CN111375677A

CN111375677A - Pipe end machine convenient to retooling

Info

Publication number: CN111375677A
Application number: CN202010355841.XA
Authority: CN
Inventors: 张彦春; 焦阳; 李笑阳
Original assignee: Guangdong Hongyi Intelligent Equipment Co ltd
Current assignee: Guangdong Hongyi Intelligent Equipment Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-07-07

Abstract

The invention discloses a pipe end machine convenient for die change, which comprises a controller, a rack, a punch device, a driving assembly and a positioning device, wherein the driving assembly is used for driving the punch device to push forwards, the positioning device is used for clamping a pipe fitting, the punch device comprises a movable mounting plate and a plurality of punching heads which are elastically mounted on the mounting plate, the mounting plate is connected to the rack in a sliding mode, the sliding direction of the mounting plate is perpendicular to the punching direction of the punching heads, the positioning device is arranged at the front end of the punching direction of the punching heads, and the driving assembly drives the punching heads to move towards the positioning device; according to the pipe end machine, the mounting plate is provided with the plurality of different stamping heads, when the stamping heads need to be replaced, the stamping heads can be replaced only by moving the mounting plate through the gear rack device, and the stamping heads are used for stamping and shaping the end parts of the pipe fittings clamped on the positioning device, so that the problem that the die is time-consuming and labor-consuming in die replacement is solved, the die replacement efficiency is effectively improved, and the pipe end machine is beneficial to stamping of different pipe end shapes.

Description

Pipe end machine convenient to retooling

Technical Field

The invention relates to the field of pipe end machines, in particular to a pipe end machine convenient for die change.

Background

The existing pipe end machine generally has only one stamping head, a workpiece is clamped through a die, and the stamping head performs stamping shaping on the end parts of pipe fittings such as a copper pipe and the like. However, in the punching mode, the punching efficiency is low, only one pipe fitting can be punched at a time, if pipe ends in different shapes need to be punched, the original punching head needs to be replaced, and the required punching head is installed again, so that the operation is time-consuming and labor-consuming, the labor intensity of workers is high, the production efficiency of the pipe end machine is low, and the development of enterprises is not facilitated.

Disclosure of Invention

The invention aims to provide a pipe end machine convenient for die change so as to solve the defects in the prior art.

In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a pipe end machine convenient to retooling, includes controller, frame, drift device, is used for driving the drive assembly that the drift device pushed forward and is used for pressing from both sides the positioner of tight pipe fitting, controller, drift device, drive assembly and positioner locate respectively in the frame, drive assembly and positioner respectively with controller electric connection, the drift device is including the mounting panel and the punching press head of a plurality of elastic mounting on the mounting panel of activity, mounting panel sliding connection is in the frame and the punching press direction of the slip direction perpendicular to punching press head of mounting panel, positioner locates the front end of the punching press direction of punching press head, the drive assembly drive punching press head is removed toward positioner's direction.

As an improvement, the stamping head is elastically connected with the mounting plate through a spring, the spring is sleeved outside the stamping head, one end of the spring abuts against the rear end part of the stamping head, and the other end of the spring abuts against the back part of the mounting plate.

As an improvement, be equipped with the rack and pinion device that is used for removing the mounting panel on the mounting panel, the rack and pinion device includes rotating electrical machines, gear and adaptation and the driven rack of gear engagement, the gear is installed on rotating electrical machines's output shaft, the rack is fixed at the top of mounting panel, rotating electrical machines sliding connection is on drive assembly.

As an improvement, the top and the bottom of the mounting plate are both provided with sliding rails, and sliding chutes matched with the sliding rails are arranged at positions corresponding to the sliding rails on the rack.

As an improvement, the drive assembly includes driving motor, transmission shaft, eccentric impeller and is used for promoting the push rod of punching press head forward, driving motor passes through the belt and drives the transmission shaft rotation and with controller electric connection, eccentric impeller is eccentrically located on the transmission shaft, be equipped with the connecting block that is used for driving the push rod and moves forward on the eccentric impeller, the connecting block is articulated with the push rod.

