Automatic press-fitting equipment for crankshaft pin plug

Abstract

The utility model discloses automatic press fitting equipment for a crankshaft pin plug, and belongs to the technical field of crankshaft machining. The automatic press-fitting equipment comprises a workbench and a hydraulic telescopic rod, the hydraulic telescopic rod is fixedly installed above the workbench, the telescopic end of the hydraulic telescopic rod is fixedly connected with a pressing block, and the automatic press-fitting equipment further comprises two symmetrically-arranged first clamping plates and two symmetrically-arranged second clamping plates which are both installed above the workbench in a sliding mode. Wherein the workbench is provided with a first connecting part for driving the first clamping plate to be close to the positioning groove and a second connecting part for driving the second clamping plate to be close to the positioning groove, and when the first clamping plate is close to the positioning groove, the second connecting part drives the second clamping plate to be close to the positioning groove; the two first clamping plates are driven by the first connecting part to get close to the positioning groove, and meanwhile, the two second clamping plates are driven by the second connecting part to get close to the positioning groove, so that the crankshaft is doubly fixed, and the press-fitting quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to crankshaft processing technical field especially relates to a crankshaft pin plug automatic press fitting equipment. BACKGROUND

[0002] The motorcycle crankshaft is one of the key components of the engine, is used for converting piston movement into rotary power, is located in the engine interior, is usually located in the lower part of the engine, connects the piston and the crankshaft connecting rod, is provided with an oil hole on the crankshaft, and the oil hole is filled with lubricating oil, in order to prevent the leakage of lubricating oil, the plug needs to be press fitted in the oil hole, and currently, when the plug is press fitted, the crankshaft is positioned first, and the plug is pressed tightly after the crankshaft is positioned.

[0003] The existing crankshaft pin plug automatic press fitting equipment needs to fix the crankshaft when positioning the crankshaft, but single fixing is all single, the stability of single fixing is not high, the pressure applied in the process of press fitting is large, the crankshaft can be deviated in the process of press fitting, and the quality of press fitting is affected. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of crankshaft pin plug automatic press fitting equipment to solve the problem that the pressure applied in the process of press fitting is large, the stability of single fixing is not high, the crankshaft can be deviated in the process of press fitting, and the quality of press fitting is affected.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of crankshaft pin plug automatic press fitting equipment, including workbench and hydraulic telescopic rod, the hydraulic telescopic rod is fixedly installed at the top of workbench, the telescopic end of the hydraulic telescopic rod is fixedly connected with pressure block, the center of the workbench is provided with positioning slot, further include: two symmetrically arranged first clamping plates, are slidably installed at the top of workbench;Two symmetrically arranged second clamping plates, are slidably installed at the top of workbench, wherein, the workbench is respectively provided with the first connecting portion that drives first clamping plate to be close to positioning slot and the second connecting portion that drives second clamping plate to be close to positioning slot, when the first clamping plate is close to positioning slot, the second connecting portion drives second clamping plate to be close to positioning slot.

[0007] To drive first clamping plate to be close to positioning slot, preferably, the first connecting portion includes two symmetrically arranged first sliding grooves in the top of workbench, the inner wall of the first sliding groove is slidably installed with first sliding block, wherein, the first sliding block is fixedly connected with first wedge between the first clamping plate, the telescopic end of the hydraulic telescopic rod is connected with two symmetrically arranged second wedges, the inclined surface of the first wedge is opposite to the inclined surface of the second wedge.

[0008] In order to drive the second clamping plate to be close to the positioning groove, further, the second connecting part comprises two symmetrical second sliding grooves which are arranged on the top of the workbench, the inner wall of the second sliding groove is slidably connected with a second sliding block, the top of the second sliding block is fixedly connected with the bottom of the second clamping plate, one of the first sliding blocks is fixedly connected with a toothed plate, the workbench is rotatably connected with a gear ring, the gear ring is connected with the toothed plate, the gear ring is fixedly connected with two symmetrical connecting plates, and the connecting plates are rotatably connected with connecting rods.

[0009] In order to make the first sliding block stably slide in the first sliding groove, preferably, the first limiting rod is fixedly connected between the inner walls of the first sliding groove, the first sliding block is slidably connected with the first limiting rod, and the first spring is fixedly connected between the inner wall of the first sliding groove and the first sliding block.

[0010] In order to make the second sliding block stably slide in the second sliding groove, preferably, the second limiting rod is fixedly connected between the inner walls of the second sliding groove, and the second sliding block is slidably connected with the second limiting rod.

[0011] In order to make the second sliding block stably slide in the second sliding groove, preferably, the second limiting rod is fixedly connected between the inner walls of the second sliding groove, and the second sliding block is slidably connected with the second limiting rod.

[0012] Compared with the prior art, the utility model provides a kind of crankshaft pin plug automatic press equipment, with following beneficial effects:

[0013] 1、the crankshaft pin plug automatic press equipment, two first clamping plates are driven to be close to positioning groove by first connecting part, two second clamping plates are driven to be close to positioning groove by second connecting part, the crankshaft in positioning groove can be doubly fixed, and the quality of press is improved with high stability.

