A double-head bearing press-fitting device

Abstract

This utility model discloses a dual-head bearing pressing device, including a press frame, a bearing pressing head mechanism, and a bushing pressing head mechanism. The bearing pressing head mechanism and the bushing pressing head mechanism are connected to a transfer mechanism mounted on the press frame. The transfer mechanism drives the bearing pressing head mechanism and the bushing pressing head mechanism to move between corresponding pressing positions and material removal positions. A press and a material removal mechanism are mounted on the press frame. The drive ends of the press and the material removal mechanism are detachably connected to the bearing pressing head mechanism and the bushing pressing head mechanism through the same connection structure. This allows for pressing operations between bushings, bearings, cams, and camshafts without the need to flip the bearing structure, thus shortening the pressing cycle, improving production efficiency, and reducing production costs. Furthermore, the dual-head structure allows for alternating operation, with one pressing while the other removes material, enabling continuous operation, reducing waiting time, and increasing production efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of bearing press-fitting equipment, specifically to a double-head bearing press-fitting device. Background Technology

[0002] Existing bearing press-fitting technologies typically employ fixed tooling and a single press head design. When pressing various materials, a tilting mechanism is often used to adjust the bearing's posture to meet pressing requirements. However, this tilting mechanism suffers from mechanical vibration and positioning inaccuracies, making it difficult to guarantee the positioning system's precision. This results in reduced pressing accuracy and poor product quality consistency. Furthermore, the waiting time during bearing loading significantly increases production cycles and costs. Therefore, to improve the adaptability and pressing accuracy of bearings, meet diverse production needs, and enhance product quality, it is necessary to develop a highly efficient pressing mechanism with stable product quality to satisfy market demands. Utility Model Content

[0003] Technical objective: To address the shortcomings of existing bearing press-fitting equipment, this utility model discloses a double-head bearing press-fitting device.

[0004] Technical solution: To achieve the above technical objectives, the present invention adopts the following technical solution: A dual-head bearing pressing device includes a press frame, a bearing pressing head mechanism, and a bushing pressing head mechanism. The bearing pressing head mechanism and the bushing pressing head mechanism are connected to a transfer mechanism mounted on the press frame. The transfer mechanism drives the bearing pressing head mechanism and the bushing pressing head mechanism to move between corresponding pressing positions and material handling positions. The press frame is equipped with a press for pressing corresponding products in conjunction with the bearing pressing head mechanism and the bushing pressing head mechanism, and a material handling mechanism for material handling. The drive ends of the press and the material handling mechanism are detachably connected to the bearing pressing head mechanism and the bushing pressing head mechanism via the same connection structure. The transfer mechanism drives the bearing pressing head mechanism and the bushing pressing head mechanism to switch their connection states. A pressing mechanism is correspondingly provided at the pressing position for positioning the cam and shaft to cooperate with the press for pressing, and a feeding mechanism is correspondingly provided at the material handling position for automatic bearing feeding.

[0005] Preferably, the connection structure of this utility model includes a connecting rod disposed at the drive end of the press and the material handling mechanism, a connecting plate fixed at the end of the connecting rod, and a connecting groove disposed on the corresponding pressure heads of the bearing pressure head mechanism and the bushing pressure head mechanism. The cross-sectional shape of the connecting groove matches the shape of the connecting rod and the connecting plate. When the transfer mechanism drives the bearing pressure head mechanism and the bushing pressure head mechanism to move, the end of the connecting rod and the connecting plate are inserted into the corresponding connecting groove from one end to complete the connection.

[0006] Preferably, the pressing mechanism of this utility model includes a first positioning fixture for positioning the camshaft and a second positioning fixture disposed above the first positioning fixture for positioning the cam. A linear bearing guide assembly is disposed between the first and second positioning fixtures to guide the second positioning fixture to move up and down. A support mechanism is disposed on one side of the second positioning fixture to support the second positioning fixture and keep the bearing position stable during bearing pressing. A lateral locking cylinder is disposed after the bushing or bearing pressing is completed to keep the cam position stable. The drive end of the lateral locking cylinder is connected to a positioning plate for cooperating with the cam.

