Gearbox screw tightening equipment

Abstract

The utility model relates to gearbox screw tightening equipment, which relates to the technical field of screw tightening equipment, and comprises a base, a vertical bracket, a positioning mechanism and a tightening mechanism, the vertical support is installed on the base in the vertical direction. The positioning mechanism is arranged above the base and is in sliding connection with the lower part of the vertical bracket; the positioning mechanism is arranged corresponding to a positioning connection structure at the bottom of the gearbox; the tightening mechanism is connected to the upper portion of the vertical support in a sliding mode and corresponds to the positioning mechanism, and the tightening mechanism can correspond to the corresponding position of the top of the gearbox and can tighten corresponding screws placed on the top of the gearbox. The upper end and the lower end of the gearbox can be positioned, so that the tightening mechanism can synchronously tighten screws, and the tightening effect and efficiency are improved.

Description

Technical Field

[0001] The present application relates to the technical field of screw tightening equipment, and in particular to a gearbox screw tightening equipment. Background Art

[0002] The transmission, also known as the gearbox, is a mechanism used to change the speed and torque from the engine. It can change the transmission ratio of the output shaft and the input shaft in a fixed or step-by-step manner. The transmission consists of a speed transmission mechanism and an operating mechanism, and some cars also have a power output mechanism. Most transmission mechanisms use ordinary gears, and some use special gears. Ordinary gear transmission speed change mechanisms generally use sliding gears and etc. The transmission has the advantages of high efficiency, simple structure and easy use, so it is widely used.

[0003] During the repair, disassembly and installation of the gearbox, a large number of screws are required to fix the housing and the main body, that is, the screws at each point need to be fixed. The existing screw tightening process is to tighten it manually with a tightening gun, so that screws at different positions on different gearboxes can be tightened according to different needs. However, this method makes the production cycle easily affected by manual proficiency, low production efficiency, low torque qualification rate, and low degree of automation. Therefore, screw tightening equipment has gradually emerged.

[0004] Existing screw tightening equipment usually places a gearbox with screws under the tightening equipment, moves the tightening equipment downward and tightens the screws on the top. However, this method causes the gearbox to be easily displaced during the tightening process, resulting in tightening deviation, which increases the tightening process and reduces the tightening efficiency. Utility Model Content

[0005] In order to solve the problem of low gearbox screw tightening efficiency, the present application provides a gearbox screw tightening device.

[0006] The gearbox screw tightening equipment provided in this application adopts the following technical solution:

[0007] A gearbox screw tightening device comprises: a base, a vertical bracket, a positioning mechanism and a tightening mechanism; the vertical bracket is vertically mounted on the base; the positioning mechanism is arranged above the base and is slidably connected to the lower part of the vertical bracket; the positioning mechanism is arranged corresponding to the positioning connection structure at the bottom of the gearbox; the tightening mechanism is slidably connected to the upper part of the vertical bracket and is arranged corresponding to the positioning mechanism, the tightening mechanism can be arranged corresponding to the corresponding position on the top of the gearbox, and can tighten the corresponding screws placed on the top of the gearbox.

[0008] By adopting the above technical solution, the positioning mechanism corresponding to the positioning connection structure at the bottom of the gearbox can be used to support and position the gearbox from the bottom, avoiding displacement or rotation of the gearbox during the tightening process, thereby improving the tightening effect. By using a tightening mechanism that is adapted to and corresponding to the position at the top of the gearbox, the screws at the corresponding positions on the top of the gearbox can be tightened at the same time, greatly improving the tightening efficiency. The positioning mechanism and the tightening mechanism are used to position the upper and lower ends of the gearbox respectively, which improves the stability of the gearbox during the tightening process and improves the tightening efficiency.

[0009] In a specific possible implementation scheme, it further includes a conveying mechanism, which is erected on the base and located on one side of the vertical support; the positioning mechanism is partially arranged between the conveying mechanisms.

[0010] By adopting the above technical solution and utilizing the setting of the transmission mechanism, the gearbox can be placed at one end of the transmission mechanism and transported to the top of the positioning mechanism according to a predetermined trajectory, which facilitates the movement and positioning of the gearbox, limits the trajectory of the gearbox movement, reduces the positioning process, and improves efficiency.

[0011] In a specific feasible implementation scheme, the conveying mechanism includes a horizontal longitudinal frame, at least two transverse rolling frames and a plurality of rollers; the horizontal longitudinal frame is mounted on the base; the transverse rolling frames are respectively arranged at intervals on the horizontal longitudinal frame; a plurality of the rollers rotate and are installed at intervals on one side of the transverse rolling frames, and the rollers on the two transverse rolling frames are arranged opposite to each other.

