Automatic assembly equipment for gear shaft

Abstract

The present invention belongs to the technical field of assembly equipment, and specifically discloses a gear shaft automatic assembly equipment, including a controller, a frame, and a positioning unit, an assembly unit, a gear alignment unit and a limit unit arranged on the frame, wherein the positioning unit is used to support and center the gear, the assembly unit is located above the positioning unit, the assembly unit and the positioning unit are used to center and clamp the gear shaft; the gear alignment unit is used to align the gear and the gear shaft; and the limit unit is used to limit the positioning unit. The above-mentioned assembly equipment can solve the problems of low production efficiency and high labor intensity caused by the manual assembly method in the prior art.

Description

Technical Field

[0001] The invention belongs to the technical field of assembly equipment, and in particular relates to automatic assembly equipment for gear shafts. Background Art

[0002] Gears are indispensable parts in automobiles, and the gears in automobiles need to be assembled with gear shafts. The existing gear installation tool is to place the gear on the tool, and use a copper hammer to knock it manually, and then assemble the heated gear to the camshaft. This method is easy to cause gear deflection, and at the same time, it is labor-intensive and has low production efficiency. Summary of the invention

[0003] The purpose of the present invention is to provide a gear shaft automatic assembly device to solve the problems of low production efficiency and high labor intensity caused by the manual assembly method adopted in the prior art.

[0004] In order to achieve the above-mentioned purpose, the technical solution of the present invention is: a gear shaft automatic assembly equipment, including a controller, a frame, and a positioning unit, an assembly unit and a gear alignment unit arranged on the frame, the positioning unit is used to support and center the gear, the assembly unit is located above the positioning unit, the assembly unit and the positioning unit are used to center and clamp the gear shaft; the gear alignment unit is used to align the gear and the gear shaft.

[0005] Furthermore, the positioning unit includes a positioning part and a supporting part, the supporting part includes a fixing plate and a supporting plate, the fixing plate is fixed on the frame, and the supporting plate is fixed on the fixing plate; a through hole for passing the positioning part is opened at the center of the supporting plate; the positioning part includes a first driving member, a positioning seat and a positioning column, the controller is used to control the first driving member; the first driving member is used to drive the positioning seat to reciprocate vertically; the positioning column is fixed on the positioning seat; the positioning column can pass through the through hole, and the positioning column is used to position the gear; the top of the positioning column is provided with a first conical protrusion, and the tip of the first protrusion is facing upward, and the first protrusion is used to position and clamp the gear shaft.

[0006] Furthermore, the assembly unit includes a second driving member, an assembly seat and an assembly column, the controller is used to control the second driving member, and the first driving member is used to drive the assembly seat to move back and forth vertically; the assembly column is fixed on the assembly seat; a conical second protrusion is provided at the bottom of the assembly column, and the tip of the second protrusion faces downward, and the second protrusion is used to position and clamp the gear shaft.

[0007] Furthermore, it also includes a limiting unit, which includes a limiting column and a limiting seat. The limiting column is fixed to the lower end of the positioning unit, and the limiting seat is located below the limiting column. The limiting column can contact the limiting seat.

[0008] Furthermore, the limit seat is stepped; the limit unit also includes a third driving member, the third driving member is fixed on the frame, the controller is used to control the third driving member, the third driving member is used to drive the limit seat to move horizontally back and forth, and the limit column can contact different positions of the limit seat.

[0009] Further, the gear unit includes an axis-to-gear portion and a wheel-to-gear portion, the axis-to-gear portion includes an axis-to-gear gauge and a fourth driving member, the fourth driving member is used to drive the axis-to-gear gauge to approach or move away from the gear shaft, the fourth driving member is fixed on the frame, and the controller is used to control the fourth driving member; the wheel-to-gear portion includes a wheel-to-gear gauge and a fifth driving member; the fifth driving member is used to drive the wheel-to-gear gauge to approach or move away from the gear, the fifth driving member is fixed on the frame, and the controller is used to control the fifth driving member.