[0007] Preferably, the support mechanism of this utility model includes support cylinders symmetrically arranged on both sides of the second positioning fixture, and a support block connected to the end of the support cylinder. The support cylinder drives the support block to move to the bottom of the second positioning fixture to support the second positioning fixture.

[0008] Preferably, the feeding mechanism of this utility model includes a material cylinder for storing bearings, a transition platform for supporting bearings is provided below the material cylinder, a push rod mechanism for pushing the bearings to move is provided on one side of the transition platform, and a feeding platform for receiving bearings is provided on the other side opposite to the push rod mechanism. The feeding platform is connected to a feeding cylinder for pushing the feeding platform to the material taking position of the press frame.

[0009] Preferably, the transplanting mechanism of this utility model includes a mounting plate fixed on the press frame, a guide rail disposed on the surface of the mounting plate, and a transplanting cylinder. The bearing press head mechanism and the bushing press head mechanism are slidably connected to the guide rail through the second mounting plate. The installation distance between the bearing press head mechanism and the bushing press head mechanism on the second mounting plate is set according to the pressing position and the material taking position of the press frame. The end of the transplanting cylinder is connected to the second mounting plate, driving the bearing press head mechanism and the bushing press head mechanism to move synchronously.

[0010] Preferably, the bearing pressure head mechanism and the bushing pressure head mechanism of this utility model have the same structure, both including a sliding bracket for slidingly connecting the second mounting plate along the pressure head pressing direction, an upper mounting plate and a lower mounting plate that are floatingly connected to the upper mounting plate are fixedly mounted on the sliding bracket, the corresponding pressure head passes through the upper mounting plate and the lower mounting plate and is fixedly connected to the lower mounting plate, and the upper end of the pressure head is connected to the connecting structure.

[0011] Preferably, the lower mounting plate of this invention has a groove-shaped sensor on the outside of the pressure head for detecting the material on the pressure head.

[0012] Preferably, the material handling mechanism of this utility model is a material handling cylinder. The driving end of the material handling cylinder is connected to the pressure head of the bearing pressure head mechanism through a connecting structure, thereby driving the pressure head to move downward to handle the bearing material.

[0013] Beneficial effects: The dual-head bearing pressing device disclosed in this utility model can realize the pressing operation between bushings, bearings, cams and camshafts by switching the transfer mechanism, and there is no need to flip the bearing structure, which can shorten the pressing cycle, improve the production efficiency of enterprises and reduce production costs; and the dual-head structure can work alternately, with one pressing while the other picks up material, realizing continuous operation, reducing waiting time and improving production efficiency. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0015] Figure 1 This is an overall structural diagram of the pressing device of this utility model; Figure 2 This is a structural diagram of the press frame of this utility model; Figure 3 This is a structural diagram of the transplanting mechanism of this utility model; Figure 4 This is a structural diagram of the bearing pressure head mechanism of this utility model; Figure 5 This is a structural diagram of the feeding mechanism of this utility model; Figure 6 This is a structural diagram of the pressing mechanism of this utility model; Among them, 1-press frame, 2-bearing press head mechanism, 3-bulb press head mechanism, 4-transfer mechanism, 5-press, 6-material handling mechanism, 7-pressing mechanism, 8-feeding mechanism, 9-connecting rod, 10-connecting plate, 11-connecting groove, 12-camshaft, 13-first positioning fixture, 14-cam, 15-second positioning fixture, 16-linear bearing guide assembly, 17-side locking cylinder, 18-positioning plate, 19-support cylinder, 20-support block, 21-material cylinder, 22-transfer platform, 23-push rod mechanism, 24-feeding platform, 25-feeding cylinder, 26-mounting plate, 27-guide rail, 28-transfer cylinder, 29-second mounting plate, 30-sliding bracket, 31-upper mounting plate, 32-lower mounting plate, 33-groove sensor. Detailed Implementation

[0016] Reference will now be made in detail to embodiments of the present disclosure, one or more of which are set forth herein. Each embodiment and example is provided by way of explanation of the apparatus, composition, and materials of the present disclosure, and not by way of limitation. Rather, the following description provides convenient illustrations for implementing exemplary embodiments of the present disclosure. Indeed, it will be apparent to those skilled in the art that various modifications and variations can be made to the teachings of the present disclosure without departing from the scope or spirit of the present disclosure.

