Differential elastic pin press fitting device

Abstract

The utility model discloses a differential elastic pin press -fitting device, including support, install the press -fitting mechanism and floating adjusting mechanism of support and install the press -fitting head mechanism of floating adjusting mechanism, the press -fitting mechanism includes movable press -fitting machine and the connecting head of connecting in press -fitting machine output, the press -fitting head mechanism includes connecting rod, and the press -fitting head of connecting with connecting rod is connected, the elastic pin is fixed in the press -fitting head, and connecting rod with connecting head is detachable connection, and the press -fitting machine is used for driving connecting head, connecting rod, press -fitting head and presses, makes the elastic pin fixed in the press -fitting head and press -fitted in the reserved hole position of differential that is located below the press -fitting head mechanism. The device can automatically press -fit the elastic pin in the reserved hole position of differential housing, and the degree of automation is high, and the work efficiency is high, and the manual cost is greatly saved, can promote differential overall production line automation level, satisfies the demand of large -scale, high -efficient production.

Description

Technical Field

[0001] This utility model relates to a differential elastic pin press-fit device, belonging to the field of differential assembly technology. Background Technology

[0002] During differential assembly, a spring pin needs to be installed in a pre-drilled hole in the differential housing to securely connect the upper and lower housings. However, currently, spring pin installation primarily relies on manual labor. Operators must manually pick up the spring pin, align it with the pre-drilled hole in the differential housing, and then press it into place by tapping or other methods. This traditional manual installation method has significant drawbacks:

[0003] 1. High labor costs: The operation requires specialized labor, which directly increases the overall manufacturing cost of the differential in the context of rising labor costs.

[0004] 2. Low level of automation: The entire process is highly dependent on manual labor, making it difficult to seamlessly integrate with highly automated differential production lines, thus becoming a bottleneck in improving the overall automation level of the production line.

[0005] 3. Low work efficiency: Manual installation is slow and easily affected by the operator's skill level and fatigue, making it difficult to meet the needs of large-scale, high-efficiency production. The relatively long installation time for a single flexible pin is one of the factors restricting the improvement of differential assembly cycle time.

[0006] Therefore, the existing differential spring pin installation method has significant shortcomings in terms of cost-effectiveness, production efficiency and automation level, and there is an urgent need for a more efficient, automated and cost-effective solution to replace the traditional manual installation method. Utility Model Content

[0007] To address the aforementioned issues, this utility model provides a differential elastic pin press-fitting device. This device can automatically press the elastic pin into the reserved hole in the differential housing, achieving a high degree of automation and high work efficiency. It significantly reduces labor costs, improves the overall automation level of the differential production line, and meets the needs of large-scale, high-efficiency production.

[0008] This utility model provides a differential elastic pin pressing device, including a support, a pressing mechanism and a floating adjustment mechanism mounted on the support, and a pressing head mechanism mounted on the floating adjustment mechanism; the pressing mechanism includes a movable pressing machine and a connector connected to the output end of the pressing machine; the pressing head mechanism includes a connecting rod and a pressing head connected to the connecting rod, an elastic pin is fixed inside the pressing head, the connecting rod and the connector are detachably connected, and the pressing machine is used to drive the connector, the connecting rod and the pressing head to press down, so that the elastic pin fixed inside the pressing head is pressed into a reserved hole in the differential located below the pressing head mechanism.

[0009] In one embodiment of this utility model, the connector is provided with a connecting groove, and the connecting rod is provided with a connecting protrusion adapted to the connecting groove, the connecting protrusion being able to be embedded in the connecting groove.

[0010] In one embodiment of this utility model, the pressing mechanism further includes a first mounting plate fixedly installed on the support, a first linear module fixedly installed on the first mounting plate, and a first guide rail. The first mounting plate is provided with a sliding groove, and a movable seat is slidably connected on the first guide rail. The pressing machine is fixedly installed on the movable seat, and the output end of the pressing machine passes through the sliding groove and is fixedly connected to the connector. The output end of the first linear module is fixedly connected to the movable seat, and the first linear module is used to drive the movable seat and the pressing machine to move along the first guide rail.

[0011] In one embodiment of this utility model, the output end of the first linear module is fixedly connected to a first connecting block, and the first connecting block is fixedly connected to the movable base.

