CN209850282U

CN209850282U - Pin shaft press-in jig

Info

Publication number: CN209850282U
Application number: CN201920614097.3U
Authority: CN
Inventors: 廖秀琴
Original assignee: Chuangli Gaomechatronics (shenzhen) Co Ltd
Current assignee: Chuangli Gaomechatronics (shenzhen) Co Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2019-12-27
Anticipated expiration: 2029-04-29

Abstract

The utility model belongs to the technical field of the tool technique and specifically relates to a tool of impressing of round pin axle is related to, it includes the workstation, install actuating mechanism on the workstation and be used for fixed rotation piece and round pin axle and with the positioning mechanism that actuating mechanism cooperation was used, actuating mechanism including install mounting panel on the workstation, install on the mounting panel and with the mounting panel rotate the lead screw of connecting, with lead screw threaded connection and follow the drive assembly that the lead screw removed with install in the rotation wheel of lead screw one end, the last ejector pin that is used for promoting the round pin axle of installing of drive assembly. Because the moving direction of ejector pin is unanimous with the extending direction of round pin axle, therefore the round pin axle can accomplish under less deformation with the assembly that rotates the piece, simultaneously, through the screw rod transmission's mode, the moving speed of ejector pin is controlled easily, and has the dead effect of reverse lock, has improved the assembly efficiency of round pin axle with the rotation piece.

Description

Pin shaft press-in jig

Technical Field

The utility model belongs to the technical field of the tool technique and specifically relates to a tool of impressing of round pin axle is related to.

Background

Many rotating parts such as gears and rotating blades are driven by pins to rotate, and in order to keep the pins and the rotating parts tightly matched, the rotating parts and the pins are usually in interference fit.

In the prior art, a manual striking mode is often adopted, and the pin shaft is arranged on the rotating part in a penetrating mode. This arrangement nevertheless enables the connection of the rotor to the pin.

However, the connection is performed by means of the tapping of an operator, and the operator cannot ensure that the force application point and the force application direction are consistent with the axis of the pin shaft every time, so that the pin shaft is easy to bend or deform under the action of continuous tapping, and the pin shaft is eccentric or abraded in the use and rotation process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tool of impressing of round pin axle, its advantage lies in, and the round pin axle atress is even, and the back that finishes is installed, rotates piece and round pin axle job stabilization.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a tool of impressing of round pin axle, includes the workstation, install actuating mechanism on the workstation and be used for the fixed rotation piece and round pin axle and with actuating mechanism cooperation positioning mechanism who uses, actuating mechanism including install the mounting panel on the workstation, install on the mounting panel and with the mounting panel rotate the lead screw of connecting, with lead screw threaded connection and follow the drive assembly that the lead screw removed and install the rotation wheel in lead screw one end, the last ejector pin that is used for promoting the round pin axle that installs of drive assembly.

By adopting the technical scheme, the rotating part and the pin shaft are fixedly arranged on the positioning mechanism, the shaft hole of the rotating part is opposite to the pin shaft, an operator rotates the rotating wheel to drive the screw rod to rotate, the driving assembly drives the ejector rod to move, and the ejector rod pushes the pin shaft, so that the pin shaft is gradually arranged in the shaft hole of the rotating part. Because the moving direction of ejector pin is unanimous with the extending direction of round pin axle, therefore the round pin axle can accomplish under less deformation with the assembly that rotates the piece, simultaneously, through the screw rod transmission's mode, the moving speed of ejector pin is controlled easily, and has the dead effect of reverse lock, has improved the assembly efficiency of round pin axle with the rotation piece.

Preferably, the driving assembly comprises a first driving block in threaded connection with the screw rod, a second driving block mounted on the first driving block, and a sliding rail arranged on the workbench, and the second driving block is in sliding connection with the sliding rail.

Through adopting above-mentioned technical scheme, because drive assembly includes first drive block and second drive block, therefore can use the second drive block of corresponding adaptation according to rotating the difference of piece and round pin axle kind and size to make this tool can be nimble rotate the piece and the round pin axle assembles the use to multiple. Through the setting of slide rail, improved the stability that drive assembly removed.

Preferably, a sliding groove is formed in the bottom of the second driving block, a limiting block is arranged on the side wall of the sliding groove, and a limiting groove for the limiting block to be embedded is formed in the side wall of the sliding rail.