[0010] Furthermore, a clamping unit is provided on the positioning unit, and the clamping unit includes two groups of clamping parts arranged on both sides of the positioning unit, each group of the clamping parts includes a sixth driving member and a clamping block, the sixth driving member is used to vertically reciprocate and drive the clamping block, and the clamping block is used to clamp the gear; the controller is used to control the sixth driving member.

[0011] Furthermore, a driving rod is fixed to the driving end of the sixth driving member, and the clamping block is rotatably connected to the driving rod.

[0012] Furthermore, a first groove for placing the gear is provided on the support plate, and the center of the first groove coincides with the center of the through hole.

[0013] Furthermore, a vertical slide groove is provided in the lower part of the interior of the positioning column, and a second groove is provided in the upper part of the interior of the positioning column; a positioning rod is slidably connected in the slide groove, and an elastic part is connected to the lower end of the positioning rod and the bottom end of the slide groove, and the upper end of the positioning rod extends out of the second groove and is connected to the bottom end of the first protrusion, and the first protrusion can be located in the second groove.

[0014] The working principle of this technical solution is that according to the assembly of different gears, the controller controls the third driving member to align different positions of the stepped limit seat with the limit column. The controller controls the manipulator to place the heated gear in the first groove on the support plate, and the manipulator places the gear shaft in the center of the gear. The controller controls the first driving member to drive the positioning column to move upward and pass through the through hole of the support plate. In this process, the positioning column positions the gear and the first protrusion positions the gear shaft. After the gear is positioned, the controller controls the sixth driving member to drive the clamping block to clamp the gear. Then the controller controls the second driving member, and the second driving member drives the assembly column to move downward until the second protrusion and the first protrusion clamp the gear shaft. After the gear shaft is clamped, the controller controls the fourth driving member and the fifth driving member to move the wheel-to-tooth gauge and the shaft-to-tooth gauge in the direction close to the gear and the gear shaft, and align the gear and the gear shaft respectively. After the gear alignment is completed, the controller drives the first drive member and the second drive member, so that the first drive member drives the positioning column to move downward, the second drive member drives the assembly column to move downward, and the positioning column and the assembly column move synchronously, so that the gear shaft is pressed into the gear. When the limit column contacts the limit seat, the press-fitting is completed, and the controller controls the fourth drive member and the fifth drive member to retract the wheel pair gear gauge and the shaft pair gear gauge.

[0015] The beneficial effects of this technical solution are: ① The cooperation of the manipulator, controller, positioning unit, assembly unit, limit unit and gear unit can realize the automation of assembly and improve production efficiency. ② The limit seat is stepped, which can meet the axial dimension requirements of different gears during assembly, making the applicability of this device wider. ③ The setting of the first groove can roughly position the gear. ④ The setting of the first protrusion and the second protrusion can make the positioning of the gear shaft more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional view of the gear shaft automatic assembly device of the present invention when not assembled Figure 1 ;

[0017] Figure 2 A three-dimensional view of the gear shaft automatic assembly device of the present invention when not assembled Figure 2 ;

[0018] Figure 3 A three-dimensional view of the gear shaft automatic assembly equipment of the present invention during assembly Figure 1 ;

[0019] Figure 4 A three-dimensional view of the gear shaft automatic assembly equipment of the present invention during assembly Figure 2 ;

[0020] Figure 5 is a three-dimensional diagram of the limiting unit;

[0021] Figure 6 is a stereogram of the positioning unit;

[0022] Figure 7 is a three-dimensional diagram of the assembly unit;

[0023] Figure 8 for Figure 3 Enlarged view of point A in the middle. DETAILED DESCRIPTION

[0024] The following is further described in detail through specific implementation methods:

[0025] The figure marks in the drawings of the specification include: frame 1, positioning unit 2, assembly unit, limit unit 4, clamping unit 5, shaft pair tooth portion 6, wheel pair tooth portion 7, first drive member 8, second drive member 9, gear 10, gear shaft 11, limit seat 12, fixing plate 13, limit column 14, positioning seat 15, positioning column 16, first protrusion 17, first groove 18, through hole 19, assembly seat 20, assembly column 21, second protrusion 22, sixth drive member 23, drive rod 24, clamping block 25, mounting plate 26, support plate 27, third drive member 28.

