Special machine tool for finish machining of double-station long tube trailer gas cylinder opening threads

Abstract

The utility model provides a double-station machine tool special for finish machining of threads of a gas cylinder opening of a long tube trailer, and belongs to the technical field of machining machine tools. The problems that after an existing machining device completes one-time machining, a tool needs to be replaced again for machining, the machining steps are complex, time and labor are wasted, and the machining efficiency is low are solved. The gas cylinder machining device comprises two sets of machining units, each machining unit comprises a cutter head assembly and a feeding frame, and the cutter head assemblies are used for machining gas cylinders placed on the feeding frames; the cutter head assemblies of the two sets of machining units are oppositely arranged in a staggered mode, the cutter axes of the two sets of machining units are parallel to each other, the machine tool special for machining further comprises a transferring device, and the transferring device is used for transferring the gas cylinders from one set of machining units to the other set of machining units. The utility model has the advantages that two processing units simultaneously process and produce, so that the production takt of one gas cylinder is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of processing machine tools and relates to a double-station special machine tool for finishing the threads of the mouth of a long-tube trailer gas cylinder. Background Art

[0002] The two heads of the existing long-tube trailer natural gas steel cylinders need to complete the processes of fine turning of the outer circle and flat end face, fine turning of the inner hole and countersink, fine turning of chamfering, fine milling of the end face, fine boring of countersinks, etc. However, this type of gas cylinder has a large volume, a bulky size, a long axial length, and a heavy weight. It is not very convenient to move during processing. After the existing processing equipment completes a processing such as outer circle turning, it is necessary to change the tool again for milling the end face processing, and then change the tool again for boring and countersinking processing. The processing steps are complicated, time-consuming and labor-intensive, and the processing efficiency is low. Utility Model Content

[0003] The utility model aims to solve the above problems existing in the existing gas cylinder processing process and proposes a special machine tool which can automatically complete multiple processing steps after one clamping.

[0004] The purpose of the utility model can be achieved through the following technical solutions:

[0005] A double-station long-tube trailer gas cylinder mouth thread finishing machine tool, comprising two sets of processing units, the processing units comprising a cutter disc assembly and a feeding rack, the cutter disc assembly is used to process the gas cylinder placed on the feeding rack;

[0006] The tool disc assembly includes a fixed seat, a movable seat 1, a movable seat 2 and a tool. The movable seat 1 is horizontally slidably arranged on the fixed seat along the radial direction of the gas cylinder. There are three groups of movable seats 2. The three groups of movable seats 2 are horizontally spaced along the radial direction of the gas cylinder. Each movable seat 2 is horizontally slidably arranged on the movable seat 1 along the axial direction of the gas cylinder; the tool includes a first turning tool, a second turning tool, a boring tool and a milling cutter. The boring tool and the milling cutter are rotatably arranged on the first group of movable seats 2. The first turning tool and the second turning tool are rotatably arranged on the second and third groups of movable seats 2 respectively. The first group of movable seats 2 is also provided with a driving member 1 for driving the boring tool and the milling cutter to rotate. The second and second groups of movable seats 2 are both provided with driving members 2 for driving the first turning tool and the second turning tool to rotate respectively.

[0007] The cutter disc assemblies of the two processing units are arranged relative to each other in an offset manner, and the tool axes of the two processing units are parallel to each other. The special processing machine tool also includes a transfer device, which is used to transfer the gas cylinder from one processing unit to the other processing unit.

[0008] In the above-mentioned double-station long-tube trailer gas cylinder mouth thread finishing special machine tool, the special processing machine tool also includes an intermediate transition unit, which is located between the two groups of processing units, and the intermediate transition unit includes a plurality of support components arranged at intervals along the axial direction of the gas cylinder; the above-mentioned transfer device has two groups, the first group of transfer devices is used to transfer the gas cylinder on the first group of processing units to the intermediate transition unit, and the second group of transfer devices is used to transfer the gas cylinder on the intermediate transition unit to the second group of processing units.