Through adopting above-mentioned technical scheme, when the second drive block removed along the slide rail, because the stopper inlays and locates the spacing inslot, the stopper slides along the spacing groove under the drive of second drive block, has increased the area of contact of sliding tray with the slide rail, has improved the stability that the second drive block removed.

Preferably, the bottom of the sliding groove is provided with a wear pad.

Through adopting above-mentioned technical scheme, through the setting of wearing pad, prevent the bottom and the slide rail direct contact of sliding tray to prevent the wearing and tearing of sliding tray, prolonged the life of sliding tray.

Preferably, one side of the second driving block, which faces the positioning mechanism, is provided with a mounting hole, one end of the ejector rod is provided with a mounting block, and the mounting block is embedded in the mounting hole.

By adopting the technical scheme, the installation block is embedded in the installation hole through the arrangement of the installation block and the installation hole, and the side wall of the installation block is abutted against the inner wall of the installation hole, so that the installation stability of the ejector rod is improved; meanwhile, the ejector rod is convenient to mount and dismount, and the use is convenient.

Preferably, the mounting hole is a through hole, a locking hole is formed in the end of the mounting block, and the mounting hole and the locking hole are fixedly connected through a bolt.

By adopting the technical scheme, the end part of the mounting block is provided with the locking hole, and meanwhile, the locking hole and the mounting hole can be connected through the bolt due to the fact that the mounting hole is the through hole, so that the stability and the reliability of connection of the ejector rod and the second driving block are improved.

Preferably, the positioning mechanism comprises a base, and a first clamping plate and a second clamping plate which are arranged on the base, wherein a clamping groove parallel to the extending direction of the screw rod is formed between the first clamping plate and the second clamping plate.

Through adopting above-mentioned technical scheme, formed a centre gripping groove through setting up of first splint and second splint, the round pin axle with rotate the usable centre gripping groove of piece and carry out the centre gripping fixed, rotate also usable bolt fastening of piece on first splint and the second splint.

Preferably, the workbench is provided with a positioning groove, and the bottom of the base is provided with a positioning block embedded in the positioning groove.

Through adopting above-mentioned technical scheme, inlay through the locating piece and locate in the constant head tank, the lateral wall of locating piece laminates with the inner wall of constant head tank mutually to make constant head tank and locating piece play the positioning action to the base, improved positioning mechanism's stability.

Preferably, one end of the clamping groove, which is far away from the ejector rod, is provided with a baffle plate.

Through adopting above-mentioned technical scheme, through the setting of baffle, rotate the piece except that relying on the centre gripping groove to carry out the centre gripping, can also the butt on the baffle, be convenient for insert the butt atress that rotates the piece when rotating at the round pin axle.

Preferably, the ejector rod is provided with an ejector block at the center close to one side of the positioning mechanism, and the diameter of the ejector block is smaller than that of the ejector rod.

Through adopting above-mentioned technical scheme, because the diameter of kicking block is less than the diameter of ejector pin, so polish the terminal surface of messenger's ejector pin and the contact surface of round pin axle is parallel to make ejector pin and round pin axle be the face contact, make the atress of round pin axle more even to the ejector pin.

To sum up, the utility model discloses a beneficial technological effect does:

because the moving direction of ejector pin is unanimous with the extending direction of round pin axle, therefore the round pin axle can accomplish under less deformation with the assembly that rotates the piece, simultaneously, through the screw rod transmission's mode, the moving speed of ejector pin is controlled easily, and has the dead effect of reverse lock, has improved the assembly efficiency of round pin axle with the rotation piece.

Drawings

Fig. 1 is a schematic structural view of a shaft pin press-in jig.

Fig. 2 is a schematic view of the installation of the second driving block and the slide rail.

Fig. 3 is a schematic view of the installation of the ram and the second driving block.

Fig. 4 is an enlarged view at a in fig. 1.

Fig. 5 is a schematic structural view of the jack.

