CN209736644U - Lathe for processing straight pipe joint - Google Patents

Abstract

The utility model discloses a lathe for processing straight-through pipe joints, which comprises a lathe body, a manipulator and a control unit. The lathe body is provided with two tooling fixtures that can drive the rotation of straight-through pipe joint processing parts, and the clamping parts of the two tooling fixtures are opposite to each other. Setting, a tool is provided at the clamping part of the two fixtures, the fixture can slide relative to the tool, the control unit controls the linear sliding of the fixture to control the distance from the fixture to the tool; the control unit controls the manipulator to move the straight through tube The two ends of the joint processing piece are respectively sent to the clamping parts of the two tooling fixtures in sequence, and the clamping parts of the two tooling fixtures respectively clamp one end of the straight pipe joint processing part. By adopting the lathe of the utility model, the two ends of the straight-through pipe joint processing parts can be processed without manually turning the processing ends of the straight-through pipe joint processing parts, thereby improving work efficiency.

Description

A lathe for processing straight pipe joints

technical field

The utility model relates to the technical field of lathe processing, in particular to a lathe for processing straight-through pipe joints.

Background technique

Pipelines are the most efficient way of transporting media. Pipelines must be connected to form pipelines. Connectors are required for pipe connection. At present, straight pipe joints and right-angle joints are common connectors in pipelines.

When processing straight pipe joints, one end of the straight pipe joint processing part needs to be fixed on the fixture, and then the tool processes the other end. Fixtures, and then process the processed parts of the straight pipe joints, so that the two ends form connection parts, so as to facilitate the connection of subsequent pipe fittings. When the existing lathe is processing straight-through pipe joints, the manipulator on the lathe grabs the straight-through pipe joints from the feeding place to the processing part of the lathe, and then fixes one end of the straight-through pipe joints to the fixture, and then the tool fixes the other end of the straight-through pipes. processing. Since most of the existing lathes only have one fixture, after one end of the straight pipe joint is processed, the two ends of the straight pipe joint need to be turned artificially. This kind of lathe cannot continuously process the two ends of the straight pipe joint, and the processing efficiency is low. .

Contents of the invention

The utility model provides a lathe for processing straight-through pipe joints. The purpose of the utility model is to solve the technical problem that the two ends of the straight-through pipe joints cannot be processed continuously and the processing efficiency is low when the prior art lathe is used to process the straight-through pipe joints.

In order to solve the problems of the technologies described above, the technical scheme of the utility model is as follows:

A lathe for processing straight-through pipe joints, including a lathe body, a manipulator and a control unit. The lathe body is provided with two tooling fixtures that can drive straight-through pipe joint processing parts to rotate, and the clamping parts of the two tooling fixtures are oppositely arranged. , the positions adjacent to the clamping parts of the two fixtures are provided with cutters, the fixtures can slide relative to the cutters, and the control unit controls the linear sliding of the fixtures to control the distance between the fixtures and the cutters; the control unit The manipulator is controlled to send the two ends of the straight-through pipe joint workpiece to the clamping parts of the two tooling fixtures in sequence, and the clamping parts of the two tooling fixtures respectively clamp one end of the straight-through pipe joint processing part.

Further, a line connecting the centers of the clamping parts of the two fixtures is a straight line.

Further, it also includes a tool supporting plate that is arranged between the clamping parts of the two tool fixtures and can slide on the lathe body, the tool supporting plate is provided with multiple groups of tools with different structures, and the control unit controls The tool pallet slides and aligns the tool with the clamping portion of the tooling fixture.

Further, two tool pallets are arranged between the clamping parts of the two tool fixtures, and the corresponding tools of each tool fixture are set on the corresponding tool pallets.

Further, the tool pallet is arranged obliquely between the clamping parts of the two fixtures to discharge waste chips.

Further, the cutter support plate is provided with a plurality of waste chip discharge grooves.

Further, the fixture includes a collet, a spindle box, a rotary cylinder and a first servo motor, the collet and the rotary cylinder are installed on the spindle box and connected through a transmission shaft, and the first servo motor is driven by a transmission structure The drive shaft turns.

