Copper pipe reducing machining equipment

Abstract

The invention discloses copper pipe diameter reducing machining equipment, relates to the field of copper pipe machining, aims to solve the problem that non-machining sections with different lengths cannot be machined on the same copper pipe conveniently in the prior art, and adopts the technical scheme that the copper pipe diameter reducing machining equipment comprises a diameter reducing die composed of a plurality of composition units, and opening and closing mechanisms with power sources are connected to the composition units; and the drawing mechanism is driven by the lead screw system. Opening and closing of the reducing die can be controlled through the power source, the reducing die is closed for machining in the machining section, the reducing die is opened in the non-machining section to enable the non-machining section to pass through, the drawing mechanism can accurately control the position and length of each non-machining section through control of the lead screw system, and therefore the machining precision of the pipe is guaranteed. According to the device, non-machining sections with different lengths can be arranged on the same pipe, operation is convenient and fast, and the machining precision is high.

Description

Technical Field

[0001] The invention relates to the technical field of copper tube processing, in particular to a copper tube diameter reducing processing device. Background Art

[0002] During the copper tube processing, a large number of processed sections and non-processed sections will be staggered on a copper tube due to the need for installation and fixation. The existing copper tube processing equipment can only process non-processed sections of equal length, that is, the lengths of the non-processed sections on the copper tube are the same. However, for some copper tube usage scenarios with special requirements, such as different thicknesses of the copper tube fixing plates, non-processed sections of different lengths will be required on the copper tube and the positions and respective lengths of the non-processed sections may be different for different batches of copper tubes. The existing processing equipment cannot meet the diverse processing needs. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide a copper tube diameter reduction processing equipment, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above-mentioned purpose, the present invention discloses a copper tube diameter reduction processing equipment, which adopts the technical scheme of comprising a base frame, on which a diameter reduction die and a drawing mechanism are installed, the diameter reduction die comprises a plurality of component units, and the plurality of component units can be combined to form a complete diameter reduction die, the component units are connected with an opening and closing mechanism, and the opening and closing mechanism has a power source; the drawing mechanism comprises a clamping mechanism and a moving mechanism, and the moving mechanism adopts a screw system; the clamping mechanism is opposite to the diameter reduction die, and the clamping axis of the clamping mechanism and the axis of the diameter reduction die are on the same vertical plane, and the moving direction of the screw system is the same as the axis direction of the diameter reduction die; and a control system is also included, and the power sources of the drawing mechanism and the opening and closing mechanism are electrically connected to the control system. The copper tube can be moved by the drawing mechanism, and the opening and closing of the reducing die can be controlled by the reducing die with an opening and closing mechanism. In the designed processing section, the reducing die is closed for processing, and in the designed non-processing section, the reducing die is separated to move the tube. The drawing mechanism controls the displacement through the screw system, and can achieve precise control of the position and length of the processing section and the non-processing section.

[0005] As a preferred technical solution of the present invention, a support is provided on the base frame, a mounting hole is provided on the support, and the diameter reduction die is installed on the mounting hole.

[0006] As a preferred technical solution of the present invention, the component unit of the shrinking die includes a fixed unit and a movable unit, the fixed unit is installed on the mounting hole, the movable unit is connected to the opening and closing mechanism, the opening and closing mechanism includes a first frame and an opening and closing cylinder, the bottom frame is provided with a slide groove, the slide groove slides in contact with the opening and closing slider, and the opening and closing slider is provided with a second frame; the component unit is connected to the first frame, and the second frame is connected to the first frame; the cylinder rod of the opening and closing cylinder is connected to the second frame; the opening and closing cylinder is connected to the first air path control system and then connected to the air source, and the first air path control system is electrically connected to the control system. The opening and closing cylinder can drive the first frame and the second frame to move, thereby driving the component unit to move.