[0012] By adopting the above technical solution, a plurality of rollers are arranged oppositely on the rolling frame, which can support and carry the gearbox from both ends of the bottom of the gearbox, thereby ensuring the stability of the gearbox when placed on the rollers. In addition, this arrangement can also reduce raw materials, thereby reducing costs.

[0013] In a specific possible implementation scheme, the positioning mechanism includes a positioning tool and a tool moving component, the positioning tool is installed on the tool moving component; the tool moving component is vertically slidably connected to the vertical bracket and is located above the base.

[0014] By adopting the above technical solution, the position of the positioning tool installed on the tool moving component can be adjusted by using the vertical sliding connection on the vertical bracket, so that the positioning tool can be easily aligned with the gearbox and the gearbox can be lifted, and the positioning tool can be used to position and support the gearbox.

[0015] In a specific feasible implementation scheme, the tooling moving assembly includes a mounting plate, a moving frame and a tooling cylinder; the mounting plate is fixedly mounted on the lower part of the vertical bracket, the tooling cylinder is mounted on the mounting plate, and the moving frame is connected to the tooling cylinder; a tooling slide rail is mounted on the mounting plate, a tooling slider is provided on the moving frame, the tooling slider is slidably arranged on the tooling slide rail, and the positioning tool is mounted on the moving frame.

[0016] By adopting the above technical solution, the positioning tool can be moved vertically from the outside of the conveying mechanism using this arrangement, which facilitates the disassembly and assembly of the tool moving components to the conveying mechanism and facilitates maintenance.

[0017] In a specific possible implementation scheme, the positioning tool includes a positioning frame and a positioning column; the positioning frame is arranged on the movable frame; the positioning columns are arranged at intervals on the station movable frame, and the positioning columns are arranged corresponding to the positioning connection structure at the bottom of the gearbox.

[0018] By adopting the above technical solution, the positioning column and the positioning connection structure at the bottom of the gearbox are correspondingly arranged, and the positioning column can be connected to the positioning connection structure to position the bottom of the gearbox, thereby improving the stability of the gearbox during the tightening process.

[0019] In a specific possible implementation manner, the tightening mechanism includes a sliding assembly and a tightening assembly; the sliding assembly is mounted on the upper portion of the vertical bracket, and the tightening assembly is slidably mounted on the sliding assembly and is arranged opposite to the positioning mechanism.

[0020] By adopting the above technical solution, the tightening assembly slidably mounted on the sliding assembly can adjust the position of the tightening assembly in the vertical direction, so that the tightening assembly can be lowered at the same time and the screws on the top of the gearbox can be tightened at the same time. By arranging the tightening assembly relative to the positioning mechanism, the tightening assembly can be easily aligned with the top of the gearbox, thereby improving the tightening efficiency.

[0021] In a specific feasible implementation scheme, the sliding assembly includes a sliding cylinder and a sliding bracket, wherein the sliding cylinder is vertically installed on the upper part of the vertical bracket; the sliding bracket is connected to the sliding cylinder; a sliding track is provided on the vertical bracket, a sliding block is provided on the sliding bracket, and the sliding block is slidably provided on the sliding track; and the tightening assembly is installed on the sliding bracket.

[0022] By adopting the above technical solution, the sliding block is slidably set on the sliding track, which makes it easy to limit the accuracy of the moving position of the sliding bracket on the vertical bracket, so that the position between the tightening assembly and the gearbox can be easily adjusted, and the sliding cylinder structure is simple and easy to adjust.

[0023] In a specific feasible implementation scheme, the tightening assembly includes a tightening movable plate, a plurality of tightening guns and a screw sleeve, the tightening movable plate is arranged below the sliding bracket, the tightening gun is mounted on the sliding bracket and passes through the tightening movable plate; the screw sleeves are respectively connected to the corresponding tightening guns and are respectively arranged corresponding to the corresponding screws placed on the top of the gearbox.

[0024] By adopting the above technical solution, the screw sleeve is connected to the tightening gun and is arranged corresponding to the screw on the top of the gearbox. The screw sleeve can be adapted to the screw nut, and the screw can be tightened under the rotation of the tightening gun, thereby improving the reliability of screw tightening.

[0025] In a specific possible implementation scheme, the tightening assembly also includes a positioning cylinder and a positioning rod, the positioning cylinder is arranged on the tightening movable plate and is connected to the positioning rod through the tightening movable plate; the positioning rod is arranged corresponding to the corresponding position of the top of the gearbox.