Further, it also includes a crossbeam arranged directly above the fixture, and the crossbeam is provided with a transmission device for the manipulator to install the straight-through pipe joint processing part on the fixture.

Further, the transmission device includes a horizontal rack transmission device and a vertical rack transmission device arranged in the beam, the beam is provided with a slidable slide plate, and the slide plate is provided with a mounting part that can slide vertically along it , the horizontal rack gear drives the sliding plate to slide, the vertical rack gear drives the mounting part to slide, and the manipulator is arranged at the bottom of the mounting part.

Compared with the prior art, the utility model has the advantages of:

1. When the straight-through pipe joint is processed by the lathe of the present utility model, when one end of the straight-through pipe joint processing is completed, the control unit controls the manipulator to remove the through-pipe joint processing part from the tooling fixture and transfer it to another tooling The fixture processes the other end of the straight-through pipe joint processing part, so that it is not necessary to manually turn the processing end of the straight-through pipe joint processing part, thereby improving work efficiency.

2. The center line connecting the clamping parts of the two fixtures is a straight line. Using this method to set the tooling fixture, when one end of the straight pipe joint processing is completed, the distance for the manipulator to transfer the straight pipe joint processing part to another tooling fixture can be reduced, which can not only improve work efficiency, but also make the lathe The structure is more compact.

3. A slidable tool supporting plate is set between the clamping parts of the two fixtures. There are multiple sets of tools with different structures on the tool supporting plate. When the tool supporting plate slides, the tools can be aligned with the clamping part of the tooling fixture . The lathe adopting this scheme can process straight-through pipe joints of various connection structures according to market demand.

4. Two tool pallets are arranged between the clamping parts of the two fixtures, and the corresponding cutters of each fixture are set on the corresponding tool pallets. When one of the cutter pallets is damaged, it can be replaced separately, which can save the raw materials of the cutter pallets.

5. The tool supporting plate is installed obliquely between the clamping parts of the two tooling fixtures. During processing, when the waste falls to the tool supporting plate, it can fall to the waste collecting place by its own gravity.

6. The tool pallet is equipped with a plurality of waste chip discharge grooves. With the arrangement of the waste chip discharge groove, the waste chips will not fall onto the lathe body from both sides of the tool pallet when being discharged.

Description of drawings

Fig. 1 is the structural representation of the utility model lathe.

Fig. 2 is a structural schematic diagram of another viewing angle of the lathe of the present invention.

Fig. 3 is a structural schematic diagram of the utility model fixture.

Fig. 4 is a structural schematic diagram of the headstock of the utility model.

Fig. 5 is a structural schematic diagram of two tool pallets arranged between the clamping parts of the two fixtures 3 of the present invention.

Figure 6 is an enlarged view of A in Figure 1.

Fig. 7 is a first schematic diagram of the internal structure of the beam of the present invention.

Fig. 8 is a second schematic diagram of the internal structure of the beam of the utility model.

Detailed ways

Referring to Fig. 1, Fig. 2 and Fig. 6, a lathe for processing straight pipe joints includes a lathe body 1, a manipulator 2 and a control unit (not shown in the figure). The lathe body 1 is provided with two tooling fixtures 3 that can drive the straight-through pipe joint processing parts to rotate. The clamping parts of the two tooling fixtures 3 are oppositely arranged, and the positions adjacent to the clamping parts of the two tooling fixtures 3 are provided with knives. The tool is set on the lathe body 1 through the tool holder 4, the fixture 3 can slide relative to the tool, and the control unit (not shown in the figure) controls the slide of the fixture 3 to control the distance between the fixture 3 and the tool. The control unit (not shown in the figure) controls the manipulator 2 to send the two ends of the straight pipe joint processing parts to the clamping parts of the two tooling fixtures 3 in sequence, and the two tooling fixtures 3 are clamped by the clamping parts respectively. Hold one end of the straight fitting machining. A distance sensor can be arranged on the fixture 3, so as to more stably control the distance from the fixture 3 to the tool. The control unit belongs to the prior art and will not be described in detail here.