In the figure, 1, a workbench; 11. positioning a groove; 2. a drive mechanism; 21. mounting a plate; 22. a screw rod; 23. a drive assembly; 231. a first driving block; 232. a second driving block; 2321. a sliding groove; 2322. a limiting block; 2323. a wear pad; 2325. mounting holes; 24. a slide rail; 241. a limiting groove; 25. a top rod; 251. mounting blocks; 252. a top block; 253. a locking hole; 3. a positioning mechanism; 31. a base; 311. positioning blocks; 32. a first splint; 33. a second splint; 34. a clamping groove; 35. and a baffle plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a tool of impressing of round pin axle, including workstation 1, actuating mechanism 2 and positioning mechanism 3, actuating mechanism 2 installs on workstation 1, and positioning mechanism 3 is used for fixed rotation piece and round pin axle and uses with actuating mechanism 2 cooperation.

The driving mechanism 2 comprises two mounting plates 21, a screw rod 22 and a driving assembly 23, the two mounting plates 21 are welded on the workbench 1 along the vertical direction, and the screw rod 22 is rotatably connected between the two mounting plates 21. The driving assembly 23 includes a first driving block 231 screw-coupled with the lead screw 22 and a second driving block 232 mounted at one side of the first driving block 231. A slide rail 24 which is parallel to the screw rod 22 and has the same length is fixedly arranged on the workbench 1 through a bolt.

Referring to fig. 1 and 2, a sliding groove 2321 is formed at the bottom of the second driving block 232, and the second driving block 232 is slidably connected to the sliding rail 24 through the sliding groove 2321. The left and right side walls of the sliding groove 2321 are provided with limit blocks 2322, and the surfaces of the limit blocks 2322 are arc-shaped. The left side and the right side of the slide rail 24 are provided with limiting grooves 241 for the limiting blocks 2322 to be embedded, and the surfaces of the limiting grooves 241 are arc-shaped and are attached to the surfaces of the limiting blocks 2322. The limiting block 2322 can be driven by the second driving block 232 to slide along the limiting groove 241, so that the contact area between the sliding groove 2321 and the sliding rail 24 is increased, and the moving stability of the second driving block 232 is improved.

The bottom and the side wall of the sliding groove 2321 are further provided with a wear pad 2323, the wear pad 2323 is made of a wear-resistant material, and the wear pad 2323 in this embodiment is made of a chromium carbide metal material. The wear pad 2323 is shaped to fit the sliding slot 2321 and is fixed in the sliding slot 2321 by bolts. The wear pad 2323 prevents the bottom of the sliding groove 2321 from directly contacting the slide rail 24, thereby preventing wear of the sliding groove 2321 and prolonging the service life of the sliding groove 2321.

Referring to fig. 3, a mounting hole 2325 is opened on one side of the second driving block 232 facing the positioning mechanism 3, and the top rod 25 is installed in the mounting hole 2325. The top rod 25 is cylindrical, one end of the top rod 25 is provided with a mounting block 251, and the mounting block 251 is embedded in the mounting hole 2325. The mounting hole 2325 is a through hole, and a locking hole 253 corresponding to the mounting hole 2325 is formed at the center of the mounting block 251. The through hole and the locking hole 253 are fixedly connected by a bolt.

The positioning mechanism 3 includes a base 31 attached to the table 1, and a first clamp plate 32 and a second clamp plate 33 attached to the base 31. Three positioning grooves 11 are formed in the workbench 1, and the opening direction of the positioning grooves 11 is perpendicular to the moving direction of the driving assembly 23. The bottom of base 31 corresponds is provided with three locating piece 311, and locating piece 311 inlays and locates in constant head tank 11, and the lateral wall of locating piece 311 laminates with the inner wall of constant head tank 11 mutually to make constant head tank 11 and locating piece 311 play the positioning action to base 31, improved positioning mechanism 3's stability.

Referring to fig. 4, the first clamping plate 32 and the second clamping plate 33 are respectively installed at two sides of the top of the base 31, a clamping groove 34 is formed between the first clamping plate 32 and the second clamping plate 33, and the extending direction of the clamping groove 34 is consistent with the extending direction of the screw rod 22. The pin and the rotating member can be retained by the retaining groove 34, and the rotating member can be fixed to the first clamping plate 32 and the second clamping plate 33 by bolts. The end of the clamping groove 34 far away from the mandril 25 is fixed with a baffle 35 (refer to figure 1) through a bolt, and the rotating piece can be abutted against the baffle 35 besides being clamped by the clamping groove 34, so that the abutting stress of the rotating piece when the pin shaft is inserted into the rotating piece is facilitated.

