CN220698851U - Positioning fixture is used in piston pin processing - Google Patents

Abstract

The utility model discloses a positioning fixture for piston pin machining, which comprises a base, wherein vertical plates are fixed on two sides of the top of the base, electric telescopic rods are fixed on opposite sides of the two vertical plates, connecting plates are fixed on opposite ends of the two electric telescopic rods, arc clamps are arranged on opposite sides of the two connecting plates, a disassembly and assembly component is arranged between the two arc clamps and the connecting plates, a piston pin is clamped between the two arc clamps, and an automatic cleaning mechanism is arranged on one side of the top of the base. This positioning fixture is used in wrist-pin processing has realized carrying out automatic quick clearance and collecting to the metal piece that falls on the base behind the drilling through automatic clearance mechanism's setting, has avoided the waste of metal piece, and degree of automation is high, labour saving and time saving.

Description

Positioning fixture is used in piston pin processing

Technical Field

The utility model relates to the technical field of piston pin machining, in particular to a positioning fixture for piston pin machining.

Background

In the prior art, the piston pin needs to be drilled when in machining, and the piston pin is generally positioned through a conventional clamp during drilling, and then is drilled by using a boring machine.

Referring to China patent, a piston pin hole machining fixture (publication No. CN207255729U, publication No. 2018-04-20) solves the problems that chips generated in the drilling and cutting process are easy to accumulate in pin holes, difficult to remove in time, the machining speed of the pin holes is seriously affected, in addition, chips which are not removed in time are easy to scratch the surfaces of the pin holes, the surface roughness of the pin holes is poor, and the machining quality of the pin holes is seriously affected, but after the existing positioning fixture for piston pin machining is used for drilling, metal chips on a base are inconvenient to collect and clean, waste of the metal chips is caused, and in addition, the existing positioning fixture is inconvenient to clamp piston pins with different sizes in a positioning mode, so that the positioning fixture for piston pin machining is provided for solving the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a positioning clamp for piston pin machining, which solves the technical problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a piston pin adds clamping apparatus for processing, includes the base, the both sides at base top all are fixed with the riser, two the opposite side of riser all is fixed with electric telescopic handle, two electric telescopic handle's opposite end all is fixed with the connecting plate, two the opposite side of connecting plate all is provided with the arc and presss from both sides, two all be provided with the dismouting subassembly between arc clamp and the connecting plate, two the piston pin is held to the clamp between the arc, one side at base top is provided with automatic clearance mechanism, one side of base is fixed with the diaphragm, the collecting box has been placed at the top of diaphragm.

Preferably, the dismounting component comprises a T-shaped groove formed in the connecting plate, and a T-shaped block is connected to the inner surface of the T-shaped groove in a sliding manner.

Preferably, a fixing rod is fixed on one side of the T-shaped block, and one end of the fixing rod is fixed on one side of the arc-shaped clamp.

Preferably, the automatic cleaning mechanism comprises a bidirectional screw rod rotatably connected between opposite sides of two vertical plates, one end of the bidirectional screw rod penetrates through one of the vertical plates and extends to the outside of the vertical plate, one side of one vertical plate is fixed with a driving motor, and the output end of the driving motor is fixed with one end of the bidirectional screw rod through a coupler.

Preferably, both sides of the outer surface of the bidirectional screw rod are connected with moving blocks in a threaded manner, the bottoms of the two moving blocks are connected with the top of the base in a sliding manner, and one sides of the two moving blocks are connected with rotating rods in a rotating manner through rotating shafts.

Preferably, the top sliding connection of base has the pushing plate, two the one end of bull stick is all rotated through pivot and one side of pushing plate and is connected.

Advantageous effects

The utility model provides a positioning fixture for piston pin machining. Compared with the prior art, the method has the following beneficial effects:

(1) This positioning fixture is used in wrist-pin processing has realized dismantling the arc clamp of installation not unidimensional fast through the setting of dismouting subassembly, and it is convenient to carry out fine positioning clamp to the wrist-pin after the arc clamp with wrist-pin size looks adaptation to change, and the practicality is very strong.