[0007] As a preferred technical solution of the present invention, the shrinking die includes a first component unit and a second component unit, a slideway is provided on the base frame, the support is slidably connected in the slideway, a directional rod is installed in the slideway, a directional hole is provided on the support, the directional rod is in sliding contact in the directional hole, a directional groove is provided on the side of the directional rod, a sliding block is provided in the directional groove, and there are two sliding blocks, which are respectively connected to the first component unit and the second component unit; the base frame is also provided with a pillar, a diamond block is hinged on the pillar, a waist-shaped hole is provided on the diamond block, a pull rod is in sliding contact in the waist-shaped hole, and a mounting plate is provided on the pillar, an opening and closing cylinder is installed on the mounting plate, and the cylinder rod of the opening and closing cylinder is connected to the pull rod; the first component unit and the second component unit are both provided with a second connecting block, a guide groove is provided on the opposite surface of the two second connecting blocks, a guide slider is in sliding contact in the guide groove, and the two ends of the diamond block are hinged to the two guide sliders; the opening and closing cylinder is connected to the first air path control system and then connected to the air source, and the first air path control system is electrically connected to the control system. The diamond block is driven to rotate by the opening and closing cylinder, thereby driving the first component unit and the second component unit to move in opposite directions or towards each other, thereby controlling the opening and closing of the diameter reduction die.

[0008] As a preferred technical solution of the present invention, the component unit is provided with a connecting plate, and the connecting plate is installed on the support or the opening and closing mechanism. The shrinking dies of different sizes can be replaced according to the process requirements.

[0009] As a preferred technical solution of the present invention, the clamping mechanism is a cylinder clamp, the cylinder clamp is connected to the pulling slide of the screw system, the cylinder clamp is connected to the second air circuit control system and then connected to the air source, and the second air circuit control system is electrically connected to the control system.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention can control the precise movement of the copper tube by driving the clamping mechanism through the screw system; the reducing die is composed of a plurality of component units, and an opening and closing mechanism is installed on the component unit; the opening and closing of the reducing die can be controlled by a power source; the reducing die is closed in the processing section for processing; the reducing die is opened in the non-processing section to allow the non-processing section to pass; the drawing mechanism can precisely control the position and length of each non-processing section through the screw system, thereby ensuring the processing accuracy of the tube; the device can realize non-processing sections of different lengths on the same tube, and is easy to operate and has high processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The first embodiment of the present invention is a schematic structural diagram of Figure 1 ; Figure 2 The first embodiment of the present invention is a schematic structural diagram of Figure 2 ; Figure 3 This is a schematic structural diagram of a second embodiment of the present invention.

[0012] In the figure: 1. base frame; 101. slide groove; 2. support; 3. reduction die; 301. upper die; 302. lower die; 303. connecting plate; 304. first connecting block; 305. second connecting block; 4. drawing motor; 5. cylinder clamp; 6. seat plate; 7. drawing slide block; 8. screw rod; 9. guide rod; 10. opening and closing mechanism; 11. active synchronous wheel; 12. driven synchronous wheel; 13. synchronous belt; 14. first frame; 15. second frame; 16. opening and closing cylinder; 17. directional rod; 18. diamond block; 19. support; 20. mounting plate. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example 1

[0014] like Figure 1 to Figure 2As shown, the present invention discloses a copper tube diameter reducing processing equipment, which adopts the technical scheme of comprising a U-shaped base frame 1, a guide rod 9 of a lead screw system is arranged between two vertical plates of the base frame 1 and a lead screw 8 is hingedly connected, a drawing slider 7 is slidably contacted on the guide rod 9, the two drawing sliders 7 are connected through a seat plate 6, a nut is connected to the shaft below the seat plate 6, the nut is meshed with the lead screw 8, a cylinder clamp 5 is arranged on the seat plate 6, a drawing motor 4 with a reducer is arranged on the base frame 1, a driving synchronous wheel 11 is arranged on the output shaft of the reducer, a driven synchronous wheel 12 is arranged on the lead screw 8, and a synchronous belt 13 is set between the driving synchronous wheel 11 and the driven synchronous wheel 12.

[0015] The top surface of the bottom frame 1 is fixedly connected with a support 2, and a mounting hole with an internal thread is provided on the support 2, and a reduction die 3 is also included. The reduction die 3 includes an upper die 301 and a lower die 302, both of which are provided with a connecting plate 303, and a bolt hole is provided on the connecting plate 303. The upper die 301 and the lower die 302 relatively form a complete reduction die 3. There is a connecting bolt in the bolt hole of the connecting plate 303 of the lower die 302, and the connecting bolt is engaged in the mounting hole of the support 2.