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] The embodiment is basically as shown in the attached Figure 1-8 As shown: a gear shaft automatic assembly device, including a controller, a frame 1, and a positioning unit 2, an assembly unit, a gear alignment unit and a limit unit 4 arranged on the frame 1, the positioning unit 2 is used to support and center the gear 10, the assembly unit is located above the positioning unit 2, the assembly unit and the positioning unit 2 are used to center and clamp the gear shaft 11; the gear alignment unit is used to align the gear 10 and the gear shaft 11; the limit unit 4 is used to limit the positioning unit 2.

[0028] The positioning unit 2 includes a positioning part and a supporting part. The supporting part includes a fixing plate 13 and a supporting plate 27. The fixing plate 13 is fixed on the frame 1, and the supporting plate 27 is fixed on the fixing plate 13. A through hole 19 for passing the positioning part is opened in the center of the supporting plate 27. A first groove 18 for placing the gear 10 is provided on the supporting plate 27, and the center of the first groove 18 coincides with the center of the through hole 19. The positioning part includes a first driving member 8, a positioning seat 15, and a positioning column 16. The controller is used to control the first driving member 8. The first driving member 8 is used to drive the positioning seat 15 to reciprocate vertically. The positioning column 16 is fixed on the positioning seat 15. The positioning column 16 can pass through the through hole 19, and the positioning column 16 is used to position the gear 10. A conical first protrusion 17 is provided at the top of the positioning column 16, and the tip of the first protrusion 17 faces upward, and the first protrusion 17 is used to position and clamp the gear shaft 11. A vertical slide groove is provided at the lower part of the interior of the positioning column 16, and a second groove is provided at the upper part of the interior of the positioning column 16; a positioning rod is slidably connected in the slide groove, and an elastic member is connected between the lower end of the positioning rod and the bottom end of the slide groove, and the upper end of the positioning rod is connected to the bottom end of the first protrusion 17 after extending out of the second groove, and the first protrusion 17 can be located in the second groove. A clamping unit 5 is provided on the positioning unit 2, and the clamping unit 5 includes two groups of clamping parts provided on both sides of the positioning unit 2, and each group of clamping parts includes a sixth driving member 23 and a clamping block 25, and the sixth driving member 23 is used to vertically reciprocate and drive the clamping block 25, and the clamping block 25 is used to clamp the gear 10; the controller is used to control the sixth driving member 23. A driving rod 24 is fixed to the driving end of the sixth driving member 23, and the clamping block 25 is rotatably connected to the driving rod 24.

[0029] The assembly unit includes a second driving member 9, an assembly seat 20 and an assembly column 21. The controller is used to control the second driving member 9, and the first driving member 8 is used to drive the assembly seat 20 to move back and forth vertically; the assembly column 21 is fixed on the assembly seat 20; a conical second protrusion 22 is provided at the bottom of the assembly column 21, and the tip of the second protrusion 22 faces downward, and the second protrusion 22 is used to position and clamp the gear shaft 11.

[0030] The limiting unit 4 includes a third driving member 28, a limiting column 14 and a limiting seat 12. The limiting column 14 is fixed to the lower end of the positioning unit 2, and the limiting seat 12 is located below the limiting column 14. The limiting seat 12 is in a stepped shape, the third driving member 28 is fixed to the frame 1, the controller is used to control the third driving member 28, and the third driving member 28 is used to drive the limiting seat 12 to move horizontally back and forth, and the limiting column 14 can contact different positions of the limiting seat 12.