[0017] like Figures 1-6 As shown, this utility model discloses a double-head bearing pressing device, including a press frame 1, a bearing pressing head mechanism 2, and a bushing pressing head mechanism 3. The bearing pressing head mechanism 2 and the bushing pressing head mechanism 3 are connected to a transfer mechanism 4 mounted on the press frame 1. The transfer mechanism 4 drives the bearing pressing head mechanism 2 and the bushing pressing head mechanism 3 to move between corresponding pressing positions and material taking positions. A press 5 for pressing corresponding products in cooperation with the bearing pressing head mechanism 2 and the bushing pressing head mechanism 3, and a material taking mechanism 6 for taking materials are provided on the press frame 1. The drive ends of the press 5 and the material taking mechanism 6 are detachably connected to the bearing pressing head mechanism 2 and the bushing pressing head mechanism 3 through the same connection structure. The transfer mechanism 4 drives the bearing pressing head mechanism 2 and the bushing pressing head mechanism 3 to switch the connection state. A pressing mechanism 7 for positioning the cam and shaft in cooperation with the press for pressing is provided at the pressing position, and a feeding mechanism 8 for automatic bearing feeding is provided at the material taking position.

[0018] This utility model utilizes a connecting structure to realize the connection and disassembly switching between the bearing pressure head mechanism 2 and the bushing pressure head mechanism 3 and the corresponding press 5 and material handling mechanism. It can realize the pressing requirements of different components with one press structure, realize the pressing between camshaft and cam, cam and bearing and bushing, and there is no need to flip the shaft and other structures during the process, thereby ensuring the accuracy of positioning and improving the efficiency of pressing operation.

[0019] like Figure 2 As shown, the material-taking mechanism 6 of this utility model is a material-taking cylinder. The driving end of the material-taking cylinder is connected to the pressure head of the bearing pressure head mechanism 2 through a connecting structure, driving the pressure head to move downward to take the bearing material. The connecting structure includes a connecting rod 9 set at the driving end of the press 5 and the material-taking mechanism 6, a connecting plate 10 fixed at the end of the connecting rod 9, and a connecting groove 11 set on the corresponding pressure heads of the bearing pressure head mechanism 2 and the bushing pressure head mechanism 3. The cross-sectional shape of the connecting groove 11 matches the shape of the connecting rod 9 and the connecting plate 10. When the transplanting mechanism 4 drives the bearing pressure head mechanism 2 and the bushing pressure head mechanism 3 to move, the end of the connecting rod 9 and the connecting plate 10 are inserted into the corresponding connecting groove 11 from one end to complete the connection. When the transplanting mechanism drives the bearing pressure head mechanism 2 and the bushing pressure head mechanism 3 to move horizontally, the connection state can be switched.

[0020] like Figure 3As shown, to ensure smooth movement and further improve efficiency, the transplanting mechanism 4 of this utility model includes a mounting plate 26 fixed on the press frame 1, a guide rail 27 disposed on the surface of the mounting plate 26, and a transplanting cylinder 28. The bearing pressing head mechanism 2 and the bushing pressing head mechanism 3 are slidably connected to the guide rail 27 via a second mounting plate 29. The installation distance between the bearing pressing head mechanism 2 and the bushing pressing head mechanism 3 on the second mounting plate 29 is set according to the pressing position and the material taking position of the press frame 1. When the bushing pressing head mechanism 3 is in the pressing position, the bearing pressing head mechanism 2 is in the corresponding material taking position; when the bearing is being pressed, The bearing pressing head mechanism 2 is in the pressing position, and at the same time, the bushing pressing head mechanism 3 is in the corresponding material taking position, so that the pressing device of this utility model can complete the bearing material taking while pressing, and perform synchronously to speed up the pressing progress. In the embodiment of this utility model, only the state of setting the bearing material taking position is shown. The bushing and other structures that are easy to assemble are installed by manual feeding at the material taking position on the left. Alternatively, a bushing feeding device can be set separately as needed to automatically take the bushing. The end of the transfer cylinder 28 is connected to the second mounting plate 29, which drives the bearing pressing head mechanism 2 and the bushing pressing head mechanism 3 to move synchronously.

