Piston top drilling device

Abstract

The utility model belongs to the technical field of piston machining equipment, and particularly relates to a piston top drilling device which is characterized in that a piston to be machined is placed in a shell, an air valve is opened, then an external air pump is connected with an air inlet pipe, air is introduced into an annular air pipe through the air pump, and meanwhile, the air is discharged into a telescopic pipe through a connecting air pipe; and four arc-shaped clamping blocks are driven to move, so that the periphery of the piston can be clamped and fixed, the effect of rapidly fixing the piston is achieved, the fixing effect is improved, the situation that the drilling precision is affected by piston movement is prevented, and then the drill bit assembly is controlled by the adjusting mechanism to move to drill the top of the piston.

Description

Technical Field

[0001] The utility model belongs to the technical field of piston processing equipment, in particular to a piston top drilling device. Background Art

[0002] The piston is a reciprocating part in the cylinder block of a car engine. The basic structure of the piston can be divided into the top, head and skirt. It plays an extremely important role in starting the engine. The piston is generally used to withstand gas pressure and drive the crankshaft to rotate through the piston pin. The processing of the piston top drilling device is generally clamped and fixed by a conventional clamp, and then the drilling operation is performed. The existing piston clamp structure is generally simple, and can often only clamp the piston in one direction of movement, and cannot position the piston in multiple dimensions. Therefore, it is easy to loosen during the drilling process on the top of the piston, resulting in low drilling accuracy. Utility Model Content

[0003] The purpose of the utility model is to provide a piston top drilling device in view of the above-mentioned technical problems, so as to solve the problems raised in the above-mentioned background technology.

[0004] In view of this, the utility model provides a piston top drilling device, comprising a workbench, wherein fixing rods are fixedly arranged at the four corners of the upper surface of the workbench, a top plate is fixedly arranged on the top of the fixing rods, and a drill assembly is arranged at the bottom of the top plate;

[0005] An adjustment mechanism is provided on the top plate to control the movement of the drill assembly;

[0006] The clamping mechanism includes a shell, the inner walls of the shell are provided with mounting grooves, an arc-shaped clamping block is movably arranged in the mounting groove, a telescopic tube is fixedly connected to one side of the arc-shaped clamping block, an end of the telescopic tube away from the arc-shaped clamping block is fixedly connected to the side wall of the mounting groove, a spring is sleeved on the outer surface of the sleeve, and the two ends of the spring are respectively fixedly connected to the arc-shaped clamping block and the mounting groove, an annular air pipe is arranged inside the shell, connecting air pipes are fixedly arranged around the annular air pipe, and an end of the connecting air pipe away from the annular air pipe is fixedly connected to one end of the telescopic tube, an air inlet pipe is fixedly arranged on one side of the annular air pipe, and an air valve is arranged on the air inlet pipe.

[0007] In the above technical solution, further, the telescopic tube includes:

[0008] A cannula, one end of which is connected to the trachea and fixedly connected to one end of the cannula;

[0009] A sealing block, which is slidably arranged inside the sleeve;

[0010] A movable tube, one end of which is inserted into the interior of the sleeve and fixedly connected to the side wall of the sealing block.

[0011] In the above technical solution, further, two limit blocks are symmetrically fixedly provided on the inner wall of the opening at one end of the sleeve, and the sealing block is clamped and arranged inside the sleeve through the limit blocks.

[0012] In the above technical solution, further, the regulating mechanism includes:

[0013] A first motor, a first motor is arranged at one end of the upper surface of the top plate;

[0014] A first screw rod, an output shaft of the first motor passes through the top plate and is fixedly connected to the first screw rod, and the first screw rod is rotatably connected on the workbench;

[0015] A support rod, one end of which is fixedly connected to the workbench, and the other end of which is fixedly connected to the top plate;

[0016] A lifting plate, one end of which is threadedly connected to the first screw rod, and the other end of which is slidably connected to the support rod, and a drill bit assembly is arranged on the lifting plate.

[0017] In the above technical solution, further, the regulating mechanism also includes:

[0018] Mounting frames are provided at both ends of the bottom of the lifting plate;

[0019] A second motor is installed at one end of the mounting frame on one side;

[0020] A second screw rod, the output shaft of the second motor passes through the mounting frame and is fixedly connected to the second screw rod;

[0021] A limit rod, the other ends of the two mounting frames are fixedly connected with the limit rod;

[0022] An adjusting plate is arranged at the bottom of the limiting rod, two adjusting blocks are fixedly connected to the top of the adjusting plate, one of the adjusting blocks is threadedly connected to the second screw rod, and the other adjusting block is slidably connected to the limiting rod, and the drill assembly is arranged on the adjusting plate.

