A valve cover type process clamp automation line

Abstract

The application discloses a valve cover type process clamp automatic production line, and relates to the technical field of intelligent equipment, which comprises a first machine tool, a second machine tool, a manipulator and a stock bin, the stock bin is provided with an inspection table on one side, the manipulator is arranged to be movable in two positions, a first position for transferring the valve cover processed by the first machine tool to the second machine tool, and a second position for transferring the valve cover processed by the second machine tool to a bracket on a trolley locked in the stock bin. The valve cover type process clamp automatic production line provided by the application is provided with a collet structure for clamping the outer diameter end face of a part, the length of the part is not fixed, a flexible center mechanism is arranged in the main shaft to assist in positioning the small end, and the first clamp is provided with a water flushing function to clean the iron filings in the clamp.

Description

Technical Field

[0001] This invention relates to the field of intelligent equipment technology, and specifically to an automated production line for valve cover process fixtures. Background Technology

[0002] Valve covers are core components inside marine motors. Due to the wide variety of valve cover products on the market and the dispersed processes, a large number of equipment are required. Therefore, at least two machine tools are usually needed for production. In actual production, because lathes rotate at high speeds, standard lathes on the market are used to process products. As a result, the spindle side is designed with a mixed oil and gas fixture, with hoses and air pipes connected inside. This leads to severe abnormal noise and a short service life. Summary of the Invention

[0003] The purpose of this invention is to provide an automated production line for valve cover process fixtures to solve the above-mentioned problems.

[0004] To achieve the above objectives, the present invention provides the following technical solution: an automated production line for valve cover process fixtures, comprising a first machine tool and a second machine tool arranged at intervals, a robot arm and a hopper, wherein a sampling inspection station is provided on one side of the hopper;

[0005] The robotic arm is mounted for the following two workstation activity settings:

[0006] At the first workstation, the valve cover that has been processed by the first machine tool is transferred to the second machine tool for further processing.

[0007] At the second workstation, the valve cover that has been processed by the second machine tool is transferred to the bracket on the handcart locked inside the hopper.

[0008] Preferably, the first machine tool includes a first fixture, the first fixture comprising:

[0009] A pipe is provided at its first end with an adapter sleeve, and an axial positioning seat is provided on the end face of the adapter sleeve. A water collection box is provided at the second end of the pipe.

[0010] A hollow screw rod, the first end of which is threadedly connected to a center point, and an empty tube is provided on the end face of the axial positioning seat, the empty tube being fixedly connected to the center point.

[0011] Preferably, the outer wall of the tip is fitted with a second O-ring, and the contact surface between the tip and the second O-ring is provided with a dustproof sealing ring.

[0012] A first O-ring is provided on the outer wall of the end of the tip located inside the first end of the screw;

[0013] A compression spring is provided between the tip and the screw;

[0014] The second O-ring is fixed to the top tip by an internal hexagon set screw.

[0015] Preferably, the second end of the screw is inserted with a first adjusting limiting plate extending to the outside of the water collection box;

[0016] The first adjustment limiting plate is provided with a base, the second end of the screw is provided with an annular portion, the annular portion is provided with a detection ring on the side opposite to the base, and the base and the detection ring clamp the annular portion to seal it;

[0017] The side of the water collection box is provided with a transition sheet metal, and an anti-rotation sheet metal for supporting the first adjustment limit plate is installed on the transition sheet metal.

[0018] Preferably, the axial positioning seat is provided with a fixed angular block arranged symmetrically about the center of the empty pipe and an angular sliding seat fixed by positioning bolts. The angular sliding seat is provided with a floating angular block and a plug arranged close to the empty pipe.

[0019] Preferably, the second machine tool includes a second fixture, which comprises:

[0020] Tube bundle oil passage assembly;

[0021] A base is provided on which an axial positioning seat is fixedly installed, and the axial positioning seat is connected and fixed to the flange at the first end of the oil supply assembly of the tube bundle. A tensioning cylinder assembly that cooperates with the oil supply assembly of the tube bundle is provided on the base.