[0021] like Figure 4 As shown, the bearing pressure head mechanism 2 and bushing pressure head mechanism 3 of this utility model have the same installation structure, while the structure of the pressure head is set according to the different pressing components. Both the bearing pressure head mechanism 2 and the bushing pressure head mechanism 3 include a sliding bracket 30 for slidingly connecting the second mounting plate 29 along the pressing direction of the pressure head. A corresponding cylinder is connected to the sliding bracket 30. The cylinder maintains the position of the sliding bracket 30 on the second mounting plate 29 so as to connect the structure. At the same time, during the pressing process, the cylinder cancels the drive of the sliding bracket 30. At this time, the press 5 is used to drive the sliding bracket and the corresponding pressure head mechanism to move down to perform the pressing operation of the component. An upper mounting plate 31 and a lower mounting plate 32 floatingly connected to the upper mounting plate 31 are fixedly installed on the sliding bracket 30. The corresponding pressure head passes through the upper mounting plate 31 and the lower mounting plate 32 and is fixedly connected to the lower mounting plate 32. The upper end of the pressure head is connected to the connecting structure. A grooved sensor 33 for detecting the material on the pressure head is set on the outside of the pressure head on the lower mounting plate 32.

[0022] During press fitting, the press head moves downwards via the drive end of the press 5 to press the component. Simultaneously, the lower mounting plate 32 of this invention is in a floating state relative to the upper mounting plate 31, and can float and move radially under force. During press fitting, the floating of the lower mounting plate can compensate for installation errors, achieving smooth press fitting of the product. The form of floating installation can be selected based on requirements. For example, by using a flexible pin connection, the lower mounting plate can move to a certain extent relative to the upper mounting plate. If the installation positioning accuracy can be guaranteed, the lower mounting plate can also be directly fixedly connected to the upper mounting plate.

[0023] For the pressing object of this utility model, such as Figure 6 As shown, the press-fitting mechanism 7 of this utility model includes a first positioning fixture 13 for positioning the camshaft 12 and a second positioning fixture 15 disposed above the first positioning fixture 13 for positioning the cam 14. Both the first positioning fixture 13 and the second positioning fixture 15 adopt a contour positioning method to ensure concentric installation of the cam and the corresponding camshaft, which can be directly implemented using mature press-fitting positioning structures in the prior art. A linear bearing guide assembly 16 is disposed between the first positioning fixture 13 and the second positioning fixture 15. The linear bearing guide assembly 16 includes a linear bearing fixed on the first positioning fixture 13. A guide shaft is fixed on the second positioning fixture 15. The guide shaft and linear bearing cooperate to guide the movement between the two positioning fixtures. The linear bearing guide assembly 16 guides the second positioning fixture 15 to move up and down so that the cam and camshaft can be pressed. A support mechanism is provided on one side of the second positioning fixture 15 to support the second positioning fixture 15 and keep the bearing position stable during the bearing pressing. A lateral locking cylinder 17 keeps the cam 14 stable after the bushing or bearing pressing is completed. The drive end of the lateral locking cylinder 17 is connected to a positioning plate 18 that cooperates with the cam 14.

[0024] In use, the pressing mechanism 7 of this utility model first presses the bearing and cam 14. The support mechanism needs to support the second positioning fixture 15 to keep the position of the cam 14 unchanged. After the bearing is successfully pressed, the support mechanism removes the support of the second positioning fixture 15 and presses the cam and camshaft. Under the pressure of the press, the cam and the second positioning fixture 15 move down, so that the cam can be successfully pressed onto the camshaft. After pressing, the cam is fixed by the side locking cylinder 17, which cooperates with the cam to hold it in place and prevent the cam from being lifted after pressing. Finally, the bushing is pressed. After pressing, the cam is held in place by the side locking cylinder 17 to keep the cam position stable.