[0031] The gear unit includes an axis-to-gear portion 6 and a wheel-to-gear portion 7. The axis-to-gear portion 6 includes an axis-to-gear gauge and a fourth driving member. The fourth driving member is used to drive the axis-to-gear gauge to approach or move away from the gear shaft 11. The fourth driving member is fixed on the frame 1, and the controller is used to control the fourth driving member. The wheel-to-gear portion 7 includes a wheel-to-gear gauge and a fifth driving member. The fifth driving member is used to drive the wheel-to-gear gauge to approach or move away from the gear 10. The fifth driving member is fixed on the frame 1, and the controller is used to control the fifth driving member.

[0032] In this embodiment, the first driving member 8, the second driving member 9, the third driving member 28, the fourth driving member, the fifth driving member and the sixth driving member 23 are all cylinders. The first driving member 8 and the third driving member 28 are installed on the top of the frame 1. The telescopic shaft of the first driving member 8 is connected with a mounting plate 26. A notch is provided on the side of the fixed plate 13 close to the frame 1. The mounting plate 26 is connected with the positioning seat 15 after passing through the notch. A vertical slide rail is provided on the frame 1, and a first slider is provided on the mounting plate 26. The first slider is slidably connected in the vertical slide rail. A second slider is provided on the assembly seat 20, and the second slider is also slidably connected in the vertical slide rail. A vertical through groove is provided on the mounting plate 26, and the shaft-to-gear unit can pass through the through groove. A horizontal slide rail is provided at the lower part of the frame 1, and a third slider is provided on the limit seat 12. The third slider is slidably connected in the horizontal slide rail.

[0033] The specific implementation process is as follows:

[0034] According to the assembly of different gears 10, the controller controls the third driving member 28 to align different positions of the stepped limiting seat 12 with the limiting column 14. The controller controls the manipulator to place the heated gear 10 in the first groove 18 on the support plate 27, and the manipulator places the gear shaft 11 at the center of the gear 10. The controller controls the first driving member 8 to drive the positioning column 16 to move upward and pass through the through hole 19 of the support plate 27. In this process, the positioning column 16 positions the gear 10, and the first protrusion 17 positions the gear shaft 11. After the gear 10 is positioned, the controller controls the sixth driving member 23 to drive the clamping block 25 to clamp the gear 10. Then the controller controls the second driving member 9, and the second driving member 9 drives the assembly column 21 to move downward until the second protrusion 22 and the first protrusion 17 clamp the gear shaft 11. After the gear shaft 11 is clamped, the controller controls the fourth and fifth driving members to move the wheel pair gear gauge and the shaft pair gear gauge toward the direction close to the gear 10 and the gear shaft 11, and align the gear 10 and the gear shaft 11 respectively. After the gear alignment is completed, the controller drives the first driving member 8 and the second driving member 9, so that the first driving member 8 drives the positioning column 16 to move downward, the second driving member 9 drives the assembly column 21 to move downward, and the positioning column 16 and the assembly column 21 move synchronously, so that the gear shaft 11 is pressed into the gear 10. When the limit column 14 contacts the limit seat 12, the press-fitting is completed, and the controller controls the fourth and fifth driving members to retract the wheel pair gear gauge and the shaft pair gear gauge.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] The above is only an embodiment of the present invention. The common sense such as the known specific structure and characteristics in the scheme is not described in detail here. The ordinary technicians in the relevant field know all the common technical knowledge in the technical field of the invention before the application date or priority date, can obtain all the existing technologies in the field, and have the ability to apply the conventional experimental means before that date. The ordinary technicians in the relevant field can improve and implement this scheme in combination with their own abilities under the enlightenment given by this application. Some typical known structures or known methods should not become obstacles for ordinary technicians in the relevant field to implement this application. It should be pointed out that for those skilled in the art, without departing from the structure of the present invention, several deformations and improvements can be made, which should also be regarded as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the practicality of the patent. The protection scope required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A gear shaft automatic assembly device, characterized in that: The invention comprises a controller, a frame, and a positioning unit, an assembly unit and a gear alignment unit arranged on the frame, wherein the positioning unit is used to support and center the gear, the positioning unit comprises a positioning part and a supporting part, the supporting part comprises a fixing plate and a supporting plate, the fixing plate is fixed on the frame, and the supporting plate is fixed on the fixing plate; a through hole for passing the positioning part is opened in the center of the supporting plate; the positioning part comprises a first driving member, a positioning seat and a positioning column, the controller is used to control the first driving member; the first driving member is used to drive the positioning seat to reciprocate vertically; the positioning column is fixed on the positioning seat; the positioning column can pass through the through hole, and the positioning column is used to position the gear; the A conical first protrusion is provided at the top of the positioning column, and the tip of the first protrusion faces upward, and the first protrusion is used to position and clamp the gear shaft; the assembly unit is located above the positioning unit, and the assembly unit and the positioning unit are used to center and clamp the gear shaft, the assembly unit includes a second driving member, an assembly seat and an assembly column, the controller is used to control the second driving member, and the first driving member is used to drive the assembly seat to reciprocate vertically; the assembly column is fixed on the assembly seat; a conical second protrusion is provided at the bottom of the assembly column, and the tip of the second protrusion faces downward, and the second protrusion is used to position and clamp the gear shaft; the tooth alignment unit is used to align the gear and the gear shaft.