[0016] It also includes an opening and closing mechanism 10, which includes a first frame 14. The first frame 14 is a square frame. The reducing die 3 is in the square frame. The first frame 14 is provided with a threaded hole, and the connecting bolt passes through the bolt hole of the upper die 301 and engages in the threaded hole of the first frame 14. A second frame 15 is connected below the first frame 14. A longitudinal slide 101 is provided on the base frame 1. An opening and closing slider is slidably connected in the longitudinal slide 101. The opening and closing slider has a threaded hole. The second frame 15 is connected to the opening and closing slider by passing the connecting bolt through the bolt hole on the second frame 15 and engaging in the threaded hole of the opening and closing slider. An opening and closing cylinder 16 is also installed on the base frame 1, and the cylinder rod of the opening and closing cylinder 16 is connected to the second frame 15.

[0017] It also includes a PLC controller, the cylinder clamp 5 is connected to the first air circuit control system, the opening and closing cylinder 16 is connected to the second air circuit control system, the first air circuit control system and the second air circuit control system are both connected to the air source and electrically connected to the PLC controller, the pulling motor 4 is electrically connected to the motor frequency converter, the motor frequency converter is electrically connected to the PLC controller, and the PLC controller is also electrically connected to the host computer.

[0018] The working principle of the present invention is as follows: the staff inputs the lengths of the processing section and the non-processing section on the host computer according to the design parameters of the product to be processed, selects a reducing die 3 of a suitable size according to the product diameter, installs the connecting plate 303 of the lower die 302 on the support 2, and installs the connecting plate 303 of the upper die 301 on the first frame 14, operates the host computer to make the opening and closing cylinder 16 control the first frame 14 and the second frame 15 to drive the upper die 301 to move upward, and after the tube blank is loaded into the reducing die 3, operates the host computer to buckle the upper die 301 downward to combine it with the upper die 301 to form a complete reducing die 3.

[0019] Start the processing program, PLC controls the cylinder clamp 5 to clamp the tube blank, start the drawing motor 4 to drive the screw 8 to rotate, and the cylinder clamp 5 pulls the tube to process the processing section. When the maximum stroke of the screw system is reached, the cylinder clamp 5 releases the tube, the drawing motor 4 reverses, and the drawing slider 7 is reset, and the cylinder clamp 5 clamps the tube again for drawing. This is repeated. When the set parameters of the processing section are reached, the drawing motor 4 pauses, the PLC controller controls the opening and closing cylinder 16 to shorten, so that the upper mold 301 moves up, and the drawing motor 4 runs to keep the tube moving. When it moves to the set end point of the non-processing section, the drawing motor 4 pauses, the PLC controller controls the opening and closing cylinder 16 to extend, so that the upper mold 301 moves down and closes with the lower mold 302, and the drawing motor 4 runs to keep the tube moving. This cycle is repeated until the entire tube is processed. Example 2

[0020] like Figure 3 As shown, the difference between this embodiment and embodiment 1 is that a longitudinal slideway is provided on the base frame 1, the support 2 is slidably connected in the slideway, a longitudinal directional rod 17 is installed in the slideway, a longitudinal directional hole is provided on the support 2, the directional rod 17 is slidably contacted in the directional hole, a directional groove is provided on the side of the directional rod 17, a sliding block is provided in the directional groove, there are two sliding blocks, the upper mold 30 and the lower mold 302 are both provided with a first connecting block 304, and the two first connecting blocks 304 are respectively connected to the two sliding blocks; in order to drive the opening and closing of the upper mold 301 and the lower mold 302, a support 19 is also provided on the base frame 1, and the support 19 is provided with a support 19. A rhombus block 18 is hingedly connected, and a waist-shaped hole is opened on the rhombus block 18, and a pull rod is in sliding contact with the waist-shaped hole. There is also a mounting plate 20 on the pillar 19, and an opening and closing cylinder 16 is installed on the mounting plate 20. The cylinder rod of the opening and closing cylinder 16 is connected to the pull rod. The rhombus block 18 can be driven to rotate by driving the pull rod to move by the opening and closing cylinder 16. A second connecting block 305 is provided on the upper mold 301 and the lower mold 302. A horizontal guide groove perpendicular to the axial direction of the reducing mold 3 is opened on the opposite surfaces of the two second connecting blocks 305. A guide slider is in sliding contact with the guide groove. The two ends of the rhombus block 18 are hinged to the two guide sliders.

[0021] When it is necessary to control the opening of the reducing die 3, the PLC controller controls the second air circuit control system to extend the opening and closing cylinder 16, push the diamond block 18 to rotate clockwise, so that the upper die 301 moves up along the directional groove on the side of the directional rod 17, and the lower die 302 and the support 2 move downward, and the support 2 enters the slide, and the directional rod 17 constrains the direction of the sliding of the support 2.