[0014] 2、the crankshaft pin plug automatic press equipment, the extension end of hydraulic telescopic rod drives the press block to continue to drop, the circular ring is driven to slide down in the circular rod and compresses second spring by connecting rod, can drive the press block to continue to press after fixing crankshaft, does not influence subsequent processing. ACCURACY OF DRAWINGS

[0015] Figure 1 it is a kind of crankshaft pin plug automatic press equipment's axis measurement structure schematic view that the utility model proposes;

[0016] Figure 2 it is a kind of crankshaft pin plug automatic press equipment's local structure schematic view that the utility model proposes;

[0017] Figure 3 A worktable structure schematic view of a crankshaft pin plug automatic press fitting equipment is provided in the utility model.

[0018] Figure 4 A second wedge block structure schematic view of a crankshaft pin plug automatic press fitting equipment is provided in the utility model.

[0019] In the figure: 1, worktable; 201, first clamping plate; 202, first sliding groove; 203, first sliding block; 204, first wedge block; 205, second wedge block; 301, second clamping plate; 302, second sliding groove; 303, second sliding block; 304, toothed plate; 305, gear ring; 306, connecting plate; 307, connecting rod; 4, hydraulic telescopic rod; 5, pressing block; 6, positioning groove; 7, first limiting rod; 8, first spring; 9, second limiting rod; 10, connecting rod; 11, circular ring; 12, circular rod; 13, limiting plate; 14, second spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] In the description of the utility model, it needs to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0022] Embodiment:

[0023] With reference to Figures 1-4 The utility model embodiment provides a kind of crankshaft pin plug automatic press fitting equipment, including worktable 1 and hydraulic telescopic rod 4, hydraulic telescopic rod 4 is fixedly installed above worktable 1, the telescopic end of hydraulic telescopic rod 4 is fixedly connected with pressing block 5, and the center of worktable 1 is provided with positioning groove 6, further include: two symmetrically arranged first clamping plate 201, are slidably installed above worktable 1;Two symmetrically arranged second clamping plate 301, are slidably installed above worktable 1, wherein, worktable 1 is respectively provided with the first connecting portion of driving first clamping plate 201 close to positioning groove 6 and the second connecting portion of driving second clamping plate 301 close to positioning groove 6, when first clamping plate 201 is close to positioning groove 6, second connecting portion drives second clamping plate 301 close to positioning groove 6.

[0024] Specifically, first, the crankshaft is placed into the positioning groove 6, the hydraulic telescopic rod 4 is started, the two first clamping plates 201 are driven to approach the positioning groove 6 through the first connecting part, and the two second clamping plates 301 are driven to approach the positioning groove 6 through the second connecting part, so that the crankshaft in the positioning groove 6 is fixed doubly, the stability is high, and the quality of the press-fitting is improved. Then, the plug is connected in the plug hole of the crankshaft, and the pressure block 5 is driven by the telescopic end of the hydraulic telescopic rod 4 to continue to press down, so that the plug is pressed tightly.

[0025] The first connecting part comprises two symmetrical first sliding grooves 202 arranged on the top of the workbench 1, and first sliding blocks 203 are slidingly installed on the inner walls of the first sliding grooves 202. The first sliding blocks 203 are fixedly connected with the first clamping plates 201 through first wedge-shaped blocks 204. The telescopic end of the hydraulic telescopic rod 4 is connected with two symmetrical second wedge-shaped blocks 205. The inclined surfaces of the first wedge-shaped blocks 204 and the second wedge-shaped blocks 205 are opposite.

[0026] Specifically, the telescopic end of the hydraulic telescopic rod 4 drives the second wedge-shaped blocks 205 to descend. After the inclined surfaces of the second wedge-shaped blocks 205 and the first wedge-shaped blocks 204 are in contact, the first wedge-shaped blocks 204 drive the first sliding blocks 203 to slide in the first sliding grooves 202, and simultaneously drive the first clamping plates 201 to approach the crankshaft.

[0027] The second connecting part comprises two symmetrical second sliding grooves 302 arranged on the top of the workbench 1, and second sliding blocks 303 are slidingly installed on the inner walls of the second sliding grooves 302. The top of the second sliding blocks 303 is fixedly connected with the bottom of the second clamping plates 301. One of the first sliding blocks 203 is fixedly connected with a toothed plate 304. The workbench 1 is rotatably installed with a gear ring 305, the gear ring 305 is in meshing connection with the toothed plate 304, the gear ring 305 is fixedly connected with two symmetrical connecting plates 306, and the two connecting plates 306 are respectively rotatably connected with connecting rods 307 through the two second sliding blocks 303.

[0028] Specifically, in the process that the first sliding blocks 203 approach the positioning groove 6, the gear ring 305 is driven to rotate through the toothed plate 304, the connecting plates 306 are driven to rotate through the gear ring 305, the connecting rods 307 are driven to rotate through the connecting plates 306, and the second sliding blocks 303 and the second clamping plates 301 thereon are driven to approach the positioning groove 6 along the second sliding grooves 302 through the connecting rods 307.