[0012] In one embodiment of this utility model, the floating adjustment mechanism further includes a second mounting plate fixedly installed on the support, a second linear module fixedly installed on the second mounting plate, a first connecting plate connected to the output end of the second linear module, a second connecting plate fixedly connected to the first connecting plate, a first slide rail fixedly installed on the second connecting plate, a first floating plate slidably connected to the first slide rail, a second slide rail fixedly installed on the first floating plate, and a second floating plate slidably connected to the second slide rail, wherein the pressing head mechanism is installed on the second floating plate.

[0013] In one embodiment of this utility model, the second connecting plate is fixedly connected to a first fixed seat, the first floating plate is fixedly connected to a first floating block, the first floating block is movably connected to the first fixed seat, and a first spring is provided between the first floating block and the first fixed seat. The moving direction of the first floating block is parallel to the first slide rail.

[0014] In one embodiment of this utility model, the second floating plate is fixedly connected to a second fixed seat, the first floating plate is fixedly connected to a second floating block, the second fixed seat is movably connected to the outside of the second floating block, and a second spring is provided between the second fixed seat and the second floating block, and the moving direction of the second fixed seat is parallel to the second slide rail.

[0015] In one embodiment of this utility model, the first slide rail and the second slide rail are spatially perpendicular.

[0016] In one embodiment of this utility model, the axial direction of the first spring is parallel to the first slide rail, and the axial direction of the second spring is parallel to the second slide rail.

[0017] In one embodiment of the present invention, the pressing head mechanism further includes a first cylinder fixedly mounted on the second floating plate, a second cylinder connected to the output end of the first cylinder, and a mounting base connected to the output end of the second cylinder, wherein the connecting rod is connected to the mounting base.

[0018] This utility model has the following beneficial effects:

[0019] This utility model provides a differential elastic pin pressing device. When the pressing mechanism and pressing head mechanism are separated, the pressing head mechanism, detached from the pressing mechanism, performs the picking and alignment of the elastic pin. When the pressing mechanism and pressing head mechanism are connected, the pressing machine of the pressing mechanism presses down on the pressing head of the pressing head mechanism, thereby pressing the elastic pin fixed inside the pressing head into the reserved hole of the differential, completing the pressing operation of the differential elastic pin. Since pressing the elastic pin requires a large pressing force, the pressing machine is connected to the pressing head and presses down on the pressing head to smoothly press the elastic pin fixed inside the pressing head into the reserved hole of the differential. Furthermore, because the pressing machine is relatively heavy, designing it as an integral structure with the pressing head mechanism would increase the operating cost of the equipment and reduce the alignment accuracy of the elastic pin. This differential spring pin pressing device features a detachable pressing mechanism and pressing head mechanism. When the pressing mechanism and pressing head mechanism are separated, the pressing head mechanism moves independently to complete the picking and alignment of the spring pin, reducing the overall operating cost of the equipment and improving the alignment accuracy of the spring pin. When the pressing mechanism and pressing head mechanism are connected, the pressing machine presses down on the pressing head to complete the pressing operation of the spring pin, thus automatically pressing the spring pin into the reserved hole in the differential housing. It has a high degree of automation and high work efficiency, greatly saving labor costs and improving the overall automation level of the differential production line, meeting the needs of large-scale, high-efficiency production. Attached Figure Description

[0020] Figure 1A perspective view of the differential elastic pin press-fit device provided by this utility model.

[0021] Figure 2 This is a side view of the differential elastic pin press-fit device provided by this utility model.

[0022] Figure 3 A perspective view of the differential elastic pin press-fitting device provided by this utility model.

[0023] Figure 4 This is another perspective view of the differential elastic pin press-fit device provided by this utility model.

[0024] Figure 5 A perspective view of the floating adjustment mechanism and the pressing head mechanism provided by this utility model.

[0025] Figure 6 This is another perspective view of the floating adjustment mechanism and pressing head mechanism provided by this utility model.

[0026] Figure 7 A perspective view of the partial structure of the pressing head mechanism and the floating adjustment mechanism provided by this utility model.

[0027] Figure 8 A perspective view of a portion of the floating adjustment mechanism provided by this utility model.

[0028] Figure 9 This is a perspective view of another part of the floating adjustment mechanism provided by this utility model.

[0029] Figure 10 A perspective view of the differential and press-fitting head mechanism provided by this utility model.

