CN218341448U

CN218341448U - Semi-circle key press fitting device

Info

Publication number: CN218341448U
Application number: CN202222061708.0U
Authority: CN
Inventors: 张绍全; 王继国; 张家庚
Original assignee: Chongqing Yunyang Crankshaft Co ltd
Current assignee: Chongqing Yunyang Crankshaft Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-01-20
Anticipated expiration: 2032-08-05

Abstract

The utility model provides a semi-circle key press fitting device, which relates to the technical field of semi-circle key installation and comprises a workbench, a support frame, two clamping structures and a pressure plate for pressing the semi-circle key; the support frame is arranged on the workbench, and the pressing plate is arranged on the support frame and can slide along the vertical direction; the clamping structure comprises a base and a fixed block, the base is arranged on a workbench, a semicircular placing groove is formed in the upper end of the base, supporting plates are vertically and fixedly arranged at two ends of the semicircular placing groove, two ends of the fixed block are respectively connected to the supporting plates in a sliding mode along the vertical direction, a semicircular pressing groove for pressing a part to the semicircular placing groove is formed in the bottom of the fixed block, and a notch of the semicircular pressing groove is arranged downwards. It has solved the problem that the manual installation semicircle key work efficiency that exists is low among the prior art.

Description

Semi-circle key press fitting device

Technical Field

The utility model relates to a woodruff key installation technical field especially relates to a woodruff key pressure equipment device.

Background

The semicircular key is one of keys, the upper surface of the semicircular key is a plane, the lower surface of the semicircular key is a semicircular arc surface, two side surfaces of the semicircular key are parallel, the semicircular key is commonly called a crescent key and is generally installed in a key groove at the end part of a shaft part (such as a crankshaft and a gear shaft) and is in interference fit with a key groove on the shaft, and the working surface of the semicircular key is two side surfaces and depends on the side surfaces to transmit torque. Most manufacturers for producing engines are manually operated to knock and assemble when installing the semicircular keys, and knock the semicircular keys placed in the key grooves through the handheld knocking rollers, so that the semicircular keys are in interference fit with the key grooves on the shaft, and the manual operation is easy to fatigue in assembly in a large-batch production environment.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a half-round key pressure equipment device, it has solved the problem that artifical installation half-round key work efficiency that exists is low among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a semi-circular key press fitting device comprises a workbench, a support frame, two clamping structures and a pressing plate for pressing a semi-circular key;

the support frame is arranged on the workbench, and the pressing plate is arranged on the support frame and can slide along the vertical direction;

the clamping structure comprises a base and a fixing block, the base is arranged on the workbench, a semicircular placing groove is formed in the upper end of the base, supporting plates are vertically and fixedly arranged at two ends of the semicircular placing groove, two ends of the fixing block are respectively connected to the supporting plates in a sliding mode in the vertical direction, a semicircular pressing groove for pressing parts to the semicircular placing groove is formed in the bottom of the fixing block, and a notch of the semicircular pressing groove is arranged downwards.

Compared with the prior art, the utility model discloses following beneficial effect has:

the two ends of the shaft part are supported and fixed through the two clamping structures, and then the pressing plate is used for press mounting the semicircular keys, so that the labor intensity of workers is effectively reduced, the installation is more convenient, and the processing efficiency is improved.

Preferably, the backup pad is equipped with the downward breach of opening, and the both ends of fixed block are equipped with the sliding plate, the sliding plate along vertical direction sliding connection in the breach, the bottom of sliding plate has set firmly the montant, be equipped with the displacement groove that supplies the montant to stretch into on the base, the cover is equipped with compression spring on the montant, just compression spring's both ends respectively with sliding plate, base rigid coupling.

Preferably, a semicircular rubber layer is arranged in the semicircular pressing groove.

Preferably, a connecting plate is fixedly connected between the two supporting plates, a telescopic cylinder is arranged on the connecting plate, and a telescopic end of the telescopic cylinder is fixedly connected with the upper end of the fixing block.

Preferably, be equipped with the cylinder on the support frame, the cylinder telescopic link stretch out downwards with pressure strip upper end rigid coupling, the pressure strip bottom is equipped with the semicircle keyway, the top of semicircle keyway is equipped with the magnet groove with semicircle keyway intercommunication, the magnet inslot is equipped with magnet.