[0023] In the above technical solution, further, the drill bit assembly includes:

[0024] A third motor, the top of the adjustment plate is fixedly connected with the third motor;

[0025] A drill rod, a drill rod connected to the output shaft of the third motor is arranged at the bottom of the adjustment plate;

[0026] Drill bit: A drill bit is arranged at the bottom of the drill rod.

[0027] In the above technical solution, further, an empty groove is opened at the middle position inside the lifting plate and the top plate.

[0028] In the above technical solution, further, an air intake groove is opened on one side of the shell, and the air intake pipe and the air valve are both located inside the air intake groove.

[0029] In the above technical solution, further, a rubber plug for blocking the air intake pipe and the air valve is provided at the opening of the air intake groove, and the rubber plug adopts a T-shaped structure.

[0030] In the above technical solution, further, a protective pad is fixedly provided on the inner side of the arc-shaped clamping block.

[0031] The beneficial effects of the utility model are:

[0032] 1. Place the piston to be processed into the shell, open the air valve, and then connect the external air pump to the air inlet pipe. Introduce gas into the inside of the annular air pipe through the air pump. At the same time, connect the air pipe to discharge the gas into the inside of the telescopic tube, driving the four arc-shaped blocks to move, so that the piston can be clamped and fixed all around, achieving the effect of quickly fixing the piston, improving the fixing effect, and preventing the movement of the piston during the drilling process from affecting the drilling accuracy.

[0033] 2. Start the second motor, and the output shaft of the second motor drives the second screw to rotate. The rotation of the second screw drives one of the adjusting blocks to move on the second screw. Since the two adjusting blocks are fixedly connected to the top of the adjusting plate, when the second screw rotates, the other adjusting block slides on the limit rod to adjust the use position of the drill bit assembly. Holes can be drilled at the same straight line position on the top of the piston without moving the piston, thereby improving the practicability of the device.

[0034] 3. The protective pad can be connected to the arc-shaped block by gluing with rubber material. By providing the protective pad, the arc-shaped block can be prevented from wearing the piston. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a structural schematic diagram of the utility model;

[0036] Figure 2 It is a cross-sectional view of the utility model;

[0037] Figure 3 It is a schematic diagram of the structure of the clamping assembly of the utility model;

[0038] Figure 4 This utility model Figure 3 A partial enlarged view of the middle A;

[0039] Figure 5 It is a schematic diagram of the telescopic tube structure of the utility model;

[0040] Figure 6 It is a schematic diagram of the structure of the regulating mechanism of the utility model;

[0041] Figure 7 It is a schematic diagram of the structure of part of the adjustment mechanism of the utility model;

[0042] Markings in the figure are as follows: 1-workbench, 2-fixed rod, 3-top plate, 4-shell, 5-mounting groove, 6-arc block, 7-telescopic tube, 8-annular air pipe, 9-connecting air pipe, 10-inlet pipe, 11-air valve, 12-casing, 13-sealing block, 14-moving tube, 15-limit block, 16-first motor, 17-first screw, 18-support rod, 19-lifting plate, 20-mounting frame, 21-second motor, 22-second screw, 23-limit rod, 24-adjusting plate, 25-adjusting block, 26-third motor, 27-drill rod, 28-drill bit, 29-empty slot, 30-rubber plug, 31-protective pad, 32-spring. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0044] Embodiment 1:

[0045] This embodiment provides a piston top drilling device, comprising:

[0046] A workbench 1, wherein fixing rods 2 are fixedly arranged at the four corners of the upper surface of the workbench 1, a top plate 3 is fixedly arranged on the top of the fixing rods 2, and a drill assembly is arranged at the bottom of the top plate 3;

[0047] An adjustment mechanism, an adjustment mechanism for controlling the movement of the drill assembly is provided on the top plate 3;

[0048] The clamping mechanism includes a shell 4, and the inner walls of the shell 4 are provided with mounting grooves 5. An arc-shaped block 6 is movably arranged in the mounting groove 5. A telescopic tube 7 is fixedly connected to one side of the arc-shaped block 6. One end of the telescopic tube 7 away from the arc-shaped block 6 is fixedly connected to the side wall of the mounting groove 5. A spring 32 is sleeved on the outer surface of the telescopic tube 7, and the two ends of the spring 32 are respectively fixedly connected to the arc-shaped block 6 and the mounting groove 5. An annular air pipe 8 is arranged inside the shell 4. Connecting air pipes 9 are fixedly arranged around the annular air pipe 8, and one end of the connecting air pipe 9 away from the annular air pipe 8 is fixedly connected to one end of the telescopic tube 7. An air intake pipe 10 is fixedly arranged on one side of the annular air pipe 8, and an air valve 11 is arranged on the air intake pipe 10.