[0030] In the diagram: 1. Pressing mechanism; 11. Pressing machine; 12. First mounting plate; 13. First linear module; 14. First connecting block; 15. Movable seat; 16. First guide rail; 17. Slide groove; 18. Connector; 181. Connecting groove; 2. Floating adjustment mechanism; 21. Second mounting plate; 22. Second linear module; 23. First connecting plate; 24. Second connecting plate; 25. First slide rail; 26. First floating plate; 261. 262. First floating block; 263. First fixed seat; 27. Second slide rail; 28. Second floating plate; 281. Second floating block; 282. Second spring; 283. Second fixed seat; 3. Press-fit head mechanism; 31. First cylinder; 32. Second cylinder; 33. Mounting seat; 34. Connecting rod; 35. Connecting protrusion; 36. Press-fit head; 4. Elastic pin; 5. Support; 6. Differential; 61. Reserved hole. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0032] In this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0034] like Figures 1 to 10 As shown, this utility model provides a differential elastic pin pressing device, including a support 5, a pressing mechanism 1 and a floating adjustment mechanism 2 installed on the support 5, and a pressing head mechanism 3 installed on the floating adjustment mechanism 2; the pressing mechanism 1 includes a movable pressing machine 11 and a connector 18 connected to the output end of the pressing machine 11; the pressing head mechanism 3 includes a connecting rod 34 and a pressing head 36 connected to the connecting rod 34, an elastic pin 4 is fixed inside the pressing head 36, the connecting rod 34 is detachably connected to the connector 18, and the pressing machine 11 is used to drive the connector 18, the connecting rod 34, and the pressing head 36 to press down, so that the elastic pin 4 fixed inside the pressing head 36 is pressed into the reserved hole 61 of the differential 6 located below the pressing head mechanism 3.

[0035] In some embodiments, the connector 18 is provided with a connecting groove 181, and the connecting rod 34 is provided with a connecting protrusion 35 that is adapted to the connecting groove 181, the connecting protrusion 35 being able to be embedded in the connecting groove 181.

[0036] In this embodiment, the connecting rod 34 and the connecting head 18 are detachably connected by the connecting protrusion 35 fitting into the connecting groove 181. When the connecting protrusion 35 is inserted into the connecting groove 181, the connecting rod 34 is connected to the connecting head 18, and the press-fitting machine 11 can drive the connecting head 18, the connecting rod 34, and the press-fitting head 36 to press down; when the connecting protrusion 35 is disengaged from the connecting groove 181, the connecting head 18 of the press-fitting machine 11 is separated from the connecting rod 34 of the press-fitting head mechanism 3.

[0037] In some embodiments, the pressing mechanism 1 further includes a first mounting plate 12 fixedly mounted on the support 5, a first linear module 13 fixedly mounted on the first mounting plate 12, and a first guide rail 16. The first mounting plate 12 is provided with a sliding groove 17. A movable seat 15 is slidably connected to the first guide rail 16. The pressing machine 11 is fixedly mounted on the movable seat 15, and the output end of the pressing machine 11 passes through the sliding groove 17 and is fixedly connected to the connector 18. The output end of the first linear module 13 is fixedly connected to the movable seat 15. The first linear module 13 is used to drive the movable seat 15 and the pressing machine 11 to move along the first guide rail 11.

[0038] Optionally, the output end of the first linear module 13 is fixedly connected to a first connecting block 14, and the first connecting block 14 is fixedly connected to the movable seat 15. The output end of the first linear module 13 is fixedly connected to the movable seat 15 through the first connecting block 14, and the first linear module 13 drives the movable seat 15 and the press machine 11 to move along the first guide rail 11 through the first connecting block 14.

[0039] In this embodiment, the first linear module 13 drives the movable seat 15 and the press machine 11 to move along the first guide rail 11 via the first connecting block 14, so that the output end of the press machine 11 passes through the slide groove 17 and drives the connector 18 to move, thereby making the connector 18 and the connecting rod 34 detachable. When the press machine 11 needs to perform press operation, the first linear module 13 drives the connector 18 to move, so that the connector 18 is connected to the connecting rod 34; when the press machine 11 does not need to perform press operation, the first linear module 13 drives the connector 18 to move, so that the connector 18 is separated from the connecting rod 34, thereby allowing the press head 36 connected to the connecting rod 34 to move independently, so as to facilitate the picking and alignment of the elastic pin 4.