Preferably, the bottom of the pressing plate is provided with an arc concave surface matched with the surface of the part.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic cross-sectional view of the overall structure of the embodiment of the present invention.

Fig. 2 is a schematic sectional view of a clamping structure according to an embodiment of the present invention.

Fig. 3 is a schematic view of a usage state of the pressing plate according to an embodiment of the present invention.

In the above drawings: 1. a work table; 2. a support frame; 3. a compression plate; 31. an arc-shaped concave surface; 41. a base; 411. a semicircular placing groove; 42. a fixed block; 421. a semicircular compaction groove; 4211. a semicircular rubber layer; 422. a sliding plate; 423. A vertical rod; 424. a compression spring; 43. a support plate; 431. a notch; 44. a displacement groove; 45. a connecting plate; 46. a telescopic cylinder; 5. a cylinder; 6. and a magnet.

Detailed Description

In order to make the technical means, creation features, achievement purposes and actions of the present invention clearer and easier to understand, the following technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1 to 3, an embodiment of the present invention provides a semi-circular key press-fitting device, which includes a workbench 1, a supporting frame 2, two clamping structures, and a pressing plate 3 for pressing down a semi-circular key; the support frame 2 is arranged on the workbench 1, and the pressing plate 3 is arranged on the support frame 2 and can slide along the vertical direction; the clamping structure comprises a base 41 and a fixing block 42, wherein the base 41 is arranged on the workbench 1, a semicircular placing groove 411 is formed in the upper end of the base 41, supporting plates 43 are vertically and fixedly arranged at two ends of the semicircular placing groove 411, two ends of the fixing block 42 are respectively connected to the supporting plates 43 in a sliding mode along the vertical direction, a semicircular pressing groove 421 used for pressing a part at the semicircular placing groove 411 is formed in the bottom of the fixing block 42, and a notch of the semicircular pressing groove 421 is arranged downwards.

When the semicircular key needs to be pressed into the shaft part, taking the gear shaft as an example, the two end parts of the gear shaft are supported and fixed through the clamping structure, and then the semicircular key is compressed through the compression plate 3; when the end part of the gear shaft is supported and fixed, two ends of the gear shaft are respectively positioned on the bases 41 of the two clamping structures, the size of the semicircular placing groove 411 of each base 41 is designed according to the diameter of the end part of the gear shaft, so that the semicircular placing groove 411 is completely contacted with the gear shaft, after the position of the gear shaft is adjusted, the fixing block 42 is controlled to move downwards, the size of the semicircular pressing groove 421 is also designed according to the diameter of the end part of the gear shaft, two ends of the gear shaft are fixed on the bases 41 by the fixing blocks 42, the semicircular key is conveniently pressed, and the position of the gear shaft is prevented from moving in the pressing process; the two ends of the shaft part are supported and fixed through the two clamping structures, and then the pressing plate 3 is used for press mounting the semicircular keys, so that the labor intensity of workers is effectively reduced, the installation is more convenient, and the processing efficiency is improved.

As shown in fig. 1 and 2, the supporting plate 43 is provided with a notch 431 with a downward opening, sliding plates 422 are arranged at two ends of the fixed block 42, the sliding plates 422 are slidably connected in the notch 431 along a vertical direction, a vertical rod 423 is fixedly arranged at the bottom of the sliding plates 422, a displacement slot 44 for the vertical rod 423 to extend into is arranged on the base 41, a compression spring 424 is sleeved on the vertical rod 423, and two ends of the compression spring 424 are fixedly connected with the sliding plates 422 and the base 41 respectively. The sliding plate 422 is slidably connected in the notch 431, so that the sliding of the supporting plate 43 is limited, and the sliding process is more stable; the compression spring 424 is arranged, the elastic force of the compression spring 424 plays a role of buffering, so that the sliding plate 422 slides downwards slowly, and damage caused by too large downward force is avoided; the vertical rod 423 is arranged for protecting the compression spring 424 and preventing the compression spring 424 from being damaged and deformed; the displacement groove 44 is arranged, and in the process that the sliding plate 422 moves upwards or downwards, the lower end of the vertical rod 423 is always positioned in the displacement groove 44, so that the compression spring 424 is ensured to be always sleeved on the vertical rod 423; during the downward sliding of the sliding plate 422, the vertical rod 423 moves downward and the compression spring 424 is compressed until it stops when the parts are pressed.