Referring to Fig. 1 and Fig. 2, when the lathe is processing straight-through pipe joints, the control unit (not shown in the figure) controls the manipulator 2 to first grab the straight-through pipe joint workpiece from the feeding place on the lathe body 1, and then controls the manipulator 2 to Send the processed piece of straight-through pipe joint to one of the fixtures 3, and fix one end of the processed piece of straight-through pipe joint with the fixture 3 here. After the processed piece of straight-through pipe joint is fixed, the control unit (not shown in the figure) ) Control the tooling fixture 3 to slide the straight-through pipe joint processing part to the side of the tool, and the tooling fixture 3 drives the straight-through pipe joint processing part to rotate, and the tool processes the other end. After one end is processed, the control unit (not shown in the figure) Control the manipulator 2 to grab the processed piece of straight-through pipe joint and send it to another fixture 3, and fix the processed end of the straight-through pipe joint to another fixture 3, and the control unit (not shown in the figure) controls the fixture 3. Slide the processed piece of straight-through pipe joint to the side of the tool, and the tooling fixture 3 drives the processed piece of straight-through pipe joint to rotate, and the unprocessed end of the processed piece of straight-through pipe joint is processed by the tool. The discharge point is sufficient, so that there is no need to manually turn the processing end of the straight-through pipe joint processing part, which improves work efficiency.

Referring to Fig. 3 and Fig. 4, the tool fixture 3 of the present utility model includes a chuck 31 (the chuck 31 can be a three-jaw hydraulic chuck or an air pressure chuck), a spindle box 32, a rotary cylinder (not shown in the figure) and a second A servo motor 33, a collet 31 and a rotary cylinder (not shown in the figure) are installed on the headstock 32 and connected through transmission shaft transmission. The structure drives the transmission shaft and the rotary cylinder (not shown in the figure) to rotate and then drives the chuck 31 to rotate. A dust-proof tube 310 can be sleeved on the chuck 31 to prevent waste from falling during the processing of straight pipe joints. into the chuck 31. The transmission structure can install a transmission wheel on the transmission shaft and realize the transmission connection between the transmission shaft and the first servo motor 33 with a belt, or the transmission connection between the transmission shaft and the first servo motor 33 can also be realized with a gear transmission structure.

With reference to Fig. 3, the sliding structure of fixture 3 comprises high-speed response motor 34 and first screw rod 35, and high-speed response motor 34 is arranged on lathe body 1 with the high-speed response motor base and is connected with the transmission of first screw rod 35, and lathe body 1 is provided with Slide rail, spindle box 32 is slidably connected with slide rail by slide block, the bottom of spindle box 32 is provided with the first screw cover 36 that passes for first screw rod 35, and first screw rod 35 passes first screw cover 36, and uses the first screw cover 36 A tailstock 37 fixes it to the lathe body 1, so that the high-speed response motor 34 drives the first screw 35 to rotate, and the headstock 32 moves on the first screw 35 through the first screw sleeve 36, and then realizes the movement on the lathe body 1 through the slider. of the mobile. The sliding structure of the fixture 3 may also be composed of devices such as linear displacement power equipment (such as air cylinders and hydraulic cylinders, etc.).

Referring to Fig. 1 and Fig. 6, the connecting line between the centers of the clamping parts of the two fixtures 3 in this embodiment is a straight line, that is, the positions of the two fixtures 3 in the lathe body 1 are respectively at the two ends of the same straight line, and the tool setting Between the clamping parts of two fixtures 3. The tooling fixture 3 arranged in this way can reduce the distance for the manipulator 2 to transfer the straight-through pipe joint processing part to another tooling fixture 3 when one end of the straight-through pipe joint processing is completed, which can not only improve work efficiency, but also The structure of the lathe can be made more compact.

Referring to Fig. 5 and Fig. 6, a slidable tool pallet 5 is provided between the clamping parts of the two fixtures 3, and a plurality of sets of cutters with different structures are arranged on the cutter pallet 5 (there are three groups of different cutters in this embodiment). tool), the tool is set on the tool pallet 5 through the tool holder 4, and when the control unit (not shown in the figure) controls the sliding of the tool pallet 5, the tool can be aligned with the clamping part of the fixture 3. The lathe adopting this scheme can process straight-through pipe joints of various connection structures according to market demand.