[0009] In the above-mentioned double-station long-tube trailer gas cylinder mouth thread finishing special machine tool, a loading platform is provided on the feeding rack, and the workpiece is placed on the loading platform. The loading platform includes a mounting plate and a plurality of conveying rollers rotatably arranged on the mounting plate. The axis of the conveying roller extends horizontally along the radial direction of the gas cylinder. The plurality of conveying rollers are arranged at intervals along the axial direction of the gas cylinder. A sprocket is provided at one end of each conveying roller, and adjacent two sprockets are connected by a chain transmission. The feeding rack also includes a conveying drive component, which is connected to one of the sprockets for driving each conveying roller to rotate.

[0010] In the above-mentioned double-station long-tube trailer gas cylinder mouth thread finishing special machine tool, the transfer device includes a plurality of transfer components arranged at intervals along the axial direction of the gas cylinder, the transfer component includes a mounting seat fixed on the feeding rack, a slider arranged on the mounting seat for horizontal sliding along the radial direction of the gas cylinder, and a support block arranged on the slider for up and down sliding. The mounting seat is also provided with a translation drive member for driving the slider to translate, and the slider is also provided with a lifting drive member for driving the support block to lift and lower.

[0011] In the above-mentioned double-station long-tube trailer gas cylinder mouth thread finishing special machine tool, two sliders are provided on the mounting seat, and the two sliders are arranged horizontally and spaced apart along the radial direction of the gas cylinder. The above-mentioned translation drive member drives the two sliders to translate synchronously, and each slider is correspondingly provided with a support block.

[0012] In the above-mentioned double-station long-tube trailer gas cylinder mouth thread finishing special machine tool, the intermediate transition unit includes a plurality of support components, each support component is arranged at intervals along the axial direction of the gas cylinder, and the support component includes a support seat and a support roller rotatably arranged on the support seat, and the axis of the support roller extends horizontally along the radial direction of the gas cylinder.

[0013] In the above-mentioned double-station long-tube trailer gas cylinder mouth thread finishing special machine tool, the conveying roller and the support roller both include two conical sections and a connecting section connecting the two conical sections. The conical section is conical, and the connecting section is cylindrical. The conical section and the connecting section are concentrically arranged, and the two ends of the connecting section are respectively connected to the small ends of the two conical sections.

[0014] In the above-mentioned double-station long-tube trailer gas cylinder mouth thread finishing machine, the tool also includes a turning tool assembly, which extends into the mouth of the gas cylinder to turn the inner wall of the gas cylinder, and the turning tool assembly includes a main shaft, a crankshaft, and a connecting rod connecting the main shaft and the crankshaft. The main shaft is provided with a through hole along its axial direction, and a telescopic shaft is movably arranged in the through hole. The telescopic shaft is coaxially arranged with the main shaft, and the telescopic shaft can translate back and forth along the axial direction of the main shaft and can rotate relative to the main shaft. One end of the connecting rod is rotatably connected to the telescopic shaft, and the other end is rotatably connected to the crankshaft. A tool head is fixed at one end of the crankshaft facing the inside of the gas cylinder. The crankshaft swings around the connecting rod to change the turning radius of the tool head.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. Multiple tools such as the first turning tool, the second turning tool, the boring tool and the milling tool are set on one processing unit. When the workpiece does not move, the processing of the outer circle and flat end surface of the cylinder head, the inner hole and the countersink, the chamfering, the end surface, the boring countersink and other processes can be automatically completed, with a high degree of automation;

[0017] 2. The two processing units are set in a staggered manner. After one end of the gas cylinder is processed in the first processing unit, the gas cylinder on the first processing unit is transferred to the intermediate transition unit, and then the gas cylinder on the intermediate transition unit is transferred to the second processing unit to process the other end of the gas cylinder. This can reduce the use time of the driving, and the two processing units can process and produce at the same time, greatly improving the production rhythm of a gas cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the special processing machine tool of the utility model;

[0019] Figure 2 It is a top view of the special processing machine tool of the utility model;

[0020] Figure 3 It is a structural schematic diagram of a processing unit of the utility model;

[0021] Figure 4 It is an enlarged schematic diagram of the cutter disc assembly and the feed rack of the utility model;

[0022] Figure 5 It is an enlarged schematic diagram of the cutter head assembly of the utility model;

[0023] Figure 6 It is an enlarged schematic diagram of the transfer device of the utility model;

[0024] Figure 7 It is an enlarged schematic diagram of the support assembly of the utility model;

[0025] Figure 8 It is a cross-sectional view of the turning tool assembly of the utility model.