[0026] By adopting the above technical solution, the positioning rod is adapted and corresponds to the corresponding position on the top of the gearbox, so the gearbox can be positioned from the top and then the screws on the top of the gearbox can be tightened, and the upper and lower ends of the gearbox can be positioned in cooperation with the positioning mechanisms arranged relatively above and below, thereby further improving the stability of the gearbox during the tightening process.

[0027] In summary, the present application includes at least one of the following beneficial technical effects:

[0028] 1. The positioning mechanism corresponding to the positioning connection structure at the bottom of the gearbox can support and position the gearbox from the bottom, avoiding displacement or rotation of the gearbox during the tightening process, thereby improving the tightening effect;

[0029] 2. By using a tightening mechanism that is adapted to and arranged corresponding to the position on the top of the gearbox, the screws at the corresponding positions on the top of the gearbox can be tightened at the same time, which greatly improves the tightening efficiency;

[0030] 3. The positioning mechanism and tightening mechanism are used to position the upper and lower ends of the gearbox respectively, which improves the stability of the gearbox during the tightening process and improves the tightening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic diagram of an embodiment of the present application.

[0032] Figure 2 It is a left view of an embodiment of the present application.

[0033] Figure 3It is a schematic diagram of a conveying mechanism and a positioning mechanism in one embodiment of the present application.

[0034] Figure 4 It is a schematic diagram of a tightening mechanism in one embodiment of the present application.

[0035] Explanation of the accompanying drawings: 1. base; 2. vertical bracket; 3. conveying mechanism; 31. horizontal longitudinal frame; 32. rolling frame; 33. roller; 4. positioning mechanism; 41. positioning tool; 411. positioning frame; 412. positioning column; 42. tool moving assembly; 421. mounting plate; 422. moving frame; 423. tool cylinder; 424. tool slide rail; 425. tool slide block; 5. tightening mechanism; 51. sliding assembly; 511. sliding cylinder; 512. sliding bracket; 513. sliding block; 514. sliding rail; 52. tightening assembly; 521. tightening moving plate; 522. tightening gun; 523. screw sleeve; 524. positioning cylinder; 525. positioning rod. DETAILED DESCRIPTION

[0036] The following is combined with Figure 1-4 The present application is further described in detail. It should be understood that the specific implementation methods described herein are only used to illustrate and explain the present application, and are not used to limit the present application.

[0037] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0038] An embodiment of the gearbox screw tightening device of the present application is as follows: Figure 1 As shown, it includes: a base 1, a vertical bracket 2, a conveying mechanism 3, a positioning mechanism 4 and a tightening mechanism 5. The vertical bracket 2 is vertically installed on the base 1, and a reinforcing rib is provided between the bottom of the vertical bracket 2 and the base 1. The vertical bracket 2 and the base 1 form an inverted T-shaped structure. The conveying mechanism 3 is mounted on the base 1 and is located on one side of the vertical bracket 2. The positioning mechanism 4 is slidably connected to the lower part of the vertical bracket 2, and is partially located between the conveying mechanism 3. The tightening mechanism 5 is slidably arranged on the upper part of the vertical bracket 2, that is, the tightening mechanism 5 and the positioning mechanism 4 are arranged opposite to each other up and down. The gearbox is placed on the conveying mechanism 3, and is transported to the top of the positioning mechanism 4 by the conveying mechanism 3. The positioning mechanism 4 moves upward and corresponds to the positioning connection at the bottom of the gearbox. The gearbox is lifted, and the tightening mechanism 5 moves downward to tighten the screws and nuts on the top of the gearbox.

[0039] The transmission mechanism 3 includes a horizontal longitudinal frame 31, at least two transverse rolling frames 32 and a plurality of rollers. Two parallel horizontal longitudinal frames 31 are set on the base 1. In this embodiment, the horizontal longitudinal frame 31 can also be set as a square frame with a hollow center. Two transverse rolling frames 32 are respectively set at the two ends of the horizontal longitudinal frame 31 and are set perpendicular to the horizontal longitudinal frame 31. There is a spacing between the two transverse rolling frames 32, and the spacing is set according to the width of the gearbox. A plurality of rollers 33 arranged at intervals are set on one side of the transverse rolling frame 32. The rollers 33 are rotatably mounted on the roller frame, and the rollers 33 on the two transverse rolling frames 32 are arranged opposite to each other. In this embodiment, the gearbox can be manually moved to one end of the transverse rolling frame 32, and the two ends of the gearbox can be rolled on the rollers 33 by manual pushing. A motor can also be set on the roller frame, and a rotating gear is set on the output shaft of the motor. The rotating gear and the roller 33 are connected by a synchronous belt. A position sensor is set at a position of the roller frame close to the positioning mechanism 4, which can detect the position between the gearbox and the positioning mechanism 4.