[0022] A connecting disc is mounted on the second end of the tubing oil passage assembly.

[0023] Preferably, an inner expansion mandrel is provided in the through hole on the end face of the base, and an expansion sleeve for fixing the inner expansion mandrel is provided on the end face of the base.

[0024] It also includes a non-standard rotary tip that is coaxial with the inner expansion mandrel and maintains a predetermined distance from it.

[0025] Preferably, a connecting steel pipe is fixedly provided on the axis of the end face of the connecting disc, and a rotary joint is provided at the end of the connecting steel pipe.

[0026] A high-speed rotary joint is fitted onto the connecting steel pipe between the rotary joint of the passage and the oil circuit adapter seat located on the end face of the connecting plate.

[0027] Preferably, it also includes an anti-rotation arm for engaging with a dual-channel anti-rotation sheet metal stop on the rotary joint shaft valve.

[0028] Preferably, the end face of the axial positioning seat is provided with cylinder pad A and cylinder pad B symmetrically arranged about the axis. The output end of the cylinder pad A is provided with a rotary clamp, the output end of the cylinder pad B is provided with a pressure plate, and the end face of the axial positioning seat is provided with an angular pin.

[0029] In the above technical solution, the automated production line for valve cover process fixtures provided by the present invention has the following beneficial effects: the collet structure holds the outer diameter end face of the part for support; since the parts are of different lengths, the main shaft is designed with an elastic center mechanism to assist in positioning the small end; and the first fixture has a flushing function to clean iron filings inside.

[0030] Secondly, the tail end of the second fixture is connected to four oil and two air lines, which pass through the spindle inner hole tube bundle to the spindle side for use by the fixture. The tube bundle assembly is rigidly connected at the front and rear, and non-standard steel pipes are used for internal connection, which effectively meets the high-speed rotation requirements of the lathe. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0032] Figure 1 This is a schematic diagram of the implementation structure provided in an embodiment of the present invention;

[0033] Figure 2 This is a schematic diagram of the structure of the first clamp provided in an embodiment of the present invention;

[0034] Figure 3 This is a side view of the first clamp provided in an embodiment of the present invention;

[0035] Figure 4 A cross-sectional structural diagram of the first clamp provided in an embodiment of the present invention;

[0036] Figure 5 This is a cross-sectional structural diagram of the second clamp provided in an embodiment of the present invention;

[0037] Figure 6 This is a side view of the second clamp provided in an embodiment of the present invention;

[0038] Figure 7 This is a schematic diagram of the structure of the second clamp provided in an embodiment of the present invention;

[0039] Figure 8 This is a schematic diagram of the structure of the handcart provided in an embodiment of the present invention;

[0040] Figure 9This is a schematic diagram of the structure of the silo provided in an embodiment of the present invention.

[0041] Explanation of reference numerals in the attached figures:

[0042] 1. First machine tool; 2. Second machine tool; 3. Robot; 4. Gripper; 5. Hopper; 6. Handcart; 7. Sampling inspection table; 8. Safety railing; 9. Anti-slip pedal;

[0043] 1-1 Axial positioning seat; 1-2 Floating angular block; 1-3 Angular sliding seat; 1-5 Plug; 1-6 Positioning bolt; 1-7 Fixed angular block; 1-8 Side top block; 1-9 Adapter sleeve; 1-10 Pull tube; 1-11 Center head; 1-12 Sliding seat; 1-13 Screw; 1-14 Detection ring; 1-15 Base; 1-16 Water collection box; 1-17 Transition sheet metal; 1-18 Anti-rotation sheet metal; 1-19 First adjustment limit plate; 1-20 Second adjustment limit plate; 1-21 First O-ring; 1-22 Second O-ring; 1-23 Dustproof sealing ring; 1-24 Compression spring; 1-25 Hex socket set screw;

