CN219541507U

CN219541507U - Double-station feeding and discharging device of horizontal pipe expander

Info

Publication number: CN219541507U
Application number: CN202320571545.2U
Authority: CN
Inventors: 龙晓明; 丘冠军; 秦扬宣
Original assignee: Oms Machinery Co Ltd
Current assignee: Oms Machinery Co Ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-08-18
Anticipated expiration: 2033-03-21

Abstract

The utility model discloses a double-station feeding and discharging device of a horizontal pipe expander, which is characterized by comprising a frame, wherein a processing station is arranged on the frame, a first-stage feeding and discharging mechanism and a second-stage feeding and discharging mechanism are arranged on the frame, the first-stage feeding and discharging mechanism comprises a first fixture and a first travelling mechanism, the first travelling mechanism is used for driving the first fixture to move back and forth so as to enable the first fixture to move back to the processing station, the second-stage feeding and discharging mechanism comprises a second fixture and a second travelling mechanism, the second fixture is positioned above or below the first fixture, and the second travelling mechanism is used for driving the second fixture to move in a front-back direction and an up-down direction so as to enable the second fixture to move to the processing station after the first fixture exits from the processing station. The utility model adopts a duplex position feeding and discharging mode, has high working efficiency, utilizes longitudinal space and occupies small area.

Description

Double-station feeding and discharging device of horizontal pipe expander

Technical Field

The utility model relates to the technical field of tube expanding machines, in particular to a double-station feeding and discharging device of a horizontal tube expanding machine.

Background

The tube expander is one kind of tube expander for machining heat exchanger workpiece and includes mainly horizontal tube expander and vertical tube expander.

The traditional pipe expander adopts the operation method, a heat exchanger workpiece is installed at a processing station, then the heat exchanger workpiece is expanded, after the expansion is completed, the heat exchanger workpiece is disassembled, and then another heat exchanger workpiece is installed at the processing station to continue the next round of processing. The tube expander has long time consumption and low working efficiency in the process of replacing the heat exchanger workpiece.

In order to solve the above problems, the patent with publication number CN 102554058A discloses a double-station workbench of a tube expander, in which a rotary double-station feeding and discharging structure is adopted, so that double-station feeding and discharging is realized, the time for exchanging heat exchanger workpieces is greatly reduced, and the working efficiency is greatly improved.

Disclosure of Invention

In view of the above, the utility model aims to provide a double-station feeding and discharging device of a horizontal pipe expander, which is high in working efficiency and small in occupied area.

The utility model adopts the technical proposal for solving the technical problems that:

the utility model provides a unloader in duplex position of horizontal expand tube machine, its characterized in that includes the frame, have the processing station in the frame, be provided with one-level on the frame unloading mechanism and two-level on unloading mechanism, one-level on unloading mechanism includes first frock clamp and first travel mechanism, first travel mechanism is used for driving first frock clamp back and forth movement so that first frock clamp can move to the processing station backward, second on unloading mechanism includes second frock clamp and second travel mechanism, second frock clamp is located the top or the below of first frock clamp, second travel mechanism is used for driving second frock clamp is in fore-and-aft direction and upper and lower direction diaxon removal, so that first frock clamp is followed after the processing station withdraws from the second frock clamp can move to the processing station.

In a preferred scheme of the utility model, the first travelling mechanism comprises a first X-axis driver, a first bracket fixed on the frame and a first X-axis guide rail arranged on the first bracket along the front-back direction, the first fixture is slidably mounted on the first X-axis guide rail, and the output end of the first X-axis driver is in transmission connection with the first fixture to drive the first fixture to move back and forth relative to the frame.

In a preferred embodiment of the present utility model, the first tool fixture includes a first base slidably mounted on the first X-axis rail, a first Y-axis rail fixed to the first base and disposed in a left-right direction, and a workpiece mount slidably mounted on the first Y-axis rail.

In a preferred scheme of the utility model, the second travelling mechanism comprises a second bracket fixed on the frame, a Z-axis guide rail arranged on the second bracket along the up-down direction, a lifting frame slidably arranged on the Z-axis guide rail, a Z-axis driver capable of driving the lifting frame to move up and down relative to the frame, a second X-axis guide rail arranged on the lifting frame along the front-back direction, and a second X-axis driver, wherein the second fixture is slidably arranged on the second X-axis guide rail, and the output end of the second X-axis driver is in transmission connection with the second fixture to drive the second fixture to move back and forth on the lifting frame.

In a preferred embodiment of the present utility model, the second tool fixture includes a second base slidably mounted on the second X-axis rail, a second Y-axis rail fixed on the second base and disposed in a left-right direction, and a workpiece mounting seat slidably mounted on the second Y-axis rail.

