Engine balance shaft positioning tool

Abstract

The utility model discloses an engine balance shaft positioning tool which comprises a bottom plate, a stable clamping mechanism, a pressing block quick-changing mechanism and a clamping auxiliary mechanism, and the stable clamping mechanism comprises a sliding rail, a sliding block, a driving motor, a driving rod, a driven rod and a pressure spring frame. The pressing block quick-changing mechanism comprises a longitudinal plate, a clamping pipe, a clamping rod, a gradient groove, a rotating disc, a clamping groove, a locking rod and a pressing block, the stable clamping mechanism ensures that the balance shaft body is stably clamped on the containing plate, vibration and looseness are reduced, the operation precision and reliability are improved, the pressing block quick-changing mechanism achieves quick mounting and dismounting of the pressing block, and the service life of the balance shaft body is prolonged. The operation process is simplified, the replacement efficiency is improved, the clamping auxiliary mechanism assists rotation of the rotary disc, the stretching-in process of the lock rod and the fixing process of the clamping rod are smoother, and the operation convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to balance shaft positioning technical field, more specifically, it relates to a kind of engine balance shaft positioning tool. BACKGROUND

[0002] A kind of engine balance shaft positioning tool is a tool specially designed to ensure the correct installation and positioning of balance shaft in engine assembly process, and the balance shaft plays an important role in reducing vibration, improving running stability and prolonging the life of engine, therefore, the correct installation and positioning of balance shaft is crucial to the performance of engine.

[0003] In the prior art, firstly, part of the device cannot ensure the stable clamping of the balance shaft body on the placement plate, which can easily cause the balance shaft body to move or loosen during operation, affecting the precision and reliability of operation, the pressing block cannot be accurately pressed to the side wall of the balance shaft body, increasing the difficulty and uncertainty of operation, increasing the operation time and labor intensity, and reducing the work efficiency, secondly, part of the device cannot realize the quick replacement of the pressing block, and the pressing block needs to be manually disassembled and installed, increasing the operation time and labor intensity, the installation and disassembly process of the pressing block is complex, reducing the convenience of operation, and the fixing effect of the pressing block is unstable, which can easily loosen during operation, affecting the precision and reliability of operation. SUMMARY

[0004] In view of the problems existing in the prior art, the utility model provides an engine balance shaft positioning tool to solve the technical problems that the stable clamping of the balance shaft body on the placement plate cannot be ensured and the quick replacement of the pressing block cannot be realized in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an engine balance shaft positioning tool, comprising a base plate, a stable clamping mechanism, a pressing block quick replacement mechanism and a clamping auxiliary mechanism, the stable clamping mechanism comprises a sliding rail, a sliding block, a drive motor, a driving rod, a driven rod and a compression spring holder, the sliding rail is installed on the base plate, the sliding block is directionally slidingly arranged on the sliding rail, the driving rod is installed on the output end of the drive motor, the driven rod is rotationally connected with the driving rod, the driven rod is connected with the side surface of the sliding block, the compression spring holder is installed on the top end of the sliding block, the pressing block quick replacement mechanism comprises a longitudinal plate, a clamping pipe, a clamping rod, a slope slot, a rotating disc, a clamping groove, a locking rod and a pressing block, the longitudinal plate is installed on the top end and the bottom end of the compression spring holder and the pressing block, the clamping pipe is fixedly installed on one end surface of the longitudinal plate, the rotating disc is rotationally arranged on the outer wall of the clamping pipe, the slope slot is arranged on the rotating disc, one end of the locking rod is rotationally arranged in the slope slot, and the locking rod is transversely slidingly arranged on the side wall of the clamping pipe, so that the locking rod extends into the clamping groove in the side wall of the clamping rod.

[0006] The utility model further sets up, the auxiliary mechanism of clamping includes screw ring, rotating block, reset around spring rod and extends into the piece, around spring rod cooperation installation is established on the outer wall of clamping pipe, a plurality of rotating blocks rotate and slide on reset around spring rod, the inner wall of screw ring is connected with the outer wall of clamping pipe cooperation screw, a plurality of extends into the piece and installs on the lateral wall of screw ring, and one end of extends into the piece can extend into one end of rotating block, makes a plurality of rotating blocks linkage rotation, and one end of rotating block is connected with the cooperation of carousel.