[0049] It can be seen from the present embodiment that the piston to be processed is placed in the housing 4, the air valve 11 is opened, and then the external air pump is connected to the air inlet pipe 10, and gas is introduced into the interior of the annular air pipe 8 through the air pump. At the same time, the air pipe 9 is connected to discharge the gas into the interior of the telescopic tube 7, driving the four arc-shaped clamping blocks 6 to move, so that the piston can be clamped and fixed on all sides, achieving a quick fixation effect on the piston, improving the fixation effect, and preventing the movement of the piston during the drilling process from affecting the drilling accuracy. The drill bit assembly is then controlled by the adjustment mechanism to move and drill the top of the piston. When the processing is completed and disassembly is required, it is only necessary to open the air valve 11 to release the gas inside the annular air pipe 8 and the telescopic tube 7. At this time, the spring 32 applies elastic force to the arc-shaped clamping block 6, so that the arc-shaped clamping block 6 is separated from the piston, so that the piston can be removed.

[0050] Embodiment 2:

[0051] This embodiment provides a piston top drilling device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0052] The telescopic tube 7 comprises:

[0053] The sleeve 12 is connected to one end of the trachea 9 and fixedly connected to one end of the sleeve 12;

[0054] A sealing block 13, the sealing block 13 is slidably disposed inside the sleeve 12;

[0055] The movable tube 14 has one end inserted into the sleeve 12 and fixedly connected to the side wall of the sealing block 13 .

[0056] It can be seen from the present embodiment that, when in use, the air valve 11 is opened, and then the external air pump is connected to the air inlet pipe 10, and gas is introduced into the interior of the annular air pipe 8 through the air pump, and at the same time, the air pipe 9 is connected to discharge the gas into the interior of the telescopic tube 7, so that the sealing block 13 is pushed inside the sleeve 12, and at the same time, the sealing block 13 drives the moving tube 14 to move, and the moving tube 14 drives the four arc-shaped clamping blocks 6 to move, so that the piston can be clamped and fixed on all sides, thereby realizing the function of quickly fixing the piston; when the processing is completed and it needs to be disassembled, it is only necessary to open the air valve 11 to release the gas inside the annular air pipe 8 and the telescopic tube 7, and at this time, the spring 32 applies elastic force to the arc-shaped clamping block 6, so that the arc-shaped clamping block 6 is separated from the piston, so that the piston can be removed.

[0057] Embodiment 3:

[0058] This embodiment provides a piston top drilling device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0059] Two limit blocks 15 are symmetrically fixedly disposed on the inner wall of an opening at one end of the sleeve 12 , and the sealing block 13 is clamped and disposed inside the sleeve 12 through the limit blocks 15 .

[0060] It can be seen from this embodiment that the sleeve 12 is a square tube, the sealing block 13 is a square plug, and the sealing block 13 is clamped and arranged inside the sleeve 12 through the limit stopper 15, so that the sealing block 13 moves inside the sleeve 12 and pushes the moving tube 14 to move.

[0061] Embodiment 4:

[0062] This embodiment provides a piston top drilling device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0063] The regulatory agencies include:

[0064] A first motor 16 is provided at one end of the upper surface of the top plate 3;

[0065] A first screw 17, an output shaft of the first motor 16 passes through the top plate 3 and is fixedly connected to the first screw 17, and the first screw 17 is rotatably connected on the workbench 1;

[0066] A support rod 18, one end of the support rod 18 is fixedly connected to the workbench 1, and the other end is fixedly connected to the top plate 3;

[0067] A lifting plate 19 , one end of which is threadedly connected to the first screw rod 17 , and the other end of which is slidably connected to the support rod 18 , and the drill assembly is arranged on the lifting plate 19 .