Referring to Fig. 5, two tool pallets 5 are arranged between the clamping parts of the two tool fixtures 3 of the present embodiment, and the corresponding cutters of each tool fixture 3 are arranged on the respective corresponding tool pallets 5, each Cutter supporting plate 5 is all equipped with slidable structure. Adopt the cutter supporting plate 5 of this structure, when one of the cutter supporting plates 5 is damaged, it can be replaced separately, which can save the raw material of the cutter supporting plate 5.

Referring to Fig. 5, the sliding structure of the tool pallet 5 includes a second servo motor 51 and a second screw rod 52, the second servo motor 51 and the second screw rod 52 are connected in transmission, and the lathe body 1 positioned on the bottom surface of the tool pallet 5 is provided with a The fixed slider and the second screw sleeve of the lathe body 1, the bottom surface of the tool supporting plate 5 is provided with a slide rail, the tool supporting plate 5 is slidably arranged on the slider through the slide rail, and the tool supporting plate 5 is provided with a second servo motor for installation Seat 53, the second servomotor 51 is located on the second servomotor mount 53, and the second screw rod 52 passes the second screw rod sleeve, and is fixed on the slide rail of cutter supporting plate 5 bottom surfaces with the second tailstock 54. When the second servo motor 51 drives the second screw 52 to rotate, the tool pallet 5 moves on the second screw sleeve through the second screw 52 , and then moves on the lathe body 1 through the slide rail. The slidable structure of the tool pallet 5 can also be composed of devices such as linear displacement power equipment (such as air cylinders and hydraulic cylinders, etc.).

Referring to Fig. 5 and Fig. 6, the tool supporting plate 5 is arranged obliquely between the clamping parts of the two fixtures 3. During processing, when waste chips fall to the tool supporting plate 5, they can fall to the waste by their own gravity. Chip collection. The tool pallet 5 is provided with a plurality of waste chip discharge grooves 55 . With the setting of the waste chip discharge groove 55, the waste chips will not drop onto the lathe body 1 from both sides of the tool pallet 5 when they are discharged.

Referring to Fig. 1, Fig. 7 and Fig. 8, the lathe body 1 of this embodiment is located directly above the jig 3 and is provided with a crossbeam 6, and the crossbeam 6 is arranged along the left and right sides of the lathe body 1 (direction as shown in Fig. 1 ) , The beam 6 is provided with a transmission device for the manipulator 2 to install the straight-through pipe joint workpiece grabbed by the manipulator 2 on the fixture 3 . The transmission device includes a line rail 61, a horizontal rack 62, a vertical rack 63, a third servo motor 64 and a fourth servo motor 65 arranged inside the crossbeam 6. The crossbeam 6 is provided with a slide plate 7 that can slide along the line rail 61. The three servo motors 64 and the fourth servo motor 65 are arranged on the slide plate 7 . The third servo motor 64 is transmission-connected with the transverse rack 62 through a gear pair, and when the third servo motor 64 works, the slide plate 7 is controlled to slide on the line rail 61 . Skateboard 7 is also provided with the mounting part 71 that is used to install vertical rack 63, and mounting part 71 is slidably arranged on slide plate 7, and manipulator 2 is located at the bottom of mounting part 71, and the 4th servomotor 65 passes through gear pair and vertical tooth. The bar 63 is connected by transmission, and when the fourth servo motor 65 works, it controls the mounting part 71 to move up and down. A distance sensor and a buffer block for preventing the excessive displacement distance of the slide plate 7 can be arranged at both ends of the crossbeam 6 . When the manipulator 2 grabs the workpiece of the straight-through pipe joint, the third servo motor 64 controls the sliding plate 7 to slide on the beam 6, and then controls the movement of the manipulator 2 on the mounting part 71. When the manipulator 2 moves to the feeding place of the lathe body 1 , the fourth servo motor 65 working hours, control the downward movement of the mounting part 71, the manipulator 2 grabs the processed piece of the straight pipe joint, after the processed piece of the straight pipe joint is grasped, the third servo motor 64 and the fourth servo motor 65 work, control The manipulator 2 moves, and the straight-through pipe joint processing part on the manipulator 2 is sent to the tooling fixture 3, and the tooling fixture 3 slides to fix one end of the straight-through pipe joint processing part, and finally the tool processes the straight-through pipe joint processing part.