[0044] 2-1. Chassis; 2-2. Axial positioning seat; 2-3. Cylinder pad A; 2-4. Cylinder pad B; 2-5. Pressure plate; 2-6. Angle pin; 2-7. Tensioning cylinder assembly; 2-8. Tube bundle oil passage assembly; 2-9. Connecting plate; 2-10. Oil circuit adapter; 2-11. Connecting steel pipe; 2-12. Anti-rotation arm; 2-13. Double-channel anti-rotation sheet metal; 2-14. Internal expansion mandrel; 2-15. Expansion sleeve; 2-16. Flange; 2-17. Non-standard rotary center; 2-18. High-speed rotary joint; 2-19. Passage rotary joint; 2-20. Rotary clamp;

[0045] 6-1. Material tray; 6-2. Handcart frame; 6-3. Positioning pin;

[0046] 5-1. Handcart positioning; 5-2. Tilting table; 5-3. Sampling inspection table; 5-4. Pneumatic system. Detailed Implementation

[0047] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0048] like Figure 1-9 As shown, an automated production line for valve cover process fixtures includes a first machine tool 1 and a second machine tool 2 arranged at intervals, a robot arm 3 and a hopper 5, with a sampling inspection station 7 set on one side of the hopper 5.

[0049] Robotic arm 3 is assembled for the following two workstation activity settings:

[0050] At the first workstation, the valve cover that has been processed by the first machine tool 1 is transferred to the second machine tool 2 for further processing;

[0051] At the second workstation, the valve cover that has been processed by the second machine tool 2 is transferred to the locked bracket inside the hopper 5.

[0052] Specifically, the embodiment also includes an anti-slip pedal 9, and the first machine tool 1, the second machine tool 2, the robot arm 3, and the hopper 5 are all mounted on the anti-slip pedal 9, and the side wall of the anti-slip pedal 9 is also provided with a safety guardrail 8.

[0053] Furthermore, in this embodiment, the hopper 5 is equipped with a handcart positioning 5-1 for locking the handcart 6, the hopper 5 is equipped with a sampling inspection table 5-3, and the hopper 5 is equipped with a tilting table 5-2 driven by a pneumatic system 5-4.

[0054] Furthermore, the trolley 6 includes a trolley frame 6-2, on which a tray 6-1 is fixed by a positioning pin 6-3.

[0055] As a further embodiment of the present invention, the first machine tool 1 includes a first fixture, the first fixture comprising:

[0056] Pull pipe 1-10, the first end of pull pipe 1-10 is provided with adapter sleeve 1-9, the end face of adapter sleeve 1-9 is provided with axial positioning seat 1-1, and the second end of pull pipe 1-10 is provided with water collection box 1-16;

[0057] The hollow screw 1-13 has a threaded connection at its first end to a center part 1-11. An empty tube is provided on the end face of the axial positioning seat 1-1, and the empty tube is fixedly connected to the center part 1-11.

[0058] Furthermore, a second O-ring 1-22 is fitted on the outer wall of the tip 1-11, and a dustproof sealing ring 1-23 is provided on the contact surface between the tip 1-11 and the second O-ring 1-22;

[0059] A first O-ring 1-21 is provided on the outer wall of one end of the tip 1-11 located inside the first end of the screw 1-13;

[0060] A compression spring 1-24 is provided between the tip 1-11 and the screw 1-13;

[0061] The second O-ring 1-22 is fixed to the top part 1-11 by an internal hex socket set screw 1-25.

[0062] Furthermore, the second end of the screw 1-13 is connected to a first adjusting limit plate 1-19 extending to the outside of the water collection box 1-16;

[0063] The first adjustment limit plate 1-19 is provided with a base 1-15, and the second end of the screw 1-13 is provided with an annular part. A detection ring 1-14 is provided on the side of the annular part opposite to the base 1-15, and the base 1-15 and the detection ring 1-14 clamp the annular part to seal it.