2. The gear shaft automatic assembly equipment according to claim 1, characterized in that: It also includes a limiting unit, which includes a limiting column and a limiting seat. The limiting column is fixed to the lower end of the positioning unit, and the limiting seat is located below the limiting column. The limiting column can contact the limiting seat.

3. The gear shaft automatic assembly equipment according to claim 2, characterized in that: The limit seat is stepped; the limit unit also includes a third driving member, which is fixed on the frame, and the controller is used to control the third driving member, which is used to drive the limit seat to move horizontally back and forth, and the limit column can contact different positions of the limit seat.

4. The gear shaft automatic assembly equipment according to claim 1, characterized in that: The gear unit includes an axis-to-gear portion and a wheel-to-gear portion, the axis-to-gear portion includes an axis-to-gear gauge and a fourth driving member, the fourth driving member is used to drive the axis-to-gear gauge to approach or move away from the gear shaft, the fourth driving member is fixed on the frame, and the controller is used to control the fourth driving member; the wheel-to-gear portion includes a wheel-to-gear gauge and a fifth driving member; the fifth driving member is used to drive the wheel-to-gear gauge to approach or move away from the gear, the fifth driving member is fixed on the frame, and the controller is used to control the fifth driving member.

5. The gear shaft automatic assembly equipment according to claim 1, characterized in that: A clamping unit is provided on the positioning unit, and the clamping unit includes two groups of clamping parts arranged on both sides of the positioning unit, each group of the clamping parts includes a sixth driving member and a clamping block, the sixth driving member is used to vertically reciprocate and drive the clamping block, and the clamping block is used to clamp the gear; the controller is used to control the sixth driving member.

6. The gear shaft automatic assembly equipment according to claim 5, characterized in that: A driving rod is fixed to the driving end of the sixth driving member, and the clamping block is rotatably connected to the driving rod.

7. The gear shaft automatic assembly equipment according to claim 1, characterized in that: The support plate is provided with a first groove for placing the gear, and the center of the first groove coincides with the center of the through hole.

8. The gear shaft automatic assembly equipment according to claim 7, characterized in that: A vertical slide groove is provided at the lower part of the interior of the positioning column, and a second groove is provided at the upper part of the interior of the positioning column; a positioning rod is slidably connected in the slide groove, and an elastic part is connected to the lower end of the positioning rod and the bottom end of the slide groove, and the upper end of the positioning rod extends out of the second groove and is connected to the bottom end of the first protrusion, and the first protrusion can be located in the second groove.

Images