[0040] In some embodiments, the floating adjustment mechanism 2 further includes a second mounting plate 21 fixedly mounted on the support 5, a second linear module 22 fixedly mounted on the second mounting plate 21, a first connecting plate 23 connected to the output end of the second linear module 22, a second connecting plate 24 fixedly connected to the first connecting plate 23, a first slide rail 25 fixedly mounted on the second connecting plate 24, a first floating plate 26 slidably connected to the first slide rail 25, a second slide rail 27 fixedly mounted on the first floating plate 26, and a second floating plate 28 slidably connected to the second slide rail 27, wherein the pressing head mechanism 3 is mounted on the second floating plate 28.

[0041] In this embodiment, the second linear module 22 is used to drive the first connecting plate 23 to move. The first connecting plate 23 drives the press head mechanism 3 to move as a whole through the second connecting plate 24, the first floating plate 26, and the second floating plate 28.

[0042] Optionally, the second connecting plate 24 is fixedly connected to the first fixed seat 263, the first floating plate 26 is fixedly connected to the first floating block 261, the first floating block 261 is movably connected to the first fixed seat 263, and a first spring 262 is provided between the first floating block 261 and the first fixed seat 263, and the moving direction of the first floating block 261 is parallel to the first slide rail 25.

[0043] Optionally, the second floating plate 28 is fixedly connected to a second fixed seat 283, the first floating plate 26 is fixedly connected to a second floating block 281, the second fixed seat 283 is movably connected to the outside of the second floating block 281, and a second spring 282 is provided between the second fixed seat 283 and the second floating block 281, and the moving direction of the second fixed seat 283 is parallel to the second slide rail 27.

[0044] Optionally, the first slide rail 25 and the second slide rail 27 are spatially perpendicular. The first connecting plate 23 is arranged vertically, and the second connecting plate 24 is arranged horizontally.

[0045] Optionally, the axial direction of the first spring 262 is parallel to the first slide rail 25, and the axial direction of the second spring 282 is parallel to the second slide rail 27.

[0046] In this embodiment, the first floating plate 26 of the floating adjustment mechanism 2 is slidably connected to the first slide rail 25, and the first floating block 261, which is fixedly connected to the first floating plate 26, is movably connected to the first fixed seat 263, which is fixedly connected to the second connecting plate 24. A first spring 262 is provided between the first floating block 261 and the first fixed seat 263, so that the first floating plate 26 and the first floating block 261 can make a small displacement in the X-axis direction along the first slide rail 25 on the second connecting plate 24, so that the first floating plate 26 has a small offset floating amount in the X-axis direction. The elastic force of the first spring 262 can make the first floating plate 26 return to its initial position when no force is applied, that is, make the offset floating amount of the first floating plate 26 zero when no force is applied. The second floating plate 28 of the floating adjustment mechanism 2 is slidably connected to the second slide rail 27. The second fixed seat 283, which is fixedly connected to the second floating plate 28, is movably connected to the second floating block 281, which is fixedly connected to the first floating plate 26. A second spring 282 is provided between the second floating block 281 and the second fixed seat 283, so that the second floating plate 28 and the second fixed seat 283 can make a small displacement in the Y-axis direction along the second slide rail 27 on the first floating plate 26, so that the second floating plate 28 has a small offset floating amount in the Y-axis direction. The elastic force of the second spring 282 can make the second floating plate 28 return to its initial position when no force is applied, that is, make the offset floating amount of the second floating plate 28 zero when no force is applied.

[0047] Therefore, the floating adjustment mechanism 2, through the combined action of two floating plates, two slide rails, two floating blocks, two fixed seats, and two springs, allows the second floating plate 28 and the pressing head mechanism 3 fixed on the second floating plate 28 to have a small offset floating amount in the X and Y axis directions, thereby enabling fine adjustment of the displacement of the pressing head mechanism 3 in the X and Y axis directions. Since the elastic pin 4 may have a certain offset when aligned with the reserved hole 61 of the differential 6 due to alignment errors or installation errors of the differential 6, and since different sizes of differentials 6 use different sizes of elastic pins 4, the aforementioned offset will further increase when different elastic pins 4 are used to press different differentials 6. Therefore, the floating adjustment mechanism 2 and the pressing head mechanism 3 mounted on the floating adjustment mechanism 2 both have a small offset floating amount in the XY axis direction. This allows the pressing head mechanism 3 to adapt to a certain offset amount due to alignment error or installation error of differential 6 when the elastic pin 4 is aligned with the reserved hole 61. This enables the pressing head mechanism 3 to accurately press the elastic pin 4 into the reserved hole 61 of differential 6, ensuring the pressing accuracy of the elastic pin 4. This solves the problem of inaccurate pressing when the elastic pin 4 is aligned with the reserved hole 61 of differential 6 due to alignment error or installation error of differential 6.