As an improvement, a push rod guide sleeve for guiding the push rod to move is fixedly arranged on the machine frame.

As an improvement, the positioning device comprises an upper clamping die, a lower clamping die and a driving cylinder for driving the upper clamping die and the lower clamping die to be matched, the driving cylinder and the upper clamping die are in transmission connection through a connecting rod, the upper clamping die is slidably connected to the rack in a vertically movable manner, the top end of the connecting rod is hinged to the rack, the output end of the driving cylinder is hinged to the middle of the connecting rod, and the tail end of the connecting rod is hinged to the upper clamping die.

As an improvement, second sliding grooves are formed in two sides of the upper clamping die, and guide blocks matched with the second sliding grooves are arranged on the rack.

Compared with the prior art, the invention has the technical effects that: according to the pipe end machine, the mounting plate is provided with the plurality of different stamping heads, when the stamping heads need to be replaced, the stamping heads can be replaced only by moving the mounting plate through the gear rack device, and the stamping heads are used for stamping and shaping the end parts of the pipe fittings clamped on the positioning device, so that the problem that the die is time-consuming and labor-consuming is solved, the operation is simple, the use is convenient, the die replacement efficiency is effectively improved, and the pipe end machine is beneficial to stamping of different pipe end shapes.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic view of the internal structure of another aspect of the present invention.

In the figure: the punching machine comprises a frame 1, a punching head device 2, a driving assembly 3, a positioning device 4, a gear and rack device 5, a sliding chute 10, a guide block 12, a mounting plate 20, a punching head 21, a spring 22, a driving motor 30, a transmission shaft 31, an eccentric pushing wheel 32, a pushing rod guide sleeve 33, a first transmission wheel 34, a second transmission wheel 35, a belt 36, a pushing rod 37, an upper clamping die 40, a lower clamping die 41, a driving cylinder 42, a connecting rod 43, a rotating motor 50, a gear 51, a rack 52, a sliding rail 200, a connecting block 320 and a second sliding chute 400.

Detailed Description

The present invention is described in further detail below with reference to the attached drawing figures.

As shown in fig. 1, a pipe end machine convenient for die change comprises a controller, a frame 1, a punch device 2, a driving assembly 3 for driving the punch device 2 to push forwards, and a positioning device 4 for clamping a pipe, wherein the controller, the punch device 2, the driving assembly 3 and the positioning device 4 are respectively arranged on the frame 1, and the driving assembly 3 and the positioning device 4 are respectively electrically connected with the controller.

As shown in fig. 2 and 3, the punch device 2 includes a movable mounting plate 20 and a plurality of punch heads 21 elastically mounted on the mounting plate 20, in this embodiment, the number of the punch heads 21 is six, and the punch heads 21 are arranged in parallel along the length direction of the mounting plate 20, and the number of the punch heads 21 may be the same or different, but should not be limited thereto, and the number of the punch heads 21 may be set according to actual requirements. The mounting plate 20 is slidably connected to the frame 1, and the sliding direction of the mounting plate 20 is perpendicular to the stamping direction of the stamping head 21, in other words, the mounting plate 20 is movably adjustable in position along the Y-axis direction, and the stamping head 21 performs stamping back and forth along the X-axis direction, so as to achieve fast and convenient die changing and improve the die changing efficiency. Specifically, the mounting plate 20 is provided with a rack and pinion device 5 for moving the mounting plate 20 to realize the movable adjustment of the position of the mounting plate 20, the rack and pinion device 5 comprises a rotating motor 50, a gear 51 and a rack 52 adapted to be in meshing transmission with the gear 51, the gear 51 is mounted on an output shaft of the rotating motor 50, the rack 52 is fixed on the top of the mounting plate 20, and the rotating motor 50 is slidably connected to the driving assembly 3 and electrically connected with a controller, so as to accurately control the position of the replaced stamping head 21. Of course, other driving means may be used to control the movement of the mounting plate 20, such as an air cylinder or an oil cylinder, and should not be limited thereto. The positioning device 4 is arranged at the front end of the punching head 21 in the punching direction, and the driving assembly 3 drives the punching head 21 to move towards the positioning device 4. Specifically, the stamping head 21 is elastically connected with the mounting plate 20 through a spring 22, the spring 22 is sleeved on the stamping head 21, one end of the spring 22 abuts on the rear end part of the stamping head 21, the other end of the spring 22 abuts on the back part of the mounting plate 20, and the stamping head 21 is reset through the spring 22 so as to realize the back and forth movement of the stamping head 21. In addition, the top and the bottom of mounting panel 20 all are equipped with slide rail 200, the position department that corresponds slide rail 200 on the frame 1 is equipped with the gliding spout 10 of adaptation slide rail 200, through the cooperation of slide rail 200 and spout 10, reaches the purpose of retooling. The mounting plate 20 can be additionally provided with an air cylinder or an oil cylinder or other pushing devices for pushing the mounting plate 20, automatic die change is realized through a controller, the labor intensity during die change is further reduced, and the automatic production efficiency is improved.