In a preferred embodiment of the utility model, the front and rear parts of the workpiece mounting seat are provided with clamping members, and a clamping groove for mounting the horizontal heat exchanger workpiece is formed between the front clamping member and the rear clamping member.

In a preferred embodiment of the present utility model, the upper surface of the workpiece mounting base is provided with a T-shaped groove arranged in the front-rear direction, and a threaded fastener for connecting the workpiece mounting base with the clip is installed in the T-shaped groove.

In a preferred scheme of the utility model, the first bracket comprises a left support leg and a right support leg, the lifting frame is positioned between the left support leg and the right support leg, and the left-right width of the lifting frame and the left-right width of the second tool clamp are smaller than the distance between the left support leg and the right support leg, so that the lifting frame and the second tool clamp can move up and down between the left support leg and the right support leg.

The beneficial effects of the utility model are as follows: the utility model adopts a duplex position feeding and discharging mode, has high working efficiency, utilizes a longitudinal space to arrange a primary feeding and discharging mechanism and a secondary feeding and discharging mechanism, and has small occupied area.

Drawings

FIG. 1 is a top view of a heat exchanger work piece;

FIG. 2 is a perspective view of a horizontal expander;

FIG. 3 is a front view of the left side portion of the horizontal expander;

FIG. 4 is a schematic view of the positional relationship of the first tool holder and the second tool holder in a first state of the utility model;

FIG. 5 is a schematic view of the positional relationship of the first tool holder and the second tool holder in a second state of the utility model;

FIG. 6 is a schematic view of the positional relationship of the first tool holder and the second tool holder in a third state of the utility model;

FIG. 7 is a schematic view of the positional relationship of the first tool holder and the second tool holder in a fourth state of the utility model;

FIG. 8 is a schematic view of the structure with the lift frame removed from the frame;

FIG. 9 is an enlarged view of portion A of FIG. 8;

fig. 10 is a perspective view of a main part of the horizontal type pipe expander.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear …) in the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. Furthermore, the description of "preferred," "less preferred," and the like, herein is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "preferred", "less preferred" may include at least one such feature, either explicitly or implicitly.

Referring to fig. 1 to 10, one end of the heat exchanger workpiece 7 is a U-shaped portion 71 of copper tube, the other end is a free end 72 of copper tube, the purpose of the tube expander is to expand the free end 72 of copper tube, and the U-shaped tube can be welded at the expanded tube orifice.

Referring to fig. 2 to 10, a horizontal tube expander comprises a double-station feeding and discharging device, a tube expanding mechanism 8 and a U supporting mechanism 9. The tube expansion mechanism 8 and the U supporting mechanism 9 can both adopt the existing structure, wherein the tube expansion mechanism 8 can adopt an auxetic tube expansion mechanism 8 or a push-expansion tube expansion mechanism 8.

The double-station feeding and discharging device comprises a frame 1, wherein a processing station is arranged on the frame 1, and a primary feeding and discharging mechanism and a secondary feeding and discharging mechanism are arranged on the frame 1.

The first-stage feeding and discharging mechanism comprises a first fixture 2 and a first travelling mechanism, wherein the first travelling mechanism is used for driving the first fixture 2 to move back and forth so that the first fixture 2 can move back to a processing station.

The second-stage feeding and discharging mechanism comprises a second fixture 3 and a second travelling mechanism, the second fixture 3 is located above or below the first fixture 2, and the second travelling mechanism is used for driving the second fixture 3 to move in the front-back direction and the upper-lower direction so that the first fixture 2 can move to the processing station after exiting from the processing station through the second fixture 3.

In a preferred embodiment of the present utility model, the first travelling mechanism includes a first X-axis driver 41, a first bracket 42 fixed to the frame 1, a first X-axis guide rail 43 provided on the first bracket 42 and disposed along the front-rear direction, the first tool holder 2 is slidably mounted on the first X-axis guide rail 43, and an output end of the first X-axis driver 41 is in driving connection with the first tool holder 2 to drive the first tool holder 2 to move back and forth relative to the frame 1.

The first work fixture 2 includes a first base 21 slidably mounted on a first X-axis guide rail 43, a first Y-axis guide rail 22 fixed to the first base 21 and arranged in the left-right direction, and a work mounting seat 23 slidably mounted on the first Y-axis guide rail 22. The first X-axis driver 41 is preferably a servomotor that is connected to the first base 21 through a ball screw nut pair.

The second travelling mechanism comprises a second bracket 51 fixed on the frame 1, a Z-axis guide rail 52 arranged on the second bracket 51 along the up-down direction, a lifting frame 53 slidably arranged on the Z-axis guide rail 52, a Z-axis driver 54 capable of driving the lifting frame 53 to move up and down relative to the frame 1, a second X-axis guide rail 55 arranged on the lifting frame 53 along the front-back direction, and a second X-axis driver 56, wherein the second tool clamp 3 is slidably arranged on the second X-axis guide rail 55, and the output end of the second X-axis driver 56 is in transmission connection with the second tool clamp 3 to drive the second tool clamp 3 to move back and forth on the lifting frame 53.