[0064] The side of the water collection box 1-16 is provided with a transition sheet metal 1-17, and an anti-rotation sheet metal 1-18 for supporting the first adjustment limit plate 1-19 is installed on the transition sheet metal 1-17.

[0065] Furthermore, the axial positioning seat 1-1 is provided with a fixed angular block 1-7 arranged symmetrically about the center of the empty pipe fitting and an angular sliding seat 1-3 fixed by a positioning bolt 1-6. The angular sliding seat 1-3 is provided with a floating angular block 1-2 arranged close to the empty pipe fitting and a plug 1-5.

[0066] In the above embodiments, the collet structure supports the outer diameter end face of the part. Since the parts are of different lengths, the spindle is designed with an elastic center mechanism to assist in positioning the small end. The first clamp also has a flushing function to clean the iron filings inside.

[0067] As a further embodiment of the present invention, the second machine tool 2 includes a second fixture, which includes:

[0068] Tube bundle oil passage assembly 2-8;

[0069] The base 2-1 has an axial positioning seat 2-2 fixedly installed on it. The axial positioning seat 2-2 is connected and fixed to the flange 2-16 at the first end of the tube bundle oil supply assembly 2-8. The base 2-1 is provided with a tensioning cylinder assembly 2-7 that cooperates with the tube bundle oil supply assembly 2-8.

[0070] Connecting disc 2-9 is mounted on the second end of the oil supply assembly 2-8 of the tube bundle.

[0071] Furthermore, an inner expansion mandrel 2-14 is provided in the through hole on the end face of the base 2-1, and an expansion sleeve 2-15 for fixing the inner expansion mandrel 2-14 is provided on the end face of the base 2-1;

[0072] It also includes a non-standard rotary tip 2-17 that is coaxial with the inner expansion mandrel 2-14 and maintains a predetermined spacing.

[0073] Furthermore, a connecting steel pipe 2-11 is fixedly installed on the shaft of the end face of the connecting plate 2-9, and a passage rotary joint 2-19 is installed at the end of the connecting steel pipe 2-11;

[0074] A high-speed rotary joint 2-18 is fitted onto the connecting steel pipe 2-11 between the oil circuit adapter seat 2-10 located on the end face of the connecting plate 2-9 and the passage rotary joint 2-19.

[0075] The embodiment also includes an anti-rotation arm 2-12 for engaging with the dual-channel anti-rotation sheet metal 2-13 on the rotary joint 2-19 shaft valve.

[0076] Furthermore, the end face of the axial positioning seat 2-2 is provided with cylinder pads A2-3 and B2-4 symmetrically arranged about the axis. The output end of cylinder pad A2-3 is provided with a rotary clamp 2-20, the output end of cylinder pad B2-4 is provided with a pressure plate 2-5, and the end face of the axial positioning seat 2-2 is provided with an angular pin 2-6.

[0077] In the above embodiment, the tail end of the second fixture is connected to four oil and two air lines, which pass through the spindle inner hole tube bundle to the spindle side for use by the fixture. The tube bundle assembly is rigidly connected front and rear, and non-standard steel pipes are used for internal connection, which effectively meets the high-speed rotation requirements of the lathe.