[0025] In one specific embodiment, the support mechanism of this utility model includes support cylinders 19 symmetrically arranged on both sides of the second positioning fixture 15, and support blocks 20 connected to the ends of the support cylinders 19. The support cylinders 19 drive the support blocks 20 to move to the bottom of the second positioning fixture 15 to support the second positioning fixture 15.

[0026] like Figure 5 As shown, the feeding mechanism 8 of this utility model includes a material cylinder 21 for storing bearings, a transition platform 22 for supporting bearings is provided below the material cylinder 21, and a push rod mechanism 23 for pushing the bearings to move is provided on one side of the transition platform 22. The push rod mechanism 23 includes a cylinder and a push plate fixed to the drive end of the cylinder. The push plate moves on the surface of the transition platform 22, pushing the falling bearings to move. At the same time, other bearings can be held in the material cylinder 21 by the push plate. After the push plate retracts, the bearings fall again. Opposite to the push rod mechanism 23... On the other side, a feeding platform 24 for receiving bearings is provided. The feeding platform 24 is connected to a feeding cylinder 25 for pushing the feeding platform 24 to the material pick-up position of the press frame. The bearings in the material cylinder 21 fall onto the transition platform 22 under the action of gravity. With the help of the push rod mechanism 23 and the feeding platform 24, the automatic feeding of bearings can be realized. The material cylinder 21 and the corresponding push rod mechanism 23 can be set into two sets to feed the bearings alternately. After the bearings in one material cylinder 21 are used up, the material can be loaded to ensure the continuity of the pressing process.

[0027] In use, the camshaft 12 and cam 14 are sequentially placed on the two positioning fixtures of the pressing mechanism 7 to complete the positioning. The feeding cylinder 25 pushes out the feeding platform 24, and the bearing moves to the picking position. The transfer mechanism 4 drives the bearing pressing head mechanism 2 to move to the picking position and connects with the picking mechanism. The picking cylinder pushes the pressing head of the bearing pressing head mechanism 2 downward to remove the bearing from the feeding platform 24. After the picking cylinder disengages from the bearing pressing head mechanism 2, the transfer mechanism 4 moves the bearing pressing head mechanism 2 to the picking position. The pressing position is connected to the press 5, and the bearing and cam are pressed by the press. After the pressing is completed, the transfer mechanism 4 drives the bearing pressing head mechanism 2 to move to the material taking position. At the same time, the bushing pressing head mechanism 3 is in the pressing position and connected to the press 5. While the bearing is being taken out, the press 5 drives the pressing head of the bushing pressing head mechanism 3 to move down to press the bushing, completing the pressing and assembly process of the components on the camshaft. After replacing the camshaft and cam on the pressing mechanism 7, the above actions are repeated to perform a new round of pressing operations.

[0028] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A double-head bearing press-fitting device, characterized in that, The press includes a press frame (1), a bearing press head mechanism (2), and a bushing press head mechanism (3). The bearing press head mechanism (2) and the bushing press head mechanism (3) are connected to a transfer mechanism (4) set on the press frame (1). The transfer mechanism (4) drives the bearing press head mechanism (2) and the bushing press head mechanism (3) to move between the corresponding pressing position and the material taking position. A press (5) is set on the press frame (1) for cooperating with the bearing press head mechanism (2) and the bushing press head mechanism (3) to press the corresponding products, and a press for feeding is also provided. The material taking mechanism (6) is used for taking materials; the driving ends of the press (5) and the material taking mechanism (6) are detachably connected to the bearing head mechanism (2) and the bushing head mechanism (3) through the same connection structure. The bearing head mechanism (2) and the bushing head mechanism (3) are switched in connection state by the transfer mechanism (4); a pressing mechanism (7) is set at the pressing position to position the cam and shaft to cooperate with the press for pressing; and a feeding mechanism (8) is set at the material taking position to automatically feed the bearing.