[0007] The utility model further sets up, the top end surface of bottom plate installs the mounting bracket, and mounting bracket sets up a plurality of, and drive motor installs on mounting bracket, and mounting bracket ensures the stable installation of drive motor, improves the reliability of operation.

[0008] The utility model further sets up, the top end surface of bottom plate installs the mounting bracket, and mounting bracket sets up a plurality of, and drive motor installs on mounting bracket, and mounting bracket ensures the stable installation of drive motor, improves the reliability of operation.

[0009] The utility model further sets up, the side wall bottom end of clamping pipe installs the connecting plate, and the connecting plate fixed mounting is established on the one end surface of longitudinal plate, and the connecting plate ensures the stable installation of clamping pipe, improves the reliability of operation.

[0010] The utility model further sets up, one end of clamping rod extends through two longitudinal plates, and is set up with the cooperation of clamping pipe quick clamping, and clamping rod is set up with the cooperation of clamping pipe quick clamping, realizes the quick replacement of compression block, improves the replacement efficiency of compression block, improves the convenience of operation.

[0011] The utility model further sets up, the inner wall top end of clamping pipe installs the stable spring, and one end of clamping rod extends into clamping pipe and presses to the stable spring, and the stable spring provides the reset force of clamping rod, improves the reliability of operation.

[0012] The utility model further sets up, the bottom end surface of bottom plate installs the support around, and the support ensures the stable placement of tooling, improves the safety and reliability of operation.

[0013] Beneficial effects:

[0014] Compared with the prior art, the utility model provides a kind of engine balance shaft positioning tooling, with following beneficial effects:

[0015] The utility model discloses a stable clamping mechanism is provided, through the cooperation of slide rail, sliding block, driving motor, driving rod, driven rod and compression spring frame, ensure the stable clamping of balance shaft body on the placing plate, reduce vibration and slack, improve the precision and reliability of operation, the clamping mechanism of automation is driven through the drive of driving motor, can accurate adjustment compression spring frame's position, ensure that the compression block is accurately pressed to the lateral wall of balance shaft body, improve the reliability and consistency of operation, through the clamping process of automation and mechanization, reduced the time of manual adjustment and fixed, improved operating efficiency, reduced labor intensity.

[0016] The utility model discloses a compression block quick change mechanism is provided, through the cooperation of longitudinal board, joint pipe, joint rod, gradient groove, carousel, card slot, lock rod and compression block, realized the quick installation and disassembly of compression block, simplified the operation process, improved the replacement efficiency, through the cooperation of rotating carousel and lock rod, quick fixed and released joint rod, make the installation and disassembly process of compression block simple and fast, improved the convenience of operation, through the quick joint of joint rod and joint pipe, ensure the fixed effect stability of compression block, reduce the risk of slack in the operation process, improve the reliability of operation.

[0017] The utility model discloses a joint auxiliary mechanism is provided, through the cooperation of screw ring, rotary block, reset around spring rod and extension block, auxiliary carousel's rotation, make the extension of lock rod and the fixed process of joint rod more smooth, improved the convenience of operation, through the linkage rotation of multiple rotary blocks, ensure the rotation stability of carousel, improve the extension of lock rod and the fixed effect of joint rod, strengthen the reliability of operation, through the rotation screw ring and link multiple rotary blocks, reduced the operation step and time, improved the work efficiency, ensure the efficient operation of operation. ACCURACY

[0018] Figure 1 For the overall structure schematic diagram of the device in the utility model in unused state;

[0019] Figure 2 For the structure schematic diagram of the device in the utility model under the top view;

[0020] Figure 3 For the structure schematic diagram of stable clamping mechanism in the utility model;

[0021] Figure 4 For the structure schematic diagram of compression block quick change mechanism and joint auxiliary mechanism in the utility model;

[0022] Figure 5 For the structure schematic diagram of the inside of compression block quick change mechanism and joint auxiliary mechanism in the utility model.

[0023] In the figure: 1, the base plate; 2, slide rail; 3, sliding block; 4, drive motor; 5, driving rod; 6, driven rod; 7, compression spring frame; 8, longitudinal plate; 9, clamping pipe; 10, clamping rod; 11, slope groove; 12, rotating disc; 13, clamping groove; 14, locking rod; 15, compression block; 16, threaded ring; 17, rotating block; 18, reset spring rod; 19, extension block; 20, mounting frame; 21, placing plate; 22, balance shaft body; 23, connecting plate; 24, stabilizing spring; 25, support. DETAILED DESCRIPTION

[0024] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0026] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity directions; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.