The line rail 61, the horizontal rack 62, the three servo motors 64 and the slide plate 7 form a horizontal rack drive, and the vertical rack 63, the fourth servo motor 65 and the mounting part 71 form a vertical rack drive. Transmission device also can adopt other modes, as guide rail pair or leading screw pair etc., because these are all prior art, do not repeat at this.

The above is only a specific embodiment of the utility model, but the design concept of the utility model is not limited thereto, and any insubstantial modification of the utility model by using this concept should be an act of violating the protection scope of the utility model.

Claims (9)

1. A lathe for processing a straight-through pipe joint is characterized in that: the pipe joint machining tool comprises a lathe body, a manipulator and a control unit, wherein the lathe body is provided with two tool fixtures capable of driving a straight-through pipe joint machining part to rotate, clamping parts of the two tool fixtures are oppositely arranged, a cutter is arranged at a position close to the clamping parts of the two tool fixtures, the tool fixtures can slide relative to the cutter, and the control unit controls the tool fixtures to slide so as to control the distance from the tool fixtures to the cutter; the control unit controls the manipulator to convey the two ends of the straight pipe joint workpiece to the clamping parts of the two tool fixtures in sequence, and the clamping parts of the two tool fixtures clamp one end of the straight pipe joint workpiece.

2. A lathe for machining straight-through pipe joints according to claim 1, wherein: the center connecting line of the clamping parts of the two tool fixtures is a straight line.

3. A lathe for machining straight-through pipe joints according to claim 2, wherein: the lathe is characterized by further comprising a tool supporting plate which is arranged between the clamping parts of the two tool fixtures and can slide on the lathe body, a plurality of groups of tools with different structures are arranged on the tool supporting plate, the control unit controls the tool supporting plate to slide, and the tools are aligned to the clamping parts of the tool fixtures.

4. A lathe for machining straight-through pipe joints according to claim 3, wherein: two cutter supporting plates are arranged between the clamping parts of the two tool fixtures, and the cutter corresponding to each tool fixture is arranged on the corresponding cutter supporting plate.

5. A lathe for machining straight-through pipe joints according to claim 3, wherein: the tool supporting plate is obliquely arranged between the two clamping parts of the tool clamp, and scraps are discharged.

6. A lathe for machining straight-through pipe joints according to claim 3, wherein: the cutter supporting plate is provided with a plurality of scrap discharge grooves.

7. A lathe for machining a through pipe joint as claimed in any one of claims 1 to 6, wherein: the tooling fixture comprises a chuck, a spindle box, a rotary cylinder and a first servo motor, wherein the chuck and the rotary cylinder are arranged on the spindle box and are in transmission connection through a transmission shaft, and the first servo motor drives the transmission shaft to rotate through a transmission structure.

8. A lathe for machining a through pipe joint as claimed in any one of claims 2 to 6, wherein: the straight pipe joint machining device is characterized by further comprising a cross beam arranged right above the tool clamp, wherein the cross beam is provided with a transmission device for the mechanical arm to install a straight pipe joint machining piece on the tool clamp.

9. A lathe for machining straight-through pipe joints according to claim 8, wherein: the transmission device comprises a horizontal rack transmission device and a vertical rack transmission device which are arranged in the cross beam, the cross beam is provided with a slidable sliding plate, the sliding plate is provided with an installation part which can slide along the vertical direction of the sliding plate, the horizontal rack transmission device drives the sliding plate to slide, the vertical rack transmission device drives the installation part to slide, and the manipulator is arranged at the bottom of the installation part.