2. The double-height bearing press device of claim 1, wherein, The connection structure includes a connecting rod (9) set at the drive end of the press (5) and the material taking mechanism (6), a connecting plate (10) fixed at the end of the connecting rod (9), and a connecting groove (11) set on the corresponding pressure head of the bearing pressure head mechanism (2) and the bushing pressure head mechanism (3). The cross-sectional shape of the connecting groove (11) matches the shape of the connecting rod (9) and the connecting plate (10). When the transplanting mechanism (4) drives the bearing pressure head mechanism (2) and the bushing pressure head mechanism (3) to move, the end of the connecting rod (9) and the connecting plate (10) are inserted into the corresponding connecting groove (11) from one end to complete the connection.

3. The double-height bearing press installation of claim 1, wherein, The pressing mechanism (7) includes a first positioning fixture (13) for positioning the camshaft (12) and a second positioning fixture (15) for positioning the cam (14) above the first positioning fixture (13). A linear bearing guide assembly (16) is provided between the first positioning fixture (13) and the second positioning fixture (15). The second positioning fixture (15) is guided to move up and down by the linear bearing guide assembly (16). A support mechanism is provided on one side of the second positioning fixture (15) to support the second positioning fixture (15) and keep the bearing position stable during bearing pressing. A lateral locking cylinder (17) is provided to keep the cam (14) stable after the bushing or bearing pressing is completed. The drive end of the lateral locking cylinder (17) is connected to a positioning plate (18) for cooperating with the cam (14).

4. The double-height bearing press installation of claim 3, wherein, The support mechanism includes support cylinders (19) symmetrically arranged on both sides of the second positioning fixture (15), and a support block (20) connected to the end of the support cylinder (19). The support cylinder (19) drives the support block (20) to move to the bottom of the second positioning fixture (15) to support the second positioning fixture (15).

5. The double-height bearing press installation of claim 1, wherein, The feeding mechanism (8) includes a material cylinder (21) for storing bearings, a transition platform (22) for carrying bearings is provided below the material cylinder (21), a push rod mechanism (23) for pushing the bearings to move is provided on one side of the transition platform (22), and a feeding platform (24) for receiving bearings is provided on the other side opposite to the push rod mechanism (23). The feeding platform (24) is connected to a feeding cylinder (25) for pushing the feeding platform (24) to the material taking position of the press frame.

6. The double-height bearing press device of claim 1, wherein, The transplanting mechanism (4) includes a mounting plate (26) fixed on the press frame (1), a guide rail (27) set on the plate surface of the mounting plate (26), and a transplanting cylinder (28). The bearing press head mechanism (2) and the bushing press head mechanism (3) are slidably connected to the guide rail (27) through the second mounting plate (29). The installation spacing of the bearing press head mechanism (2) and the bushing press head mechanism (3) on the second mounting plate (29) is set according to the pressing position and the material taking position of the press frame (1). The end of the transplanting cylinder (28) is connected to the second mounting plate (29) to drive the bearing press head mechanism (2) and the bushing press head mechanism (3) to move synchronously.

7. A double-height bearing press assembly as in claim 6, wherein, The bearing pressure head mechanism (2) and the bushing pressure head mechanism (3) have the same structure. Both include a sliding bracket (30) for sliding connection with the second mounting plate (29) along the pressure head pressing direction. An upper mounting plate (31) and a lower mounting plate (32) floatingly connected to the upper mounting plate (31) are fixedly installed on the sliding bracket (30). The corresponding pressure head passes through the upper mounting plate (31) and the lower mounting plate (32) and is fixedly connected to the lower mounting plate (32). The upper end of the pressure head is connected to the connecting structure.

8. A double-height bearing press assembly as set forth in claim 7, wherein, A slotted sensor (33) for detecting material on the pressure head is provided on the outside of the pressure head on the lower mounting plate (32).

9. The double-height bearing press device of claim 1, wherein, The material taking mechanism (6) is a material taking cylinder. The driving end of the material taking cylinder is connected to the pressure head of the bearing pressure head mechanism (2) through a connecting structure, which drives the pressure head to move down to take the bearing material.

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