[0048] In some embodiments, the press-fitting head mechanism 3 further includes a first cylinder 31 fixedly mounted on the second floating plate 28, a second cylinder 32 connected to the output end of the first cylinder 31, and a mounting base 33 connected to the output end of the second cylinder 32, wherein the connecting rod 34 is connected to the mounting base 33.

[0049] In this embodiment, the first cylinder 31 drives the second cylinder 32, the mounting base 33, and the pressing head 36 to move longitudinally. The second cylinder 32 further drives the mounting base 33 and the pressing head 36 to move longitudinally. Thus, the design of the combination of the first cylinder 31 and the second cylinder 32 can increase the displacement of the longitudinal movement of the pressing head 36, thereby adapting to differentials 6 of different height and size specifications and improving the applicability of the device.

[0050] The working process of the differential elastic pin press-fitting device provided by this utility model is as follows:

[0051] Step 1: Press head mechanism 3 picks up elastic pin 4: The second linear module 22 of floating adjustment mechanism 2 drives the first connecting plate 23 to move. The first connecting plate 23 drives the press head mechanism 3 to move as a whole to above the position where elastic pin 4 is picked up through the second connecting plate 24, the first floating plate 26, and the second floating plate 28. The first cylinder 31 and the second cylinder 32 of press head mechanism 3 drive press head 36 to press down and fix the elastic pin 4 below press head 36 inside press head 36.

[0052] Step 2, Alignment of elastic pin 4: The second linear module 22 of the floating adjustment mechanism 2 and the first cylinder 31 and the second cylinder 32 of the pressing head mechanism 3 drive the pressing head 36 and the elastic pin 4 fixed inside the pressing head 36 to move directly above the reserved hole 61 set in the differential 6, thus completing the alignment operation between the elastic pin 4 and the reserved hole 61.

[0053] Step 3: The pressing mechanism 1 is connected to the pressing head mechanism 3 after the alignment operation is completed; the first linear module 13 of the pressing mechanism 1 drives the connector 18 to move, so that when the connecting protrusion 35 is embedded in the connecting groove 181, the connection between the connecting rod 34 and the connector 18 is completed.

[0054] Step 4: Pressing by pressing mechanism 1; After the connecting rod 34 is connected to the connecting head 18, the pressing machine 11 drives the connecting head 18, the connecting rod 34, and the pressing head 36 to press down, pressing the elastic pin 4 fixed inside the pressing head 36 into the reserved hole 61 of the differential 6, thereby completing the pressing operation of the differential elastic pin 4.

[0055] Step 5: The pressing mechanism 1 separates from the pressing head mechanism 3 after the pressing operation is completed; the first linear module 13 of the pressing mechanism 1 drives the connector 18 to move, so that the connecting protrusion 35 disengages from the connecting groove 181, thereby separating the connector 18 of the pressing machine 11 from the connecting rod 34 of the pressing head mechanism 3. Repeat steps 1 to 4 above to complete the pressing operation of the elastic pin 4 of the next differential 6.

[0056] In summary, the differential elastic pin pressing device provided by this utility model allows for the following operations: when the pressing mechanism 1 is separated from the pressing head mechanism 3, the pressing head mechanism 3, detached from the pressing mechanism 1, performs the picking and alignment of the elastic pin 4; when the pressing mechanism 1 is connected to the pressing head mechanism 3, the pressing machine 11 of the pressing mechanism 1 presses down on the pressing head 36 of the pressing head mechanism 3, thereby pressing the elastic pin 4 fixed inside the pressing head 36 into the reserved hole 61 of the differential 6, completing the pressing operation of the differential elastic pin 4. Since a large pressing force is required when pressing the elastic pin 4, the pressing machine 11 is connected to the pressing head 36 and the pressing head 36 is pressed down to smoothly press the elastic pin 4 fixed inside the pressing head 36 into the reserved hole 61 of the differential 6. Furthermore, due to the significant weight of the press-fitting machine 11, designing it as an integral part of the press-fitting head mechanism 3 would increase operating costs and reduce the alignment accuracy of the elastic pin 4. This differential elastic pin press-fitting device, through its detachable press-fitting mechanism 1 and press-fitting head mechanism 3, allows the press-fitting head mechanism 3 to independently handle the picking and alignment of the elastic pin 4 when the two are separated, reducing overall operating costs and improving alignment accuracy. When the press-fitting mechanism 1 and press-fitting head mechanism 3 are connected, the press-fitting machine 11 presses down on the press-fitting head 36 to complete the press-fitting of the elastic pin 4, automatically pressing the elastic pin 4 into the pre-drilled hole 61 in the differential housing. This high degree of automation and efficiency significantly reduces labor costs, improves the overall automation level of the differential production line, and meets the needs of large-scale, high-efficiency production.