[0068] It can be seen from the present embodiment that after the clamping mechanism clamps the piston to be processed, the first motor 16 is started, and the output shaft of the first motor 16 drives the first screw 17 to rotate, the lifting plate 19 is threadedly connected to the first screw 17, and the lifting plate 19 is slidingly connected to the support rod 18. The rotation of the first screw 17 drives the lifting plate 19 to move up and down, and the adjustment is stable, so as to realize the adjustment of the use position of the drill bit assembly.

[0069] Embodiment 5:

[0070] This embodiment provides a piston top drilling device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0071] The regulatory agencies also include:

[0072] Mounting frame 20, mounting frames 20 are provided at both ends of the bottom of the lifting plate 19;

[0073] A second motor 21 is installed at one end of the mounting frame 20;

[0074] A second screw rod 22, the output shaft of the second motor 21 passes through the mounting frame 20 and is fixedly connected to the second screw rod 22;

[0075] A limiting rod 23 is fixedly connected between the other ends of the two mounting frames 20;

[0076] An adjusting plate 24 is provided at the bottom of the limiting rod 23 , and two adjusting blocks 25 are fixedly connected to the top of the adjusting plate 24 , one of the adjusting blocks 25 is threadedly connected to the second screw rod 22 , and the other adjusting block 25 is slidably connected to the limiting rod 23 , and the drill bit assembly is provided on the adjusting plate 24 .

[0077] It can be seen from the present embodiment that when the second motor 21 is started, the output shaft of the second motor 21 drives the second screw 22 to rotate, and the rotation of the second screw 22 drives one of the adjusting blocks 25 to move on the second screw 22. Since the two adjusting blocks 25 are fixedly connected to the top of the adjusting plate 24, when the second screw 22 rotates, the other adjusting block 25 slides on the limiting rod 23, thereby adjusting the use position of the drill bit assembly, and drilling can be performed at the same straight line position of the top of the piston without moving the piston, thereby improving the practicability of the device.

[0078] Embodiment 6:

[0079] This embodiment provides a piston top drilling device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0080] The drill kit includes:

[0081] A third motor 26 , the top of the adjustment plate 24 is fixedly connected with the third motor 26 ;

[0082] A drill rod 27, a drill rod 27 connected to the output shaft of the third motor 26 is provided at the bottom of the adjustment plate 24;

[0083] Drill bit 28 : A drill bit 28 is arranged at the bottom of the drill rod 27 .

[0084] It can be seen from the present embodiment that when the third motor 26 is started, the output shaft of the third motor 26 rotates to drive the drill rod 27 and the drill bit 28 to rotate and drill a hole on the top of the piston.

[0085] Embodiment 7:

[0086] This embodiment provides a piston top drilling device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0087] An empty slot 29 is provided at the middle position inside the lifting plate 19 and the top plate 3 .

[0088] It can be seen from this embodiment that the empty slot 29 opened at the middle position inside the lifting plate 19 and the top plate 3 can allow the third motor 26 to slide on it.

[0089] Embodiment 8:

[0090] This embodiment provides a piston top drilling device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0091] An air intake groove is provided on one side of the housing 4, and the air intake pipe 10 and the air valve 11 are both located inside the air intake groove.

[0092] It can be seen from this embodiment that the air intake pipe 10 and the air valve 11 are both located inside the air intake groove.

[0093] Embodiment 9:

[0094] This embodiment provides a piston top drilling device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0095] A rubber plug 30 is provided at the opening of the air inlet groove to block the air inlet pipe 10 and the air valve 11, and the rubber plug 30 adopts a T-shaped structure.

[0096] It can be seen from the present embodiment that by providing the rubber plug 30 of the T-shaped structure, the air intake pipe 10 and the air valve 11 can be prevented from being exposed, thereby improving the use effect.

[0097] Embodiment 10:

[0098] This embodiment provides a piston top drilling device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0099] A protective pad 31 is fixedly disposed on the inner side of the arc-shaped clamping block 6 .

[0100] It can be seen from this embodiment that the protective pad 31 can be connected to the arc-shaped clamping block 6 by gluing with rubber material. By providing the protective pad 31, it is possible to prevent the arc-shaped clamping block 6 from causing wear to the piston.