Further, the driving assembly 3 includes a driving motor 30, a transmission shaft 31, an eccentric pushing wheel 32, a pushing rod 37 for pushing the punching head 21 forward, and a pushing rod guide sleeve 33 for guiding the pushing rod 37 to move, the pushing rod guide sleeve 33 is welded and fixed on the frame 1, and the pushing rod 37 can only move forward along the pushing rod guide sleeve 33, so as to ensure the punching quality. The driving motor 30 drives the transmission shaft 31 to rotate through the belt 36 and is electrically connected with the controller, the output end of the driving motor 30 is provided with a first transmission wheel 34, one end of the transmission shaft 31 is provided with a second transmission wheel 35, the first transmission wheel 34 and the second transmission wheel 35 are transmitted through the belt 36, and the rotating motor 50 is fixed on the push rod guide sleeve 33 in a screw connection mode. The eccentric pushing wheel 32 is eccentrically arranged on the transmission shaft 31 and in the machine frame 1, a connecting block 320 for driving the push rod 37 to move forward is arranged on the eccentric pushing wheel 32, and the connecting block 320 is hinged with the push rod 37. When the eccentric pushing wheel 32 is driven by the transmission shaft 31 to rotate, the eccentric arrangement of the eccentric pushing wheel enables the connecting block 320 to swing back and forth along the X axis, so as to drive the push rod 37 to move back and forth along the X axis, thereby realizing the end punching of the pipe fitting.

Further, the positioning device 4 comprises an upper clamping die 40, a lower clamping die 41 and a driving cylinder 42 for driving the upper clamping die 40 and the lower clamping die 41 to be matched, and by matching the upper clamping die 40 and the lower clamping die 41, the pipe fitting can be stably fixed, and the stamping head 21 can be aligned to the end of the pipe fitting for stamping and shaping. The driving cylinder 42 is in transmission connection with the upper clamping die 40 through a connecting rod 43, the upper clamping die 40 is slidably connected to the frame 1 in a vertically movable manner, and the other end of the driving cylinder 42 is also hinged to the frame 1. The top end of the connecting rod 43 is hinged with the frame 1, the output end of the driving cylinder 42 is hinged with the middle part of the connecting rod 43, and the tail end of the connecting rod 43 is hinged with the upper clamping die 40. This is provided for the purpose of effectively utilizing the connecting rod 43 to produce a dead point, and preventing the upper clamp die 40 from being released due to insufficient force of the driving cylinder 42.

Further, two sides of the upper clamping die 40 are provided with second sliding grooves 400, the rack 1 is provided with a guide block 12 matched with the second sliding grooves 400, the second sliding grooves 400 are arranged along the height of the upper clamping die 40, and the upper clamping die 40 can move vertically through the matching of the second sliding grooves 400 and the guide block 12, so that the situation that the pipe fitting is not clamped due to deviation cannot occur.