[0026] In the figure, 1, gas cylinder; 2, fixed seat; 3, movable seat 1; 4, movable seat 2; 5, first turning tool; 6, second turning tool; 7, boring tool; 8, milling cutter; 10, conveying roller; 11, sprocket; 12, mounting seat; 13, slider; 14, support block; 15, support seat; 16, support roller; 17, main shaft; 18, crankshaft; 19, connecting rod; 20, telescopic shaft; 21, tool head. DETAILED DESCRIPTION

[0027] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0028] like Figures 1 to 3 As shown, the utility model discloses a double-station long-tube trailer gas cylinder mouth thread finishing special machine tool, which includes two sets of processing units. The processing units include a cutter disc assembly and a feed rack. The cutter disc assembly is used to process the gas cylinder 1 placed on the feed rack.

[0029] like Figure 4 and Figure 5 As shown, the tool disc assembly includes a fixed seat 2, a movable seat 1 3, a movable seat 2 4 and a tool. The movable seat 1 3 is horizontally slidably arranged on the fixed seat 2 along the radial direction of the gas cylinder 1. There are three groups of movable seats 2 4. The three groups of movable seats 2 4 are horizontally spaced along the radial direction of the gas cylinder 1, and each movable seat 2 4 is respectively horizontally slidably arranged on the movable seat 1 3 along the axial direction of the gas cylinder 1; the tool includes a first turning tool 5, a second turning tool 6, a boring tool 7 and a milling cutter 8. The boring tool 7 and the milling cutter 8 are rotatably arranged on the first group of movable seats 2 4, the first turning tool 5 and the second turning tool 6 are respectively rotatably arranged on the second and third groups of movable seats 2 4, the first group of movable seats 2 4 is also provided with a driving member 1 for driving the boring tool 7 and the milling cutter 8 to rotate, and the second and second groups of movable seats 2 4 are both provided with driving members 2 for driving the first turning tool 5 and the second turning tool 6 to rotate.

[0030] The cutter disc assemblies of the two processing units are arranged relative to each other in an offset manner, and the tool axes of the two processing units are parallel to each other. The special processing machine tool also includes a transfer device, which is used to transfer the gas cylinder 1 from one processing unit to the other processing unit.

[0031] like Figure 2As shown, the special processing machine tool also includes an intermediate transition unit, which is located between the two groups of processing units. The intermediate transition unit includes a plurality of support assemblies arranged at intervals along the axial direction of the gas cylinder 1; there are two groups of the above-mentioned transfer devices, the first group of transfer devices is used to transfer the gas cylinder 1 on the first group of processing units to the intermediate transition unit, and the second group of transfer devices is used to transfer the gas cylinder 1 on the intermediate transition unit to the second group of processing units.

[0032] A loading platform is provided on the feeding rack, and the workpiece is placed on the loading platform. The loading platform includes a mounting plate and a plurality of conveying rollers 10 rotatably arranged on the mounting plate. The axis of the conveying roller 10 extends horizontally along the radial direction of the gas cylinder 1. The plurality of conveying rollers 10 are arranged at intervals along the axial direction of the gas cylinder 1. A sprocket 11 is provided at one end of each conveying roller 10, and two adjacent sprockets 11 are connected by a chain transmission. The feeding rack also includes a conveying drive, which is connected to one of the sprockets 11 for driving each conveying roller 10 to rotate.