[0029] The inner walls of the first sliding grooves 202 are fixedly connected with first limiting rods 7, the first sliding blocks 203 are slidingly connected with the first limiting rods 7, and the inner walls of the first sliding grooves 202 and the first sliding blocks 203 are fixedly connected with first springs 8. The first limiting rods 7 are used for limiting the first sliding blocks 203 to prevent the first sliding blocks 203 from falling down. The first springs 8 are used for enabling the first sliding blocks 203 to drive the first clamping plates 201 to reset after the machining is completed, so that subsequent machining is facilitated.

[0030] The inner walls of the second sliding groove 302 are fixedly connected with a second limiting rod 9, and the second sliding block 303 is in sliding connection with the second limiting rod 9, and the second limiting rod 9 is used for limiting the second sliding block 303 to prevent the second sliding block 303 from falling.

[0031] The telescopic end of the hydraulic telescopic rod 4 is fixedly connected with two symmetrical connecting rods 10, the connecting rods 10 are fixedly connected with a circular ring 11, the top of the second wedge block 205 is fixedly connected with a circular rod 12, wherein the circular ring 11 is in sliding connection with the circular rod 12, the top of the circular rod 12 is fixedly connected with a limiting plate 13, the second spring 14 is fixedly connected between the circular ring 11 and the second wedge block 205, and the hydraulic telescopic rod 4 can drive the pressing block 5 to press the plug and fix the crankshaft before the pressing block 5 is pressed tightly, and the hydraulic telescopic rod 4 can still drive the pressing block 5 to continue to press after the crankshaft is fixed.

[0032] Specifically, after the crankshaft is fixed, the telescopic end of the hydraulic telescopic rod 4 drives the pressing block 5 to continue to descend, and the circular ring 11 is driven by the connecting rod 10 to slide downward on the circular rod 12 and compress the second spring 14.

[0033] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A crankshaft pin plug automatic press-fitting equipment, comprising a workbench (1) and a hydraulic telescopic rod (4), the hydraulic telescopic rod (4) is fixedly installed above the workbench (1), the telescopic end of the hydraulic telescopic rod (4) is fixedly connected with a pressing block (5), and a positioning groove (6) is formed in the center of the workbench (1), characterized in that, Also include: Two symmetrically arranged first clamping plate (201), both slidingly installed on the workbench (1) above; Two symmetrically arranged second clamping plate (301), both slidingly installed on the workbench (1) above, Wherein, the workbench (1) is respectively provided with the first connecting part for driving the first clamping plate (201) to approach the positioning groove (6) and the second connecting part for driving the second clamping plate (301) to approach the positioning groove (6), when the first clamping plate (201) approaches the positioning groove (6), the second connecting part drives the second clamping plate (301) to approach the positioning groove (6).

2. The automatic press fitting apparatus for a crankshaft pin boss according to claim 1, wherein The first connecting part includes two symmetrically arranged first sliding slot (202) on the top of the workbench (1), the inner wall of the first sliding slot (202) is slidingly installed with the first sliding block (203), Wherein, the first sliding block (203) and the first clamping plate (201) are fixedly connected with the first wedge block (204), the telescopic end of the hydraulic telescopic rod (4) is connected with two symmetrically arranged second wedge block (205), the inclined surface of the first wedge block (204) is opposite to the inclined surface of the second wedge block (205).

3. The automatic press fitting apparatus for a crankshaft pin boss according to claim 2, characterized by The second connecting part includes two symmetrically arranged second sliding slot (302) on the top of the workbench (1), the inner wall of the second sliding slot (302) is slidingly installed with the second sliding block (303), the top of the second sliding block (303) is fixedly connected with the bottom of the second clamping plate (301), one of the first sliding block (203) is fixedly connected with the toothed plate (304), Wherein, the workbench (1) is rotatably installed with the gear ring (305), the gear ring (305) is meshingly connected with the toothed plate (304), the gear ring (305) is fixedly connected with two symmetrically arranged connecting plates (306), two connecting rods (307) are rotatably connected between the two connecting plates (306) and the two second sliding blocks (303) respectively.

4. The automatic press fitting apparatus for a crankshaft pin boss according to claim 2, characterized by The inner wall of the first sliding slot (202) is fixedly connected with the first limiting rod (7), the first sliding block (203) is slidingly connected with the first limiting rod (7), the inner wall of the first sliding slot (202) and the first sliding block (203) are fixedly connected with the first spring (8).

5. The automatic press fitting apparatus for a crankshaft pin boss according to claim 3, characterized by The inner wall of the second sliding slot (302) is fixedly connected with the second limiting rod (9), the second sliding block (303) is slidingly connected with the second limiting rod (9).

6. The automatic press fitting apparatus for a crankshaft pin boss according to claim 2, characterized by The telescopic end of the hydraulic telescopic rod (4) is fixedly connected with two symmetrically arranged connecting rods (10), the connecting rod (10) is fixedly connected with the circular ring (11), the top of the second wedge block (205) is fixedly connected with the circular rod (12), Wherein, the circular ring (11) and the circular rod (12) are slidingly connected, the top of the circular rod (12) is fixedly connected with the limiting plate (13), the circular ring (11) and the second wedge block (205) are fixedly connected with the second spring (14).

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