In conclusion, according to the pipe end machine provided by the invention, the mounting plate 20 is provided with the plurality of different stamping heads 21, when the stamping heads 21 need to be replaced, the stamping heads 21 can be replaced only by moving the mounting plate 20 through the rack and pinion device 5, and the stamping heads 21 are used for stamping and shaping the end parts of the pipe fittings clamped on the positioning device 4, so that the problems that the die replacement is time-consuming and labor-consuming are solved, the operation is simple, the use is convenient, the die replacement efficiency is effectively improved, and the stamping of different pipe fittings is facilitated.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a pipe end machine convenient to retooling which characterized in that: comprises a controller, a frame (1), a punch device (2), a driving component (3) for driving the punch device (2) to push forwards and a positioning device (4) for clamping a pipe fitting, the controller, the punch head device (2), the driving assembly (3) and the positioning device (4) are respectively arranged on the frame (1), the driving component (3) and the positioning device (4) are respectively electrically connected with the controller, the punch device (2) comprises a movable mounting plate (20) and a plurality of punching heads (21) which are elastically mounted on the mounting plate (20), the mounting plate (20) is connected on the frame (1) in a sliding way, the sliding direction of the mounting plate (20) is vertical to the stamping direction of the stamping head (21), the positioning device (4) is arranged at the front end of the stamping head (21) in the stamping direction, the driving component (3) drives the punching head (21) to move towards the direction of the positioning device (4).

2. The pipe end machine facilitating die change of claim 1, wherein: the stamping head (21) is elastically connected with the mounting plate (20) through a spring (22), the spring (22) is sleeved on the stamping head (21), one end of the spring (22) abuts against the rear end portion of the stamping head (21), and the other end of the spring (22) abuts against the back portion of the mounting plate (20).

3. The pipe end machine facilitating die change of claim 2, wherein: be equipped with on mounting panel (20) and be used for moving rack and pinion device (5) of mounting panel (20), rack and pinion device (5) include rotating electrical machines (50), gear (51) and adaptation and gear (51) meshing driven rack (52), gear (51) are installed on the output shaft of rotating electrical machines (50), the top at mounting panel (20) is fixed in rack (52), rotating electrical machines (50) sliding joint is on drive assembly (3).

4. The pipe end machine facilitating die change of claim 3, wherein: the top and the bottom of mounting panel (20) all are equipped with slide rail (200), the position department that corresponds slide rail (200) on frame (1) is equipped with gliding spout (10) of adaptation slide rail (200).

5. The pipe end machine facilitating die change of claim 1, wherein: drive assembly (3) include driving motor (30), transmission shaft (31), eccentric impeller (32) and be used for promoting push rod (37) of punching press head (21) forward, driving motor (30) drive transmission shaft (31) through belt (36) and rotate and with controller electric connection, eccentric impeller (32) are eccentric to be located on transmission shaft (31), be equipped with on eccentric impeller (32) and be used for driving connecting block (320) that push rod (37) moved forward, connecting block (320) are articulated with push rod (37).

6. The pipe end machine facilitating die change of claim 5, wherein: and a push rod guide sleeve (33) for guiding the push rod (37) to move is fixedly arranged on the rack (1).

7. The pipe end machine facilitating die change of claim 1, wherein: the positioning device (4) comprises an upper clamping die (40), a lower clamping die (41) and a driving cylinder (42) for driving the upper clamping die (40) and the lower clamping die (41) to be matched, the driving cylinder (42) and the upper clamping die (40) are in transmission connection through a connecting rod (43), the upper clamping die (40) is slidably connected to the rack (1) in a vertically movable mode, the top end of the connecting rod (43) is hinged to the rack (1), the output end of the driving cylinder (42) is hinged to the middle of the connecting rod (43), and the tail end of the connecting rod (43) is hinged to the upper clamping die (40).

8. The pipe end machine facilitating die change of claim 7, wherein: and second sliding grooves (400) are formed in two sides of the upper clamping die (40), and guide blocks (12) matched with the second sliding grooves (400) are arranged on the rack (1).