(2) This positioning fixture is used in wrist-pin processing has realized carrying out automatic clearance fast and collecting to the metal piece that falls on the base behind the drilling through automatic clearance mechanism's setting, has avoided the waste of metal piece, and degree of automation is high, labour saving and time saving.

Drawings

FIG. 1 is a perspective view of an external structure of the present utility model;

FIG. 2 is a rear elevational view of the exterior structure of the present utility model;

FIG. 3 is a diagram showing the separation of a T-block and a T-slot according to the present utility model;

fig. 4 is a perspective view of an automated cleaning mechanism of the present utility model.

In the figure: 1. a base; 2. a riser; 3. an electric telescopic rod; 4. a connecting plate; 5. an arc clamp; 6. disassembling and assembling the assembly; 7. a piston pin; 8. an automated cleaning mechanism; 9. a cross plate; 10. a collection box; 61. a T-shaped groove; 62. a T-shaped block; 63. a fixed rod; 81. a two-way screw rod; 82. a driving motor; 83. a moving block; 84. a rotating rod; 85. and (5) pushing the material plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides three technical schemes: the method specifically comprises the following examples:

example 1

Referring to fig. 1-3, a positioning fixture for piston pin machining comprises a base 1, wherein vertical plates 2 are fixed on two sides of the top of the base 1, electric telescopic rods 3 are fixed on opposite sides of the two vertical plates 2, the two electric telescopic rods 3 are controlled by the same switch outside and are electrically connected with an external power supply, connecting plates 4 are fixed on opposite ends of the two electric telescopic rods 3, arc clamps 5 are arranged on opposite sides of the two connecting plates 4, the arc clamps 5 are matched with the size of a piston pin, dismounting assemblies 6 are arranged between the two arc clamps 5 and the connecting plates 4, piston pins 7 are clamped between the two arc clamps 5, an automatic cleaning mechanism 8 is arranged on one side of the top of the base 1, a transverse plate 9 is fixed on one side of the base 1, a collecting box 10 is arranged on the top of the transverse plate 9, and metal scraps under cleaning can be collected by the collecting box 10.

The dismounting assembly 6 comprises a T-shaped groove 61 formed in the connecting plate 4, and a T-shaped block 62 is connected to the inner surface of the T-shaped groove 61 in a sliding manner.

One side of T type piece 62 is fixed with dead lever 63, and the one end of dead lever 63 is fixed with one side of arc clamp 5, through the setting of dismouting subassembly 6, has realized dismantling the not unidimensional arc clamp 5 of installation fast, and it is convenient to carry out fine location clamp to piston pin 7 after the arc clamp 5 with piston pin 7 size looks adaptation to change, and the practicality is very strong.

Example 2

On the basis of embodiment 1, see fig. 4, the automatic cleaning mechanism 8 includes a bidirectional screw rod 81 rotatably connected between opposite sides of two risers 2, one end of the bidirectional screw rod 81 penetrates one of the risers 2 and extends to the outside of the risers 2, one side of one of the risers 2 is fixed with a driving motor 82, the driving motor 82 is a three-phase asynchronous motor, can perform forward and reverse rotation, can be controlled by an external switch, is electrically connected with an external power supply, and the output end of the driving motor 82 is fixed with one end of the bidirectional screw rod 81 through a coupling.

Two sides of the outer surface of the bidirectional screw rod 81 are respectively connected with a movable block 83 in a threaded manner, the bottoms of the two movable blocks 83 are respectively connected with the top of the base 1 in a sliding manner, and one sides of the two movable blocks 83 are respectively connected with a rotating rod 84 in a rotating manner through a rotating shaft.