The ejector rod 25 is provided with a top block 252 at the center close to one side of the positioning mechanism 3 (refer to fig. 1), the positioning block 311 is also cylindrical, the diameter of the top block 252 is smaller than that of the ejector rod 25, so that the end face of the top block 252 is polished to enable the ejector rod 25 to be parallel to the contact surface of the pin shaft, the ejector rod 25 is in surface contact with the pin shaft, and the stress of the pin shaft is more uniform.

The implementation principle of the embodiment is as follows: when the positioning mechanism is used, the rotating piece and the pin shaft are fixedly arranged on the positioning mechanism 3, the shaft hole of the rotating piece is opposite to the pin shaft, an operator rotates the rotating wheel to drive the screw rod 22 to rotate, the driving assembly 23 drives the ejector rod 25 to move, and the ejector rod 25 pushes the pin shaft, so that the pin shaft is gradually arranged in the shaft hole of the rotating piece. Because the moving direction of ejector pin 25 is unanimous with the extending direction of round pin axle, therefore the round pin axle can accomplish under less deformation with the assembly that rotates the piece, simultaneously, through the driven mode of lead screw 22, the moving speed of ejector pin 25 is controlled easily, and has the dead effect of reverse lock, has improved the assembly efficiency of round pin axle and rotation piece.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a tool of impressing of round pin axle which characterized in that: including workstation (1), install actuating mechanism (2) on workstation (1) and be used for fixed rotation piece and round pin axle and with positioning mechanism (3) that actuating mechanism (2) cooperation was used, actuating mechanism (2) including install mounting panel (21) on workstation (1), install on mounting panel (21) and with mounting panel (21) rotate lead screw (22) of connecting, with lead screw (22) threaded connection and follow drive assembly (23) that lead screw (22) removed, install ejector pin (25) that are used for promoting the round pin axle on drive assembly (23).

2. The pressing jig for the pin shaft according to claim 1, wherein: the driving assembly (23) comprises a first driving block (231) in threaded connection with the screw rod (22), a second driving block (232) installed on the first driving block (231) and a sliding rail (24) arranged on the workbench (1), and the second driving block (232) is in sliding connection with the sliding rail (24).

3. The press-in jig for the pin shaft according to claim 2, wherein: a sliding groove (2321) is formed in the bottom of the second driving block (232), a limiting block (2322) is arranged on the side wall of the sliding groove (2321), and a limiting groove (241) for the limiting block (2322) to be embedded is formed in the side wall of the sliding rail (24).

4. The pressing jig for the pin shaft according to claim 3, wherein: and a wear pad (2323) is arranged at the bottom of the sliding groove (2321).

5. The press-in jig for the pin shaft according to claim 2, wherein: one side, facing the positioning mechanism (3), of the second driving block (232) is provided with an installation hole (2325), one end of the ejector rod (25) is provided with an installation block (251), and the installation block (251) is embedded in the installation hole (2325).

6. The pressing jig for the pin shaft according to claim 5, wherein: the mounting hole (2325) is a through hole, a locking hole (253) is formed in the end of the mounting block (251), and the mounting hole (2325) and the locking hole (253) are fixedly connected through a bolt.

7. The pressing jig for the pin shaft according to claim 1, wherein: the positioning mechanism (3) comprises a base (31), a first clamping plate (32) and a second clamping plate (33) which are arranged on the base (31), wherein a clamping groove (34) parallel to the extending direction of the screw rod (22) is formed between the first clamping plate (32) and the second clamping plate (33).

8. The pressing jig for the pin shaft according to claim 7, wherein: the positioning groove (11) is formed in the workbench (1), and the positioning block (311) embedded in the positioning groove (11) is arranged at the bottom of the base (31).

9. The pressing jig for the pin shaft according to claim 7, wherein: and a baffle plate (35) is arranged at one end of the clamping groove (34) far away from the ejector rod (25).

10. The pressing jig for the pin shaft according to claim 1, wherein: the center of the ejector rod (25) close to one side of the positioning mechanism (3) is provided with an ejector block (252), and the diameter of the ejector block (252) is smaller than that of the ejector rod (25).