[0040] The positioning mechanism 4 includes a positioning fixture 41 and a fixture moving assembly 42. The positioning fixture 41 is mounted on the fixture moving assembly 42, and the fixture moving assembly 42 is vertically slidably connected to the vertical bracket 2 and is located above the base 1. The positioning fixture 41 is located between the two rolling frames 32.

[0041] The tool moving assembly 42 includes a mounting plate 421, a moving frame 422 and a tool cylinder 423. The mounting plate 421 is fixedly mounted on the lower part of the vertical bracket 2, a tool rail 424 arranged vertically is mounted on the mounting plate 421, and the tool cylinder 423 is mounted on the mounting plate 421. A tool slider 425 is arranged at one end of the moving frame 422, and the tool slider 425 is slidably arranged on the tool rail 424. The moving frame 422 is connected to the tool cylinder 423, that is, under the push of the tool cylinder 423, the tool slider 425 on the moving frame 422 slides on the tool rail 424 on the mounting plate 421, so as to realize the up and down movement of the moving frame 422 and the positioning tool 41 on the moving frame 422.

[0042] The positioning fixture 41 includes a positioning frame 411 and a positioning column 412. The positioning frame 411 is installed on the mobile frame 422 and is located between the two rolling frames 32. A plurality of positioning columns 412 are arranged on the positioning frame 411, and the positioning columns 412 are arranged corresponding to the positioning connection structure at the bottom of the gearbox. In this embodiment, the positioning connection structure can be a positioning groove, a positioning ring, a positioning sleeve, etc., and the positioning column 412 is adaptively adjusted according to the shape and position of the positioning connection.

[0043] The tightening mechanism 5 includes a sliding assembly 51 and a tightening assembly 52. ​​The sliding assembly 51 is arranged on the upper part of the vertical bracket 2, and the tightening assembly 52 is slidably connected to the sliding assembly 51 and is arranged opposite to the positioning fixture 41.

[0044] The sliding assembly 51 includes a sliding cylinder 511 and a sliding bracket 512. The sliding cylinder 511 is installed on the upper part of the vertical bracket 2, and the sliding bracket 512 is connected to the sliding cylinder 511. A sliding track 514 is provided on the vertical bracket 2, and a sliding block 513 is provided on the side of the sliding bracket 512 close to the upper side of the vertical bracket 2, and the sliding block 513 is slidably provided on the sliding track 514. The tightening assembly 52 is provided on the sliding bracket 512.

[0045] The tightening assembly 52 includes a tightening movable plate 521, a plurality of tightening guns 522, a screw sleeve 523, a positioning cylinder 524 and a positioning rod 525. The tightening movable plate 521 is arranged below the sliding bracket 512. The plurality of tightening guns 522 are mounted on the sliding bracket 512, and pass through the tightening movable plate 521 to be connected with the screw sleeve 523. The positioning cylinder 524 is arranged on the tightening movable plate 521 and is located outside the plurality of tightening guns 522. The positioning cylinder 524 passes through the tightening movable plate 521 and is connected with the positioning rod 525. The screw sleeve 523 corresponds to the screws on the top of the gearbox one by one. The positioning rod 525 is arranged corresponding to the corresponding position on the top of the gearbox. In addition, the tightening gun 522 is driven to rotate by a rotating cylinder, and a torque sensor is also provided on the tightening gun 522 to detect the number of revolutions and speed of the tightening gun 522.

[0046] The implementation principle of the gearbox screw tightening device of this embodiment is as follows: the operator pre-places screws on the gearbox, moves the gearbox to one end of the conveying mechanism 3, and moves the gearbox to the top of the positioning tool 41 by manual pushing or electric driving. The tool cylinder 423 drives the moving frame 422 to move upward, and the positioning column 412 is connected to the positioning connection mechanism corresponding to the bottom of the gearbox, and the gearbox is lifted. The sliding cylinder 511 is started and drives the sliding bracket 512 to move downward, driving the tightening assembly 52 to move downward, and the positioning cylinder 524 is started to drive the positioning rod 525 to connect with the corresponding position on the top of the gearbox to achieve positioning. The multiple tightening guns 522 rotate to make the screw sleeve 523 tighten the corresponding screws.

