Unpowered sleeve replacement device

Abstract

The utility model discloses an unpowered sleeve replacing device and relates to the technical field of cylinder assembly machines. Comprising a fixing support and two sets of sleeve replacing devices, each sleeve replacing device comprises a pneumatic adapter, an adapter and a pneumatic sleeve, the pneumatic adapters are clamped at the upper ends of the adapters, a first pneumatic sleeve and a second pneumatic sleeve are clamped at the lower ends of the two sets of adapters respectively, and the adapters are clamped in square opening clamping grooves of the adapters. The root portion of the adapter is connected with a swing plate, the swing plate is clamped into an iron blocking groove in the fixing support after being closed, the rotating sleeve is connected with induction iron, a shifting rod and a spring plunger, the shifting rod slides in the swing plate groove, the spring plunger slides on the fixing support, and the fixing support is connected with a protection switch mechanism. The sleeve can be quickly mounted and dismounted, and the screwing quality consistency is improved; automatic investment is reduced, and flexible production is achieved; the sleeve does not need to be replaced manually, a screwing tool does not need to be added, and multiple robots are not needed; the integration cost is reduced, and the productivity is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cylinder block assembly machines, and particularly to a power-free sleeve replacement device in the assembly of automobile engine cylinder blocks. Background Art

[0002] There are many ways to replace sleeves. There are already many types of sleeve replacement devices on the market. However, most of the sleeve replacement devices are mainly used for conventional robots or manual sleeve replacement. Because there are many types of sleeves and the sizes of the mounting bolts for each workpiece are different, it is inconvenient to fix them, the processing efficiency is low, and the upfront costs are far exceeded. Therefore, a sleeve replacement device that can meet the replacement of sleeves for different workpieces, is convenient for installation and disassembly, has low processing costs, and can improve processing efficiency is needed. Summary of the Utility Model

[0003] The purpose of the utility model is to solve the problems existing in the above-mentioned prior art and provide a power-free sleeve replacement device.

[0004] The technical solution adopted by the utility model to achieve the above purpose is: a power-free sleeve replacement device, characterized in that: it includes a fixed bracket and two groups of sleeve replacement devices connected to the bracket for tightening two types of bolts. The sleeve replacement device includes a pneumatic adapter, an adapter, and a pneumatic sleeve connected in sequence from top to bottom. The pneumatic adapter is stuck at the upper end of the adapter, and pneumatic sleeve one and pneumatic sleeve two are respectively stuck at the lower ends of the two groups of adapters. The adapter is clamped in the square groove of the rotating sleeve. The rotating sleeve is connected to the fixed bracket through a copper sleeve. The root of the adapter is connected to a swing plate. After the swing plate is closed, it is clamped into the stop groove on the fixed bracket. An induction iron, a lever, and a spring plunger are respectively connected to the rotating sleeve. The lever slides in the swing plate groove, and the spring plunger slides on the fixed bracket and cooperates with two circular grooves on the fixed bracket to respectively position the opening and closing positions of the swing plate. A protection switch mechanism is connected to the fixed bracket.

[0005] The protection switch mechanism includes proximity switch one and proximity switch two. Proximity switch one and proximity switch two are respectively located between the adapters of each group and are both connected to the fixed bracket through a proximity switch bracket. Proximity switch one and proximity switch two are respectively used to detect whether the two groups of pneumatic adapters are correctly stuck in the square grooves of the adapter. It also includes proximity switch three and proximity switch four connected near the swing plate. Proximity switch three and proximity switch four are respectively used to detect the opening and closing of the swing plate. It also includes proximity switch five and proximity switch six connected near the pneumatic sleeve. Proximity switch five and proximity switch six are respectively used to detect the in-position situation of each group of sleeves.

[0006] The copper sleeve is embedded in the fixed bracket.

[0007] The swing plate passes through the bushing on the fixed bracket via a screw.

[0008] The stop iron presses on the copper bushing and is fixed with a screw.

[0009] The utility model has the following beneficial effects:

[0010] 1. Program error prevention, can quickly install and disassemble the sleeve, and improve the consistency of tightening quality;

[0011] 2. Reduce automation investment and achieve flexible production;

[0012] 3. Do not need to manually replace the sleeve;

[0013] 4. Do not need to add tightening tools;

[0014] 5. Do not need multiple robots;

[0015] 6. Reduce the integration cost, and the integrator's resources can be better focused on the design of the whole station solution;

[0016] 7. Improve production capacity, and the efficient quick change only takes 5-6 seconds (the beat is different according to the position of the quick change station);

[0017] 8. Save the on-site installation space. Description of the Drawings

[0018] Figure 1 It is a schematic structural diagram of the utility model;

[0019] Figure 2 is Figure 1 the left view of

[0020] Figure 3 is Figure 2 the sectional view of

[0021] Figure 4 is Figure 1 the top view of

[0022] Figure 5 is Figure 1 the axonometric view of

[0023] In the figure: 1. Pneumatic adapter; 2. Adapter; 3. Swing plate; 4. Bushing; 5. Sleeve; 6. Copper bushing; 7. Pneumatic sleeve one; 8. Pneumatic sleeve two; 9. Proximity switch one; 10. Proximity switch bracket; 11. Proximity switch two; 12. Fixed bracket; 13. Stop iron; 14. Spring plunger; 15. Proximity switch three; 16. Proximity switch four; 17. Proximity switch five; 18. Proximity switch six; 19. Inductive iron; 20. Lever. Detailed Implementation Manner Embodiment 1