[0022] When it is necessary to control the shrinking die 3 to close, the PLC controller controls the second air circuit control system to shorten the opening and closing cylinder 16, pull the diamond block 18 to rotate counterclockwise, so that the upper die 301 moves downward along the directional groove on the side of the directional rod 17, and the lower die 302 and the support 2 move upward, and the shrinking die 3 closes.

[0023] The circuits and mechanical connections involved in the present invention are conventional means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, which are common knowledge.

[0024] Components not described in detail herein are prior art.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A copper tube diameter reduction processing equipment, characterized in that: The invention comprises a base frame (1), on which a reducing die (3) and a drawing mechanism are mounted, wherein the reducing die (3) comprises a plurality of component units, and the plurality of component units can be combined to form a complete reducing die (3), wherein the component units are connected to an opening and closing mechanism (10), and the opening and closing mechanism (10) has a power source; the drawing mechanism comprises a clamping mechanism and a moving mechanism, and the moving mechanism adopts a screw system; the clamping mechanism and the reducing die (3) are opposite, and the clamping axis of the clamping mechanism and the axis of the reducing die (3) are on the same vertical plane, and the moving direction of the screw system is the same as the axis direction of the reducing die (3); and the invention also comprises a control system, and the power sources of the drawing mechanism and the opening and closing mechanism (10) are electrically connected to the control system.

2. The copper tube diameter reducing equipment according to claim 1, characterized in that: The base frame (1) has a support (2), the support (2) is provided with a mounting hole, and the reducing die (3) is mounted on the mounting hole.

3. The copper tube diameter reducing equipment according to claim 1 or 2, characterized in that: The component units of the shrinking die (3) include a fixed unit and a movable unit, the fixed unit is mounted on the mounting hole, and the movable unit is connected to the opening and closing mechanism (10); the opening and closing mechanism (10) includes a first frame (14) and an opening and closing cylinder (16); a slide groove (101) is provided on the base frame (1), an opening and closing slider slides in the slide groove (101), and a second frame (15) is mounted on the opening and closing slider; the component units are connected to the first frame (14), and the second frame (15) is connected to the first frame (14); a cylinder rod of the opening and closing cylinder (16) is connected to the second frame (15); the opening and closing cylinder (16) is connected to a first air path control system and then to an air source, and the first air path control system is electrically connected to the control system.

4. The copper tube diameter reducing processing equipment according to claim 1 or 2, characterized in that: The reducing die (3) comprises a first component unit and a second component unit, a slideway is provided on the base frame (1), the support (2) is slidably connected in the slideway, a directional rod (17) is installed in the slideway, a directional hole is provided on the support (2), the directional rod (17) is slidably contacted in the directional hole, a directional groove is provided on the side of the directional rod (17), a sliding block is provided in the directional groove, and there are two sliding blocks, which are respectively connected to the first component unit and the second component unit; the base frame (1) is also provided with a pillar (19), a rhombus block (18) is hinged on the pillar (19), and the rhombus block (18) is provided with A waist-shaped hole, a pull rod is in sliding contact in the waist-shaped hole, and a mounting plate (20) is provided on the pillar (19), an opening and closing cylinder (16) is installed on the mounting plate (20), and the cylinder rod of the opening and closing cylinder (16) is connected to the pull rod; the first component unit and the second component unit are both provided with a second connecting block (305), and guide grooves are provided on the opposite surfaces of the two second connecting blocks (305), and guide slide blocks are in sliding contact in the guide grooves, and the two ends of the diamond block (18) are hinged with the two guide slide blocks; the opening and closing cylinder (16) is connected to the first air path control system and then connected to the air source, and the first air path control system is electrically connected to the control system.

5. The copper tube diameter reducing processing equipment according to claim 2, characterized in that: The component unit has a connecting plate (303), and the connecting plate (303) is mounted on the support (2) or the opening and closing mechanism (10).

6. The copper tube diameter reducing processing equipment according to claim 1, characterized in that: The clamping mechanism is a cylinder clamp (5), the cylinder clamp (5) is connected to a drawing slide block (7) of the screw system, the cylinder clamp (5) is connected to a second air path control system and then to an air source, and the second air path control system is electrically connected to the control system.

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