[0057] This document uses specific embodiments to illustrate the principles and implementation methods of this utility model. The descriptions of these embodiments are merely for the purpose of helping to understand the method and core ideas of this utility model. It should be noted that those skilled in the art can make various improvements and modifications to this utility model without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A differential elastic pin press fitting device characterized by, The device includes a support, a pressing mechanism and a floating adjustment mechanism mounted on the support, and a pressing head mechanism mounted on the floating adjustment mechanism. The pressing mechanism includes a movable pressing machine and a connector connected to the output end of the pressing machine. The pressing head mechanism includes a connecting rod and a pressing head connected to the connecting rod. An elastic pin is fixed inside the pressing head. The connecting rod and the connector are detachably connected. The pressing machine is used to drive the connector, the connecting rod, and the pressing head to press down, so that the elastic pin fixed inside the pressing head is pressed into a reserved hole provided in the differential located below the pressing head mechanism.

2. The differential elastic pin press-fit device according to claim 1, characterized in that, The connector is provided with a connecting groove, and the connecting rod is provided with a connecting protrusion that matches the connecting groove, and the connecting protrusion can be embedded into the connecting groove.

3. The differential elastic pin press-fit device according to claim 1, characterized in that, The pressing mechanism further includes a first mounting plate fixedly installed on the support, a first linear module fixedly installed on the first mounting plate, and a first guide rail. The first mounting plate is provided with a sliding groove, and a movable seat is slidably connected on the first guide rail. The pressing machine is fixedly installed on the movable seat, and the output end of the pressing machine passes through the sliding groove and is fixedly connected to the connector. The output end of the first linear module is fixedly connected to the movable seat. The first linear module is used to drive the movable seat and the pressing machine to move along the first guide rail.

4. The differential elastic pin press fitting device of claim 3, wherein, The output end of the first linear module is fixedly connected to a first connecting block, and the first connecting block is fixedly connected to the movable base.

5. The differential elastic pin press fitting device of claim 1, wherein, The floating adjustment mechanism further includes a second mounting plate fixedly installed on the support, a second linear module fixedly installed on the second mounting plate, a first connecting plate connected to the output end of the second linear module, a second connecting plate fixedly connected to the first connecting plate, a first slide rail fixedly installed on the second connecting plate, a first floating plate slidably connected to the first slide rail, a second slide rail fixedly installed on the first floating plate, and a second floating plate slidably connected to the second slide rail. The pressing head mechanism is installed on the second floating plate.

6. A differential elastic pin press fitting device according to claim 5, wherein The second connecting plate is fixedly connected to the first fixed seat, the first floating plate is fixedly connected to the first floating block, the first floating block is movably connected inside the first fixed seat, and a first spring is provided between the first floating block and the first fixed seat. The moving direction of the first floating block is parallel to the first slide rail.

7. A differential elastic pin press fitting device according to claim 6, wherein The second floating plate is fixedly connected to a second fixed seat, the first floating plate is fixedly connected to a second floating block, the second fixed seat is movably connected to the outside of the second floating block, and a second spring is provided between the second fixed seat and the second floating block. The moving direction of the second fixed seat is parallel to the second slide rail.

8. A differential spring pin press-fitting device according to claim 5, characterized in that, The first slide rail and the second slide rail are in a spatially perpendicular relationship.

9. The differential elastic pin press-in device of claim 7, wherein, The axial direction of the first spring is parallel to the first slide rail, and the axial direction of the second spring is parallel to the second slide rail.

10. A differential spring pin press-fitting device according to claim 5, characterized in that, The press-fitting head mechanism further includes a first cylinder fixedly mounted on the second floating plate, a second cylinder connected to the output end of the first cylinder, and a mounting base connected to the output end of the second cylinder, wherein the connecting rod is connected to the mounting base.

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