The second tool fixture 3 comprises a second base 31 slidably mounted on the second X-axis guide rail 55, a second Y-axis guide rail 32 fixed on the second base 31 and arranged along the left-right direction, and a workpiece mounting seat 23 slidably mounted on the second Y-axis guide rail 32, and is designed such that the position of the workpiece on the second base 31 in the left-right direction is adjustable, and when the U-shaped part 71 on the workpiece is supported by the U-supporting mechanism 9, the second base 31 and the workpiece can be pushed to move rightward to a predetermined position to eliminate assembly errors in the left-right direction.

The second X-axis drive 56 is preferably a servomotor that is connected to the second base 31 by a ball screw nut pair. The Z-axis driver 54 is preferably a servomotor, and the servomotor is connected to the lifter 53 through a transmission mechanism such as a ball screw nut pair. The first X-axis driver 41, the second X-axis driver 56, and the Z-axis driver 54 may be powered by electric cylinders, hydraulic cylinders, or the like.

The first bracket 42 includes a left leg 421 and a right leg 422, the lifting frame 53 is located between the left leg 421 and the right leg 422, and the left-right width of the lifting frame 53 and the left-right width of the second tool holder 3 are smaller than the distance between the left leg 421 and the right leg 422, so that the lifting frame 53 and the second tool holder 3 can move up and down between the left leg 421 and the right leg 422.

The working principle of the horizontal pipe expander adopting the scheme is as follows: first, a heat exchanger workpiece 7 is mounted on the workpiece mount 23 of the first work fixture 2, and then the first X-axis driver 41 is started to move the heat exchanger workpiece 7 on the first work fixture 2 backward to the machining station.

Then, the U-shaped part 71 of the copper pipe is clamped by the U-shaped supporting mechanism 9 positioned at the left side of the heat exchanger workpiece 7 to provide a rightward supporting force for the heat exchanger workpiece 7.

Then, the pipe expanding mechanism 8 positioned on the right side of the heat exchanger workpiece 7 works, the expansion head is inserted into the pipe orifice of the copper pipe on which the work is performed, and the free end 72 of the copper pipe is subjected to pipe expanding operation.

In the process of pipe expansion, a worker or a robot installs a heat exchanger workpiece 7 on the second fixture 3, and the positional relationship between the first fixture 2 and the second fixture 3 is shown in fig. 4; after the installation is completed, the second X-axis driver 56 is started to move the heat exchanger workpiece 7 on the second work fixture 3 backward to a position directly above or directly below the first work fixture 2, and at this time, the positional relationship between the first work fixture 2 and the second work fixture 3 is as shown in fig. 5.

After the expansion of the heat exchanger workpiece 7 on the first fixture 2 is completed, the expansion head of the expansion mechanism 8 is withdrawn, then the U-shaped part 71 of the heat exchanger workpiece 7 is loosened by the U-supporting mechanism 9, the first fixture 2 moves forwards to a loading and unloading position, and the positional relationship between the first fixture 2 and the second fixture 3 is shown in fig. 6;

then, the second fixture 3 moves upwards or downwards to a processing station, at the moment, the U supporting mechanism 9 and the pipe expanding mechanism 8 work cooperatively again to expand the heat exchanger workpiece 7 on the second fixture 3, and when the pipe is expanded, a worker or a robot removes the processed heat exchanger workpiece 7 on the first fixture 2 and replaces the heat exchanger workpiece 7 which is not processed, and at the moment, the position relationship between the first fixture 2 and the second fixture 3 is shown in fig. 7;

after the expansion of the heat exchanger workpiece 7 on the second fixture 3 is completed, the second fixture 3 is moved to the initial loading and unloading position, then the first fixture 2 is moved to the processing station, and the above actions are repeated.

Compared with the prior art, the double-station feeding and discharging device has high working efficiency, utilizes the longitudinal space to arrange the primary feeding and discharging mechanism and the secondary feeding and discharging mechanism, and has small occupied area.