[0027] Please refer to Figures 1-5 An engine balance shaft positioning tool, comprising a base plate 1, a stable clamping mechanism, a compression block quick change mechanism and a clamping auxiliary mechanism, the stable clamping mechanism comprises slide rails 2, sliding blocks 3, drive motors 4, driving rods 5, driven rods 6 and compression spring frames 7, the slide rails 2 are installed on the base plate 1, the sliding blocks 3 are arranged in directional sliding on the slide rails 2, the driving rods 5 are installed on the output ends of the drive motors 4, the driven rods 6 are rotationally connected with the driving rods 5, the driven rods 6 are connected with the side surfaces of the sliding blocks 3, the compression spring frames 7 are installed on the top ends of the sliding blocks 3, the compression block quick change mechanism comprises longitudinal plates 8, clamping pipes 9, clamping rods 10, slope grooves 11, rotating discs 12, clamping grooves 13, locking rods 14 and compression blocks 15, the longitudinal plates 8 are installed on the top ends and bottom ends of the compression spring frames 7 and the compression blocks 15, the clamping pipes 9 are fixedly installed on one end surface of the longitudinal plates 8, the rotating discs 12 are rotationally arranged on the outer walls of the clamping pipes 9, the slope grooves 11 are arranged on the rotating discs 12, one end of the locking rods 14 is rotationally arranged in the slope grooves 11, the locking rods 14 are transversely slidably arranged on the side walls of the clamping pipes 9, so that the locking rods 14 extend into the clamping grooves 13 in the side walls of the clamping rods 10.

[0028] In the embodiment, the driving motor 4 is started, the driving rod 5 is rotated, the driving rod 5 drives the driven rod 6 to move through the rotating connection with the driven rod 6, the driven rod 6 is connected with the side of the sliding block 3 to make the sliding block 3 slide on the slide rail 2, the compression spring frame 7 on the top of the sliding block 3 moves to realize the clamping and compression of the workpiece, the compression spring frame 7 and the compression block 15 are quickly installed and disassembled, the longitudinal plate 8 connects the compression spring frame 7 and the compression block 15 to ensure the compression stability, when the rotating disc 12 is rotated, the lock rod 14 slides in the slope slot 11 to make the lock rod 14 extend into the clamping groove 13 on the side wall of the clamping rod 10 to fix the clamping rod 10 in the clamping pipe 9, the stable spring 24 is installed on the inner wall top end of the clamping pipe 9, one end of the clamping rod 10 extends into the clamping pipe 9 to press the stable spring 24 to ensure the stable fixation of the clamping rod 10.

[0029] The clamping auxiliary mechanism includes a threaded ring 16, a rotating block 17, a reset spring rod 18 and an extension block 19, the spring rod is installed on the outer wall of the clamping pipe 9, a plurality of rotating blocks 17 rotate and slide on the reset spring rod 18, the inner wall of the threaded ring 16 is threadedly connected with the outer wall of the clamping pipe 9, a plurality of extension blocks 19 are installed on the side wall of the threaded ring 16, one end of the extension block 19 can extend into one end of the rotating block 17 to make the plurality of rotating blocks 17 rotate in linkage, and one end of the rotating block 17 is connected with the rotating disc 12.

[0030] In the embodiment, the reset spring rod 18 is installed on the outer wall of the clamping pipe 9, a plurality of rotating blocks 17 can rotate and slide on the reset spring rod 18, the threaded ring 16 is adjusted through the threaded connection with the clamping pipe 9, the extension block 19 extends into the end of the rotating block 17 to drive the plurality of rotating blocks 17 to rotate in linkage, the rotating block 17 is connected with the rotating disc 12 to assist in realizing the stable clamping, reverse rotation, reverse movement of the lock rod 14 and release of the clamping.