[0024] As Figures 1-5 shown, the power-free sleeve replacement device includes a fixed bracket 12 and two sets of sleeve replacement devices connected to the bracket for tightening bolts of two varieties. The sleeve replacement device includes a pneumatic adapter 1, a swivel joint 2, and a pneumatic sleeve connected in sequence from top to bottom. The pneumatic adapter 1 is stuck on the upper end of the swivel joint 2, and pneumatic sleeves one 7 and two 8 are respectively stuck on the lower ends of the two sets of swivel joints 2. The swivel joint 2 is clamped in the square groove of the rotating sleeve 5. The rotating sleeve 5 is connected to the fixed bracket 12 through a copper sleeve 6. The root of the swivel joint 2 is connected to a swing plate 3. After the swing plate 3 is closed, it is clamped into the stop groove on the fixed bracket 12. The rotating sleeve 5 is respectively connected with an induction iron 19, a lever 20, and a spring plunger 14. The lever 20 slides in the groove of the swing plate 3, and the spring plunger 14 slides on the fixed bracket 12 and is used in cooperation with two circular grooves on the fixed bracket 12 to respectively position the opening and closing positions of the swing plate 3. A protection switch mechanism is connected to the fixed bracket 12.

[0025] The protection switch mechanism includes a proximity switch one 9 and a proximity switch two 11. The proximity switch one 9 and the proximity switch two 11 are respectively located between the swivel joints 2 of each group and are both connected to the fixed bracket 12 through a proximity switch bracket 10. The proximity switch one 9 and the proximity switch two 1 are respectively used to detect whether the two sets of pneumatic adapters are correctly stuck in the square grooves of the swivel joint 2; it also includes a proximity switch three 15 and a proximity switch four 16 connected near the swing plate 3. The proximity switch three 15 and the proximity switch four 16 are respectively used to detect the opening and closing of the swing plate 3; it also includes a proximity switch five 17 and a proximity switch six 18 connected near the pneumatic sleeve. The proximity switch five 17 and the proximity switch six 18 are respectively used to detect the in-place situation of each set of sleeves.

[0026] The copper sleeve 6 is embedded in the fixed bracket 12.

[0027] The swing plate 3 passes through a bushing 4 on the fixed bracket 12 through a screw.

[0028] The stop iron 13 presses on the copper sleeve 6 and is fixed with a screw. Embodiment 2

[0029] In the actual application of the utility model, the fixed bracket 12 is fixed. The two on the left are the sleeves of variety one, and the two on the right are the sleeves of variety two. When the sleeve of variety one on the electric shaft (at this time, the adapter 2 and the pneumatic sleeve one 7 are both on the pneumatic adapter 1) moves to the position of variety one, (at this time, the swing plates 3 of the left group open), the pneumatic adapter 1 rotates clockwise and moves downward to engage with the rotating sleeve 5. At this time, the proximity switch one 9 and the proximity switch two 11 sense and issue an order, and the electric shaft starts to drive the pneumatic adapter 1 to rotate counterclockwise and move upward, driving the rotating sleeve 5 to rotate counterclockwise, and the swing plate 3 swings back and closes to forcibly block the adapter 2, and the adapter 2 is disengaged from the pneumatic adapter 1, realizing a quick disassembly action; then the pneumatic adapter 1 moves to the position of the sleeve of variety two, (at this time, the swing plates 3 of the right group are in the closed state), the pneumatic adapter 1 moves downward to engage with the adapter 2, the electric shaft starts to move upward and rotate counterclockwise, the swing plates 3 open, and the pneumatic adapter 1 drives the adapter 2 and the pneumatic sleeve two 8 to move upward, realizing a quick installation action. The whole process of disassembly and installation is controlled by a program.

Claims

1. The non-powered sleeve replacement device is characterized in that: It includes a fixed bracket and two sets of sleeve replacement devices connected to the bracket for tightening two types of bolts. The sleeve replacement device includes a pneumatic adapter, an adapter, and a pneumatic sleeve connected in sequence from top to bottom. The pneumatic adapter is stuck on the upper end of the adapter, and pneumatic sleeve one and pneumatic sleeve two are respectively stuck on the lower ends of the two sets of adapters. The adapter is clamped in the square groove of the rotating sleeve. The rotating sleeve is connected to the fixed bracket through a copper sleeve. The root of the adapter is connected to a swing plate. After the swing plate is closed, it is clamped into the stop iron groove on the fixed bracket. The rotating sleeve is respectively connected with an induction iron, a lever, and a spring plunger. The lever slides in the swing plate groove, and the spring plunger slides on the fixed bracket and is used in cooperation with two circular grooves on the fixed bracket to respectively position the opening and closing positions of the swing plate. A protection switch mechanism is connected to the fixed bracket.

2. The power-free sleeve replacement device according to claim 1, wherein: The protection switch mechanism includes proximity switch one and proximity switch two. Proximity switch one and proximity switch two are respectively located between the adapters of each group and are both connected to the fixed bracket through a proximity switch bracket. Proximity switch one and proximity switch two are respectively used to detect whether the two sets of pneumatic adapters are correctly stuck in the square grooves of the adapters; it also includes proximity switch three and proximity switch four connected near the swing plate. Proximity switch three and proximity switch four are respectively used to detect the opening and closing of the swing plate; it also includes proximity switch five and proximity switch six connected near the pneumatic sleeve. Proximity switch five and proximity switch six are respectively used to detect the in-position situation of each set of sleeves.

3. The power-free sleeve replacement device according to claim 1, characterized in that: The copper sleeve is embedded in the fixed bracket.

4. The power-free sleeve replacement device according to claim 1, wherein: The swing plate passes through the bushing on the fixed bracket through a screw.

5. The power-free sleeve replacement device according to claim 1, characterized in that: The stop iron presses on the copper sleeve and is fixed with a screw.

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