[0033] like Figure 6 As shown, the transfer device includes a plurality of transfer components arranged at intervals along the axial direction of the gas cylinder 1, and the transfer component includes a mounting seat 12 fixed on the feeding frame, a slider 13 arranged on the mounting seat 12 for horizontal sliding along the radial direction of the gas cylinder 1, and a support block 14 arranged on the slider 13 for vertical sliding. The mounting seat 12 is also provided with a translation drive for driving the slider 13 to translate, and the slider 13 is also provided with a lifting drive for driving the support block 14 to move up and down. Two sliders 13 are arranged on the mounting seat 12 at intervals along the radial direction of the gas cylinder 1. The above-mentioned translation drive drives the two sliders 13 to translate synchronously, and each slider 13 is correspondingly provided with a support block 14. When a gas cylinder 1 is being processed on the processing unit, the two sliders 13 translate outward, so that one of the sliders 13 is located directly below the gas cylinder 1, and the other slider 13 is located outside the gas cylinder 1 for loading or unloading.

[0034] like Figure 7 As shown, the intermediate transition unit includes a plurality of support assemblies, each of which is arranged at intervals along the axial direction of the gas cylinder 1. The support assembly includes a support seat 15 and a support roller 16 rotatably arranged on the support seat 15, and the axis of the support roller 16 extends horizontally along the radial direction of the gas cylinder 1. The conveying roller 10 and the support roller 16 each include two conical sections and a connecting section connecting the two conical sections, the conical section is conical, the connecting section is cylindrical, the conical section and the connecting section are concentrically arranged, and the two ends of the connecting section are respectively connected to the small ends of the two conical sections.

[0035] like Figure 8As shown, the tool also includes a turning tool assembly, which extends into the bottle mouth of the gas cylinder 1 to turn the folds on the inner wall of the gas cylinder 1. The turning tool assembly includes a main shaft 17, a crankshaft 18, and a connecting rod 19 connecting the main shaft 17 and the crankshaft 18. The main shaft 17 is provided with a through hole along its axial direction, and a telescopic shaft 20 is movably arranged in the through hole. The telescopic shaft 20 is coaxially arranged with the main shaft 17, and the telescopic shaft 20 can translate back and forth along the axial direction of the main shaft 17 and can rotate relative to the main shaft 17. One end of the connecting rod 19 is rotatably connected to the telescopic shaft 20, and the other end is rotatably connected to the crankshaft 18. A cutter head 21 is fixedly arranged at one end of the crankshaft 18 facing the inside of the gas cylinder 1. The crankshaft 18 swings around the connecting rod 19 to change the turning radius of the cutter head 21.

[0036] It should be understood that in the claims and description of the utility model, all "including..." should be understood as an open-ended meaning, that is, its meaning is equivalent to "at least contains...", and should not be understood as a closed meaning, that is, its meaning should not be understood as "only includes...".

[0037] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A double-station long-tube trailer gas cylinder mouth thread finishing machine tool, comprising two sets of processing units, the processing units comprising a cutter head assembly and a feed rack, the cutter head assembly being used to process the gas cylinder (1) placed on the feed rack; The cutter head assembly comprises a fixed seat (2), a movable seat 1 (3), a movable seat 2 (4) and a cutter. The movable seat 1 (3) is horizontally slidably arranged on the fixed seat (2) along the radial direction of the gas cylinder (1). The movable seat 2 (4) comprises three groups. The three groups of movable seat 2 (4) are horizontally spaced and arranged along the radial direction of the gas cylinder (1). Each movable seat 2 (4) is horizontally slidably arranged on the movable seat 1 (3) along the axial direction of the gas cylinder (1). The cutter comprises a first turning tool (5), a second turning tool (6), a boring tool (7), a The boring cutter (7) and the milling cutter (8) are rotatably arranged on the first group of movable seats (4), the first turning tool (5) and the second turning tool (6) are rotatably arranged on the second and third groups of movable seats (4), respectively, the first group of movable seats (4) is also provided with a driving member 1 for driving the boring cutter (7) and the milling cutter (8) to rotate, and the second group and the third group of movable seats (4) are both provided with a driving member 2 for driving the first turning tool (5) and the second turning tool (6) to rotate; The cutter disc assemblies of the two processing units are arranged relative to each other in an offset manner, and the tool axes of the two processing units are parallel to each other. The special processing machine tool also includes a transfer device, which is used to transfer the gas cylinder (1) from one processing unit to the other processing unit.