[0031] Please refer to Figures 1-5 , as a kind of engine balance shaft positioning tool supplementary implementation mode of stable clamping mechanism, compression block quick change mechanism and clamping auxiliary mechanism: the top end face of base plate 1 is provided with mounting frame 20, and mounting frame 20 is provided with a plurality of groups, and driving motor 4 is installed on mounting frame 20, the top end face of base plate 1 is provided with placement plate 21 in the middle position, and balance shaft body 22 is placed on placement plate 21, and one end of a plurality of compression blocks 15 is pressed to the side wall of balance shaft body 22, the side wall bottom end of clamping pipe 9 is provided with connecting plate 23, and connecting plate 23 is fixedly installed on one end face of longitudinal plate 8, one end of clamping rod 10 extends through two longitudinal plates 8 and is quickly clamped with clamping pipe 9, the inner wall top end of clamping pipe 9 is provided with stable spring 24, and one end of clamping rod 10 extends into clamping pipe 9 and presses stable spring 24, and the bottom end face of base plate 1 is provided with support 25 around.

[0032] More specifically, by driving the rotation of the motor 4, the driving rod 5 drives the driven rod 6 to move, and then pushes the sliding block 3 to slide on the slide rail 2, the compression spring frame 7 is pressed towards the side wall of the balance shaft body 22 to ensure the stable clamping of the balance shaft body 22, the longitudinal plate 8 is installed at the top end and the bottom end of the compression spring frame 7 and the pressing block 15, the clamping pipe 9 is fixedly installed on one end face of the longitudinal plate 8, when the rotating disc 12 rotates, the locking rod 14 slides in the slope groove 11, extends into the clamping groove 13 in the side wall of the clamping rod 10, fixes the clamping rod 10 in the clamping pipe 9, ensures the quick installation and disassembly of the pressing block 15, the stable spring 24 is installed at the inner wall top end of the clamping pipe 9, one end of the clamping rod 10 extends into the clamping pipe 9 and presses the stable spring 24, ensures the stable fixation of the clamping rod 10, the threaded ring 16 is rotated, the extension block 19 extends into one end of the rotating block 17, makes a plurality of rotating blocks 17 linkage rotate, assists the rotation of the rotating disc 12, ensures the extension of the locking rod 14 and the fixation of the clamping rod 10, the support 25 is installed and arranged around the bottom end face of the bottom plate 1, ensures the stable support of the whole device.

[0033] In summary, when the stable clamping mechanism needs to be operated, the driving motor 4 is started to drive the driving rod 5 to rotate, the driving rod 5 drives the driven rod 6 to move through the rotating connection with the driven rod 6, the driven rod 6 is connected with the side of the sliding block 3 to make the sliding block 3 slide on the slide rail 2 in a directional manner, the compression spring frame 7 at the top of the sliding block 3 moves accordingly to realize the clamping and pressing of the workpiece.

[0034] When the pressing block quick change mechanism needs to be operated, the pressing block 15 and the compression spring frame 7 are quickly installed and disassembled, the compression spring frame 7 and the pressing block 15 are connected through the longitudinal plate 8 to ensure the pressing stability, at this time, when the rotating disc 12 rotates, the locking rod 14 slides in the slope groove 11, the locking rod 14 extends into the clamping groove 13 in the side wall of the clamping rod 10 to fix the clamping rod 10 in the clamping pipe 9, the stable spring 24 is installed at the inner wall top end of the clamping pipe 9, one end of the clamping rod 10 extends into the clamping pipe 9 and presses the stable spring 24 to ensure the stable fixation of the clamping rod 10.

[0035] When the clamping auxiliary mechanism needs to be operated, the reset spring rod 18 is installed on the outer wall of the clamping pipe 9, a plurality of rotating blocks 17 can rotate and slide on the reset spring rod 18, are adjusted through the threaded connection between the threaded ring 16 and the clamping pipe 9, the extension block 19 extends into the end of the rotating block 17 to drive a plurality of rotating blocks 17 to linkage rotate, the rotating block 17 cooperates with the rotating disc 12 to assist the stable clamping, and reversely rotates to move the locking rod 14 reversely to release the clamping.