[0101] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A piston top drilling device, characterized in that: include: A workbench (1), wherein fixing rods (2) are fixedly arranged at four corners of the upper surface of the workbench (1), a top plate (3) is fixedly arranged on the top of the fixing rods (2), and a drill assembly is arranged at the bottom of the top plate (3); An adjustment mechanism, wherein the top plate (3) is provided with an adjustment mechanism for controlling the movement of the drill assembly; The clamping mechanism comprises a shell (4), the inner wall of the shell (4) is provided with a mounting groove (5), an arc-shaped clamping block (6) is movably arranged in the mounting groove (5), one side of the arc-shaped clamping block (6) is fixedly connected with a telescopic tube (7), the outer surface of the telescopic tube (7) is sleeved with a spring (32), and the two ends of the spring (32) are respectively fixedly connected with the arc-shaped clamping block (6) and the mounting groove (5), one end of the telescopic tube (7) away from the arc-shaped clamping block (6) is fixedly connected with the side wall of the mounting groove (5), an annular air pipe (8) is arranged inside the shell (4), connecting air pipes (9) are fixedly arranged around the annular air pipe (8), and one end of the connecting air pipe (9) away from the annular air pipe (8) is fixedly connected with one end of the telescopic tube (7), an air inlet pipe (10) is fixedly arranged on one side of the annular air pipe (8), and an air valve (11) is arranged on the air inlet pipe (10).

2. A piston top drilling device according to claim 1, characterized in that: The telescopic tube (7) comprises: A sleeve (12), one end of the connecting air pipe (9) being fixedly connected to one end of the sleeve (12); A sealing block (13), wherein the sealing block (13) is slidably disposed inside the sleeve (12); A movable tube (14), one end of which is inserted into the interior of the sleeve (12) and fixedly connected to the side wall of the sealing block (13).

3. A piston top drilling device according to claim 2, characterized in that: Two limit blocks (15) are symmetrically fixedly provided on the inner wall of an opening at one end of the sleeve (12), and the sealing block (13) is clamped and arranged inside the sleeve (12) through the limit blocks (15).

4. A piston top drilling device according to claim 1, characterized in that: The regulating mechanism comprises: A first motor (16), wherein a first motor (16) is disposed at one end of the upper surface of the top plate (3); A first screw rod (17), wherein the output shaft of the first motor (16) passes through the top plate (3) and is fixedly connected to the first screw rod (17), and the first screw rod (17) is rotatably connected to the workbench (1); A support rod (18), one end of the support rod (18) is fixedly connected to the workbench (1), and the other end of the support rod (18) is fixedly connected to the top plate (3); A lifting plate (19), one end of which is threadedly connected to the first screw rod (17), and the other end of which is slidably connected to the support rod (18), and the drill assembly is arranged on the lifting plate (19).

5. A piston top drilling device according to claim 4, characterized in that: The regulating mechanism also includes: A mounting frame (20), wherein mounting frames (20) are provided at both ends of the bottom of the lifting plate (19); A second motor (21), wherein the second motor (21) is mounted on one end of the one side mounting frame (20); A second screw rod (22), wherein the output shaft of the second motor (21) passes through the mounting frame (20) and is fixedly connected to the second screw rod (22); A limiting rod (23), the limiting rod (23) being fixedly connected between the other ends of the two mounting frames (20); An adjusting plate (24) is provided at the bottom of the limiting rod (23), and two adjusting blocks (25) are fixedly connected to the top of the adjusting plate (24), one of the adjusting blocks (25) is threadedly connected to the second screw rod (22), and the other adjusting block (25) is slidably connected to the limiting rod (23), and the drill bit assembly is arranged on the adjusting plate (24).

6. A piston top drilling device according to claim 5, characterized in that: The drill head assembly comprises: A third motor (26), the top of the adjustment plate (24) being fixedly connected to the third motor (26); A drill rod (27), wherein the bottom of the adjustment plate (24) is provided with a drill rod (27) connected to the output shaft of the third motor (26); A drill bit (28), wherein the bottom of the drill rod (27) is provided with a drill bit (28).

7. A piston top drilling device according to claim 6, characterized in that: An empty slot (29) is provided at the middle position inside the lifting plate (19) and the top plate (3).

8. A piston top drilling device according to claim 3, characterized in that: An air intake groove is provided on one side of the shell (4), and the air intake pipe (10) and the air valve (11) are both located inside the air intake groove.

9. A piston top drilling device according to claim 8, characterized in that: A rubber plug (30) for plugging the air intake pipe (10) and the air valve (11) is provided at the opening of the air intake groove, and the rubber plug (30) adopts a T-shaped structure.

10. The piston top drilling device according to claim 1, characterized in that: A protective pad (31) is fixedly provided on the inner side of the arc-shaped clamping block (6).

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