The top sliding connection of base 1 has pushing plate 85, and one end of two bull sticks 84 all rotates through pivot and one side of pushing plate 85 to be connected, through the setting of automatic clearance mechanism 8, has realized carrying out automatic quick clearance and the collection to the metal piece that falls on base 1 after the drilling, has avoided the waste of metal piece, and degree of automation is high, labour saving and time saving.

Example 3

On the basis of embodiment 1 and embodiment 2, see fig. 1-4, in operation, the piston pin 7 is placed between two arc clamps 5, further start the electric telescopic rod 3, make the electric telescopic rod 3 drive two connecting plates 4 and arc clamps 5 to move oppositely, finally, two arc clamps 5 clamp and fix the piston pin 7, when the piston pin 7 with different sizes needs to be fixed and clamped, through upwards sliding out the T-shaped block 62, make the T-shaped block 62 slide out along the T-shaped groove 61, further replace the arc clamps 5 with the size matching with the piston pin 7, then insert the T-shaped block 62 into the T-shaped groove 61, thereby realize replacing arc clamps 5 with different sizes, further start the drilling tool of the external boring machine, drill the piston pin 7 when the cutter bar rotates at a high speed, drive the driving motor 82, make the driving motor 82 drive the bidirectional screw 81 to rotate, simultaneously, two moving blocks 83 drive the two rotating rods 84 to rotate and prop open, simultaneously, two rotating rods 84 drive the pushing plate 85 to slide forwards, and finally push the pushing plate 85 into the metal scraps 85 of the base 1 to clean and collect the metal scraps 10.

And all that is not described in detail in this specification is well known to those skilled in the art.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims (6)

1. The utility model provides a locating fixture is used in wrist pin processing, includes base (1), its characterized in that: the utility model discloses a collecting box, including base (1), connecting plate, connecting box (10), riser (2) are all fixed with to both sides at base (1) top, two the opposite side of riser (2) all is fixed with electric telescopic handle (3), two the opposite end of electric telescopic handle (3) all is fixed with connecting plate (4), two the opposite side of connecting plate (4) all is provided with arc clamp (5), two all be provided with dismouting subassembly (6) between arc clamp (5) and connecting plate (4), two the piston pin (7) are held to the clamp between arc clamp (5), one side at base (1) top is provided with automatic clearance mechanism (8), one side of base (1) is fixed with diaphragm (9), collecting box (10) have been placed at the top of diaphragm (9).

2. The positioning jig for piston pin machining according to claim 1, wherein: the dismounting assembly (6) comprises a T-shaped groove (61) formed in the connecting plate (4), and a T-shaped block (62) is connected to the inner surface of the T-shaped groove (61) in a sliding mode.

3. The positioning jig for piston pin machining according to claim 2, wherein: one side of the T-shaped block (62) is fixed with a fixing rod (63), and one end of the fixing rod (63) is fixed with one side of the arc-shaped clamp (5).

4. The positioning jig for piston pin machining according to claim 1, wherein: the automatic cleaning mechanism (8) comprises a bidirectional screw rod (81) which is rotationally connected between opposite sides of two vertical plates (2), one end of the bidirectional screw rod (81) penetrates through one of the vertical plates (2) and extends to the outside of the vertical plates (2), one side of one vertical plate (2) is fixedly provided with a driving motor (82), and the output end of the driving motor (82) is fixed with one end of the bidirectional screw rod (81) through a coupler.

5. The positioning jig for piston pin machining according to claim 4, wherein: two sides of the outer surface of the bidirectional screw rod (81) are connected with moving blocks (83) in a threaded mode, the bottoms of the two moving blocks (83) are connected with the top of the base (1) in a sliding mode, and one sides of the two moving blocks (83) are connected with rotating rods (84) in a rotating mode through rotating shafts.

6. The positioning jig for piston pin machining according to claim 5, wherein: the top sliding connection of base (1) has pushing away flitch (85), two the one end of bull stick (84) is all rotated through pivot and one side of pushing away flitch (85) and is connected.