The workpiece mounting seats 23 on the first fixture 2 and the second fixture 3 are designed as follows: the front part and the rear part of the workpiece mounting seat 23 are respectively provided with a clamping piece 6, and clamping grooves for mounting the horizontal heat exchanger workpiece 7 are formed between the clamping pieces 6 at the front part and the clamping pieces 6 at the rear part. The upper surface of the workpiece mounting seat 23 is provided with a T-shaped groove 231 arranged along the front-rear direction, and a threaded fastener for connecting the workpiece mounting seat 23 with the clamping piece 6 is arranged in the T-shaped groove 231, wherein the threaded fastener can be a T-shaped screw, a combination of the T-shaped screw and a nut or a combination of a common screw and a nut. When the heat exchanger workpiece 7 is mounted on the workpiece mounting seat 23, the clamping pieces 6 at the front and rear of the workpiece mounting seat 23 are respectively positioned at the front side and the rear side of the heat exchanger workpiece 7, and are used for limiting the heat exchanger workpiece 7. The clamping pieces 6 are fixed in a mode of installing threaded fasteners in the T-shaped grooves 231, so that the front and rear positions of the clamping pieces 6 can be adjusted conveniently according to the front and rear width of the heat exchanger workpiece 7, and the distance between the front and rear clamping pieces 6 is matched with the width of the heat exchanger workpiece 7.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims

1. The double-station feeding and discharging device of the horizontal pipe expander is characterized by comprising a frame (1), wherein the frame (1) is provided with a processing station, the frame (1) is provided with a primary feeding and discharging mechanism and a secondary feeding and discharging mechanism,

the primary loading and unloading mechanism comprises a first fixture (2) and a first travelling mechanism, the first travelling mechanism is used for driving the first fixture (2) to move back and forth so that the first fixture (2) can move back to the processing station,

the second-stage feeding and discharging mechanism comprises a second tool clamp (3) and a second traveling mechanism, the second tool clamp (3) is located above or below the first tool clamp (2), and the second traveling mechanism is used for driving the second tool clamp (3) to move in the front-back direction and the upper-lower direction through two shafts, so that the first tool clamp (2) can be moved to the processing station after being withdrawn from the processing station.

2. The double-station feeding and discharging device of the horizontal pipe expander according to claim 1, wherein the first travelling mechanism comprises a first X-axis driver (41), a first bracket (42) fixed on the frame (1), and a first X-axis guide rail (43) arranged on the first bracket (42) and along the front-back direction, the first fixture (2) is slidably mounted on the first X-axis guide rail (43), and the output end of the first X-axis driver (41) is in transmission connection with the first fixture (2) to drive the first fixture (2) to move back and forth relative to the frame (1).

3. Double-station feeding and discharging device of horizontal tube expander according to claim 2, characterized in that the first tool clamp (2) comprises a first base (21) slidingly mounted on the first X-axis guide rail (43), a first Y-axis guide rail (22) fixed on the first base (21) and arranged along the left-right direction, and a workpiece mounting seat (23) slidingly mounted on the first Y-axis guide rail (22).

4. The double-station feeding and discharging device of the horizontal pipe expander according to claim 2, wherein the second travelling mechanism comprises a second bracket (51) fixed on the frame (1), a Z-axis guide rail (52) arranged on the second bracket (51) along the up-down direction, a lifting frame (53) slidably arranged on the Z-axis guide rail (52), a Z-axis driver (54) capable of driving the lifting frame (53) to move up and down relative to the frame (1), a second X-axis guide rail (55) arranged on the lifting frame (53) along the front-back direction, and a second X-axis driver (56), wherein an output end of the second X-axis driver (56) is in transmission connection with the second tool fixture (3) to drive the second tool fixture (3) to move back and forth on the lifting frame (53).

5. The double-station feeding and discharging device of the horizontal pipe expander according to claim 4, wherein the second tool fixture (3) comprises a second base (31) slidably mounted on the second X-axis guide rail (55), a second Y-axis guide rail (32) fixed on the second base (31) and arranged along the left-right direction, and a workpiece mounting seat (23) slidably mounted on the second Y-axis guide rail (32).

6. Double-station feeding and discharging device of horizontal tube expander according to claim 3 or 5, characterized in that the front and rear parts of the work piece mounting seat (23) are provided with clamping pieces (6), and a clamping groove for mounting horizontal heat exchanger work pieces (7) is formed between the front clamping piece (6) and the rear clamping piece (6).

7. Double-station feeding and discharging device of horizontal pipe expander according to claim 6, characterized in that the upper surface of the work piece mounting seat (23) is provided with a T-shaped groove (231) arranged along the front-rear direction, and a threaded fastener connecting the work piece mounting seat (23) with the clamping piece (6) is installed in the T-shaped groove (231).

8. The double-station feeding and discharging device of the horizontal pipe expander according to claim 4, wherein the first bracket (42) comprises a left support leg (421) and a right support leg (422), the lifting frame (53) is located between the left support leg (421) and the right support leg (422), and the left-right width of the lifting frame (53) and the left-right width of the second tool clamp (3) are smaller than the distance between the left support leg (421) and the right support leg (422), so that the lifting frame (53) and the second tool clamp (3) can move up and down between the left support leg (421) and the right support leg (422).