[0078] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An automated production line for valve cover process fixtures, characterized in that, It includes a first machine tool (1) and a second machine tool (2) arranged at intervals, a robot (3) and a hopper (5), and a sampling inspection station (7) is provided on one side of the hopper (5); The robotic arm (3) is mounted for the following two workstation activity settings: At the first station, the valve cover that has been processed by the first machine tool (1) is transferred to the second machine tool (2) for processing; At the second work station, the valve cover that has been processed by the second machine tool (2) is transferred to the bracket on the handcart (6) locked inside the hopper (5); The first machine tool (1) includes a first fixture, the first fixture comprising: A pull pipe (1-10) is provided with an adapter sleeve (1-9) at its first end, an axial positioning seat (1-1) is provided on the end face of the adapter sleeve (1-9), and a water collection box (1-16) is provided at the second end of the pull pipe (1-10). A hollow screw (1-13) has a center part (1-11) threadedly connected to the first end of the screw (1-13), and a hollow tube is provided on the end face of the axial positioning seat (1-1), and the hollow tube is fixedly connected to the center part (1-11). The outer wall of the top part (1-11) is fitted with a second O-ring (1-22), and a dustproof sealing ring (1-23) is provided on the contact surface between the top part (1-11) and the second O-ring (1-22). A first O-ring (1-21) is provided on the outer wall of one end of the tip (1-11) located inside the first end of the screw (1-13). A compression spring (1-24) is provided between the tip (1-11) and the screw (1-13). The second O-ring (1-22) is fixed to the top part (1-11) by a hex socket set screw (1-25); The second end of the screw (1-13) is inserted into a first adjusting limiting plate (1-19) extending to the outside of the water collection box (1-16). The first adjusting limit plate (1-19) is provided with a base (1-15), and the second end of the screw (1-13) is provided with an annular part. A detection ring (1-14) is provided on the side of the annular part opposite to the base (1-15), and the base (1-15) and the detection ring (1-14) clamp the annular part to seal it. The second machine tool (2) includes a second fixture, which comprises: Tube bundle oil passage assembly (2-8); A base (2-1) is fixedly mounted with an axial positioning seat (2-2), and the axial positioning seat (2-2) is connected and fixed to the flange (2-16) at the first end of the tube bundle oil supply assembly (2-8). A tensioning cylinder assembly (2-7) that cooperates with the tube bundle oil supply assembly (2-8) is provided on the base (2-1). A connecting disc (2-9) is mounted on the second end of the oil supply assembly (2-8) of the tube bundle; An inner expansion mandrel (2-14) is provided in the through hole on the end face of the base (2-1), and an expansion sleeve (2-15) for fixing the inner expansion mandrel (2-14) is provided on the end face of the base (2-1). It also includes a non-standard rotary tip (2-17) that is coaxial with the inner expansion mandrel (2-14) and maintains a predetermined distance. A connecting steel pipe (2-11) is fixedly installed on the axis of the end face of the connecting plate (2-9), and a passage rotary joint (2-19) is provided at the end of the connecting steel pipe (2-11). The connecting steel pipe (2-11) is fitted with a high-speed rotary joint (2-18) located between the passage rotary joint (2-19) and the oil circuit adapter (2-10) set on the end face of the connecting plate (2-9).

2. The automated production line for valve cover process fixtures according to claim 1, characterized in that, The side of the water collection box (1-16) is provided with a transition sheet metal (1-17), and an anti-rotation sheet metal (1-18) for supporting the first adjustment limit plate (1-19) is installed on the transition sheet metal (1-17).

3. The automated production line for valve cover process fixtures according to claim 2, characterized in that, The first clamp has a fixed angular block (1-7) arranged symmetrically about the center of the empty pipe and an angular sliding seat (1-3) fixed by a positioning bolt (1-6). The angular sliding seat (1-3) has a floating angular block (1-2) arranged close to the empty pipe and a plug (1-5).

4. An automated production line for valve cover process fixtures according to claim 3, characterized in that, It also includes an anti-rotation arm (2-12) for engaging with the double-channel anti-rotation sheet metal (2-13) stop on the shaft valve of the said rotary joint (2-19).

5. An automated production line for valve cover process fixtures according to claim 1, characterized in that, The end face of the axial positioning seat (2-2) of the second fixture is provided with cylinder pad A (2-3) and cylinder pad B (2-4) arranged symmetrically about the axis. The output end of the cylinder pad A (2-3) is provided with a rotary clamp (2-20), the output end of the cylinder pad B (2-4) is provided with a pressure plate (2-5), and the end face of the axial positioning seat (2-2) is provided with an angular pin (2-6).

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