As shown in fig. 2, a semicircular rubber layer 4211 is provided in the semicircular pressing groove 421 to increase friction to press the part.

As shown in fig. 1 and 2, a connecting plate 45 is fixedly connected between the two supporting plates 43, a telescopic cylinder 46 is arranged on the connecting plate 45, and a telescopic end of the telescopic cylinder 46 is fixedly connected with an upper end of the fixing block 42. The up and down movement of the connecting plate 45 is controlled by the telescopic cylinder 46.

As shown in fig. 1 and 3, a cylinder 5 is arranged on the support frame 2, an expansion link of the cylinder 5 extends downwards to be fixedly connected with the upper end of the compacting plate 3, and the compacting plate 3 is controlled to be pressed downwards by the cylinder 5; 3 bottoms of pressure strip are equipped with the semicircle keyway, the top of semicircle keyway is equipped with the magnet groove with semicircle keyway intercommunication, the magnet inslot is equipped with magnet 6, and in figure 3, the circular cross-section of below shows the axle of part, and the magnetic force through magnet 6 adsorbs there is the semicircle key in the below of magnet 6, during the use, adsorbs the semicircle key in the below of magnet 6 earlier, and the semicircle key is located the semicircle keyway, has avoided the semicircle key to take place the condition of skew at the keyway in-process of impressing effectively, aligns the keyway with the semicircle key, and 3 downward movements of control pressure strip compress tightly, accomplish it carries out the pressure equipment to it.

As shown in fig. 3, the bottom of the pressing plate 3 is provided with an arc concave surface 31 matching with the surface of the part. When the pressure strip 3 is pressed down to a certain position, the arc-shaped concave surface 31 at the bottom of the pressure strip 3 is abutted to the surface of a part, the pressure strip 3 does not move down any more, and the situation that the semi-circular key is deformed due to too large force when the semi-circular key is pressed into the part by the pressure strip 3 is avoided.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a semicircle key pressure equipment device which characterized in that: comprises a workbench (1), a support frame (2), two clamping structures and a pressing plate (3) for pressing a semicircular key;

the supporting frame (2) is arranged on the workbench (1), and the pressing plate (3) is arranged on the supporting frame (2) and can slide along the vertical direction;

the clamping structure comprises a base (41) and a fixing block (42), wherein the base (41) is arranged on the workbench (1), a semicircular placing groove (411) is formed in the upper end of the base (41), supporting plates (43) are vertically and fixedly arranged at two ends of the semicircular placing groove (411), two ends of the fixing block (42) are respectively connected to the supporting plates (43) in a sliding mode in the vertical direction, a semicircular pressing groove (421) for pressing a part to the semicircular placing groove (411) is formed in the bottom of the fixing block (42), and a notch of the semicircular pressing groove (421) is arranged downwards.

2. A woodruff key press-fitting device according to claim 1, characterized in that: backup pad (43) are equipped with breach (431) that the opening is decurrent, and the both ends of fixed block (42) are equipped with sliding plate (422), sliding plate (422) are in along vertical direction sliding connection in breach (431), the bottom of sliding plate (422) has set firmly montant (423), be equipped with displacement groove (44) that supply montant (423) to stretch into on base (41), the cover is equipped with compression spring (424) on montant (423), just the both ends of compression spring (424) respectively with sliding plate (422), base (41) rigid coupling.

3. A woodruff key press-fitting device according to claim 1, wherein: a semicircular rubber layer (4211) is arranged in the semicircular pressing groove (421).

4. A woodruff key press-fitting device according to claim 1, wherein: two the rigid coupling has connecting plate (45) between backup pad (43), be equipped with telescopic cylinder (46) on connecting plate (45), telescopic cylinder (46) the flexible end with the upper end rigid coupling of fixed block (42).

5. A woodruff key press-fitting device according to claim 1, wherein: be equipped with on support frame (2) cylinder (5), cylinder (5) telescopic link stretch out downwards with pressure strip (3) upper end rigid coupling, pressure strip (3) bottom is equipped with the semicircle keyway, the top of semicircle keyway is equipped with the magnet groove with semicircle keyway intercommunication, be equipped with magnet (6) in the magnet groove.

6. A woodruff key press-fitting device according to claim 5, wherein: and an arc concave surface (31) matched with the surface of the part is arranged at the bottom of the pressing plate (3).