[0036] Through the rotation of the driving motor 4, the driving rod 5 drives the driven rod 6 to move, and then pushes the sliding block 3 to slide on the slide rail 2, the compression spring frame 7 is pressed to the side wall of the balance shaft body 22, and the stable clamping of the balance shaft body 22 is ensured, the longitudinal plate 8 is installed at the top end and the bottom end of the compression spring frame 7 and the pressing block 15, the clamping pipe 9 is fixedly installed on one end face of the longitudinal plate 8, when the rotating disc 12 rotates, the locking rod 14 slides in the slope groove 11, extends into the clamping groove 13 in the side wall of the clamping rod 10, fixes the clamping rod 10 in the clamping pipe 9, ensures the quick installation and disassembly of the pressing block 15, the stable spring 24 is installed on the inner wall top end of the clamping pipe 9, one end of the clamping rod 10 extends into the clamping pipe 9 and is pressed to the stable spring 24, ensures the stable fixation of the clamping rod 10, the threaded ring 16 is rotated, the extension block 19 extends into one end of the rotating block 17, makes a plurality of rotating blocks 17 linkage rotation, assists the rotation of the rotating disc 12, ensures the extension of the locking rod 14 and the fixation of the clamping rod 10, the bottom plate 1 is provided with the support 25 around the bottom end face, ensures the stable support of the whole device.

[0037] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be described one by one, and the preferred connection is welding when it is mentioned in the above. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An engine balance shaft positioning tool, comprising a base plate (1), a stable clamping mechanism, a pressing block quick change mechanism and a clamping auxiliary mechanism, characterized in that: The stable clamping mechanism comprises a sliding rail (2), a sliding block (3), a driving motor (4), a driving rod (5), a driven rod (6) and a compression spring frame (7), the sliding rail (2) is installed on the bottom plate (1), the sliding block (3) is arranged on the sliding rail (2) in a direction sliding manner, the driving rod (5) is installed on the output end of the driving motor (4), the driven rod (6) is rotationally connected with the driving rod (5), the driven rod (6) is connected with the side surface of the sliding block (3) in a matching manner, and the compression spring frame (7) is installed on the top end of the sliding block (3).

2. An engine balance shaft positioning tool as in claim 1, wherein: The quick-change pressing block mechanism comprises a longitudinal plate (8), a clamping pipe (9), a clamping rod (10), a slope groove (11), a rotating disc (12), a clamping groove (13), a locking rod (14) and a pressing block (15), the longitudinal plate (8) is installed on the top end and the bottom end of the compression spring frame (7) and the pressing block (15), the clamping pipe (9) is fixedly installed on one end surface of the longitudinal plate (8), the rotating disc (12) is rotationally arranged on the outer wall of the clamping pipe (9) in a limiting manner, the slope groove (11) is arranged on the rotating disc (12), and one end of the locking rod (14) is rotationally arranged in the slope groove (11).

3. The engine balance shaft positioning tool of claim 1, wherein: The clamping auxiliary mechanism comprises a threaded ring (16), a rotating block (17), a reset spring-wound rod (18) and an extending block (19), the spring-wound rod is matchedly installed on the outer wall of the clamping pipe (9), a plurality of rotating blocks (17) rotationally and slidingly arranged on the reset spring-wound rod (18), the inner wall of the threaded ring (16) is threadedly connected with the outer wall of the clamping pipe (9), a plurality of extending blocks (19) are installed on the side wall of the threaded ring (16), one end of the extending block (19) can extend into one end of the rotating block (17), and one end of the rotating block (17) is matchedly connected with the rotating disc (12).

4. An engine balance shaft positioning tool as in claim 1, wherein: A mounting frame (20) is installed on the top end surface of the bottom plate (1), a plurality of mounting frames (20) are arranged, and the driving motor (4) is installed on the mounting frame (20).

5. An engine balance shaft positioning tool as in claim 1, wherein: A placement plate (21) is installed on the central position of the top end surface of the bottom plate (1), a balance shaft body (22) is placed on the placement plate (21), and one end of the plurality of pressing blocks (15) is pressed against the side wall of the balance shaft body (22).

6. An engine balance shaft positioning tool as in claim 1, wherein: A connecting plate (23) is installed on the bottom end of the side wall of the clamping pipe (9), and the connecting plate (23) is fixedly installed on one end surface of the longitudinal plate (8).

7. An engine balance shaft positioning tool as in claim 1, wherein: One end of the clamping rod (10) extends through the two longitudinal plates (8) and is matchedly and quickly clamped with the clamping pipe (9).

8. An engine balance shaft positioning tool as in claim 1, wherein: A stabilizing spring (24) is installed on the inner wall top end of the clamping pipe (9), and one end of the clamping rod (10) extends into the clamping pipe (9) and is pressed against the stabilizing spring (24). Supports (25) are installed around the bottom end surface of the bottom plate (1).

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