2. A double-station long-tube trailer gas cylinder mouth thread finishing machine tool according to claim 1, characterized in that: The special processing machine tool also includes an intermediate transition unit, which is located between the two groups of processing units. The intermediate transition unit includes a plurality of support assemblies arranged at intervals along the axial direction of the gas cylinder (1); the above-mentioned transfer device has two groups, the first group of transfer devices is used to transfer the gas cylinder (1) on the first group of processing units to the intermediate transition unit, and the second group of transfer devices is used to transfer the gas cylinder (1) on the intermediate transition unit to the second group of processing units.

3. A double-station long-tube trailer gas cylinder mouth thread finishing machine tool according to claim 2, characterized in that: The feeding rack is provided with a loading platform, on which the workpiece is placed. The loading platform comprises a mounting plate and a plurality of conveying rollers (10) rotatably mounted on the mounting plate. The axis of the conveying roller (10) extends horizontally along the radial direction of the gas cylinder (1). The plurality of conveying rollers (10) are arranged at intervals along the axial direction of the gas cylinder (1). A sprocket (11) is provided at one end of each conveying roller (10), and two adjacent sprockets (11) are connected via a chain transmission. The feeding rack also comprises a conveying driving member, which is in transmission connection with one of the sprockets (11) and is used to drive each conveying roller (10) to rotate.

4. A double-station long-tube trailer gas cylinder mouth thread finishing machine tool according to claim 1, characterized in that: The transfer device comprises a plurality of transfer assemblies arranged at intervals along the axial direction of the gas cylinder (1), the transfer assembly comprising a mounting seat (12) fixed on a feeding frame, a slider (13) arranged on the mounting seat (12) for horizontal sliding along the radial direction of the gas cylinder (1), and a support block (14) arranged on the slider (13) for vertical sliding. The mounting seat (12) is also provided with a translation driving member for driving the slider (13) to translate, and the slider (13) is also provided with a lifting driving member for driving the support block (14) to lift.

5. A double-station long-tube trailer gas cylinder mouth thread finishing machine tool according to claim 4, characterized in that: The mounting seat (12) is provided with two sliders (13), which are arranged horizontally and spaced apart along the radial direction of the gas cylinder (1). The translation drive member drives the two sliders (13) to translate synchronously, and each slider (13) is correspondingly provided with a support block (14).

6. A double-station long-tube trailer gas cylinder mouth thread finishing machine tool according to claim 3, characterized in that: The intermediate transition unit comprises a plurality of support assemblies, each of which is arranged at intervals along the axial direction of the gas cylinder (1); the support assembly comprises a support seat (15) and a support roller (16) rotatably arranged on the support seat (15); the axis of the support roller (16) extends horizontally along the radial direction of the gas cylinder (1).

7. A double-station long-tube trailer gas cylinder mouth thread finishing machine tool according to claim 6, characterized in that: The conveying roller (10) and the supporting roller (16) both comprise two conical sections and a connecting section connecting the two conical sections. The conical sections are conical in shape, and the connecting section is cylindrical in shape. The conical sections and the connecting section are concentrically arranged, and the two ends of the connecting section are respectively connected to the small ends of the two conical sections.

8. A double-station long-tube trailer gas cylinder mouth thread finishing machine tool according to claim 1, characterized in that: The tool also includes a turning tool assembly, which extends into the mouth of the gas cylinder (1) to turn the inner wall of the gas cylinder (1). The turning tool assembly includes a main shaft (17), a crankshaft (18), and a connecting rod (19) connecting the main shaft (17) and the crankshaft (18). The main shaft (17) is provided with a through hole along its axial direction, and a telescopic shaft (20) is movably arranged in the through hole. The telescopic shaft (20) is coaxially arranged with the main shaft (17). The telescopic shaft (20) can translate back and forth along the axial direction of the main shaft (17) and can rotate relative to the main shaft (17). One end of the connecting rod (19) is rotatably connected to the telescopic shaft (20), and the other end is rotatably connected to the crankshaft (18). A tool head (21) is fixedly arranged at one end of the crankshaft (18) facing the inside of the gas cylinder (1).

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