[0047] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A gearbox screw tightening device, characterized in that: include: A base (1), a vertical bracket (2), a positioning mechanism (4) and a tightening mechanism (5); the vertical bracket (2) is vertically mounted on the base (1); the positioning mechanism (4) is arranged above the base (1) and is slidably connected to the lower part of the vertical bracket (2); the positioning mechanism (4) is arranged corresponding to the positioning connection structure at the bottom of the gearbox; the tightening mechanism (5) is slidably connected to the upper part of the vertical bracket (2) and is arranged corresponding to the positioning mechanism (4); the tightening mechanism (5) can be arranged corresponding to the corresponding position on the top of the gearbox and can tighten the corresponding screws placed on the top of the gearbox.

2. The gearbox screw tightening device according to claim 1, characterized in that: It also comprises a conveying mechanism (3), wherein the conveying mechanism (3) is mounted on the base (1) and is located on one side of the vertical support (2); the positioning mechanism (4) is partially arranged between the conveying mechanisms (3).

3. The gearbox screw tightening device according to claim 2, characterized in that: The conveying mechanism (3) comprises a horizontal longitudinal frame (31), at least two transverse rolling frames (32) and a plurality of rollers (33); the horizontal longitudinal frame (31) is mounted on the base (1); the transverse rolling frames (32) are arranged at intervals on the horizontal longitudinal frame (31); a plurality of rollers (33) are rotatably and spaced apart on one side of the transverse rolling frame (32), and the rollers (33) on the two transverse rolling frames (32) are arranged opposite to each other.

4. The gearbox screw tightening device according to claim 1, characterized in that: The positioning mechanism (4) comprises a positioning tool (41) and a tool moving assembly (42), wherein the positioning tool (41) is mounted on the tool moving assembly (42); the tool moving assembly (42) is vertically slidably connected to the vertical bracket (2) and is located above the base (1).

5. The gearbox screw tightening device according to claim 4, characterized in that: The tool moving assembly (42) comprises a mounting plate (421), a moving frame (422) and a tool cylinder (423); the mounting plate (421) is fixedly mounted on the lower part of the vertical bracket (2); the tool cylinder (423) is mounted on the mounting plate (421); the moving frame (422) is connected to the tool cylinder (423); a tool rail (424) is mounted on the mounting plate (421); a tool slide block (425) is arranged on the moving frame (422); the tool slide block (425) is slidably arranged on the tool rail (424); and the positioning tool (41) is mounted on the moving frame (422).

6. The gearbox screw tightening device according to claim 5, characterized in that: The positioning tool (41) comprises a positioning frame (411) and a positioning column (412); the positioning frame (411) is arranged on the moving frame (422); the positioning columns (412) are arranged at intervals on the moving frame (422), and the positioning columns (412) are arranged corresponding to the positioning connection structure at the bottom of the gearbox.

7. The gearbox screw tightening device according to claim 1, characterized in that: The tightening mechanism (5) comprises a sliding component (51) and a tightening component (52); the sliding component (51) is mounted on the upper part of the vertical bracket (2), and the tightening component (52) is slidably mounted on the sliding component (51) and is arranged opposite to the positioning mechanism (4).

8. The gearbox screw tightening device according to claim 7, characterized in that: The sliding assembly (51) comprises a sliding cylinder (511) and a sliding bracket (512), wherein the sliding cylinder (511) is vertically mounted on the upper portion of the vertical bracket (2); the sliding bracket (512) is connected to the sliding cylinder (511); a sliding track (514) is provided on the vertical bracket (2), a sliding block (513) is provided on the sliding bracket (512), and the sliding block (513) is slidably mounted on the sliding track (514); and the tightening assembly (52) is mounted on the sliding bracket (512).

9. The gearbox screw tightening device according to claim 8, characterized in that: The tightening assembly (52) comprises a tightening movable plate (521), a plurality of tightening guns (522) and a screw sleeve (523); the tightening movable plate (521) is arranged below the sliding bracket (512); the tightening gun (522) is installed on the sliding bracket (512) and passes through the tightening movable plate (521); the screw sleeves (523) are respectively connected to the corresponding tightening guns (522) and are respectively arranged corresponding to the corresponding screws placed on the top of the gearbox.

10. The gearbox screw tightening device according to claim 9, characterized in that: The tightening assembly (52) further comprises a positioning cylinder (524) and a positioning rod (525); the positioning cylinder (524) is arranged on the tightening movable plate (521) and passes through the tightening movable plate (521) to be connected to the positioning rod (525); the positioning rod (525) is arranged corresponding to a corresponding position on the top of the gearbox.

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