Multi-station movable offset press-fitting device
By introducing load-bearing rails and load-bearing blocks into the press-fitting device, the press-fitting load is transferred to the load-bearing rails, which solves the problem of high linear guide rail strength of traditional servo presses under special working conditions and reduces costs.
Patent Information
- Application Number
- CN202423039596.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-10
AI Technical Summary
Traditional servo presses cannot be placed between two linear guide rails under special working conditions, resulting in high strength requirements for the linear guide rails and increased costs.
The design of bearing rails and bearing blocks is adopted to transfer the press load to the bearing rails. The first linear guide only bears the static gravity load, and the movement of the press is achieved through the second linear guide and screw system.
The strength requirement for the linear guide is reduced, and the cost is reduced.
Smart Images
Figure CN223465849U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automatic press fitting, more particularly, it relates to a multi-station movable offset press fitting device. BACKGROUND
[0002] The application of automatic press fitting mechanism is very wide in the field of automation, for example: bearings, bushings, pins all need to be pressed into specified products by hydraulic or servo press. In actual press fitting equipment, a servo press needs to move position to complete the press fitting task of different stations in some special cases, and the traditional servo press moving mechanism is designed to be arranged in the middle of two parallel linear guides and perpendicular to the linear guides. According to the use specification of linear guide, this mode is the most ideal stress mode of linear guide, but in special working conditions, for example, other equipment cannot be avoided above the moving track of servo press, which causes the servo press to be unable to be arranged in the middle of two linear guides. The solution is to arrange two linear guides in parallel, and the servo press is arranged on the same side of the two linear guides and perpendicular to the linear guides.
[0003] The existing arrangement mode has high strength requirements for the two linear guides under the working condition with large load, and a large linear guide needs to be selected, thereby the problem of cost increase occurs. UTILITY MODEL CONTENTS
[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a multi-station movable offset press fitting device, which can transfer the load during press fitting to the bearing rail through the arrangement of the bearing rail and the bearing block, so that the first linear guide only needs to bear the gravity load during static state, thereby reducing the strength requirement for the linear guide and reducing the cost.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a multi-station movable offset press fitting device, comprising a base frame;
[0006] A fixed frame is arranged on one side of the top of the base frame and can slide along the horizontal straight line direction relative to the base frame;
[0007] Two first linear guides are arranged on the top of the base frame, and the fixed frame slides along the length direction of the first linear guide on the two first linear guides;
[0008] A bearing rail is arranged on one side of the two first linear guides, and the bearing rail is arranged as a U-shaped rail to form a bearing groove on the top of the bearing rail, and the length direction of the bearing groove is parallel to the length direction of the first linear guide;
[0009] A bearing block is fixedly connected to the bottom of the fixed frame and embedded into the bearing groove.
[0010] A press is fixedly connected to the top of the fixed frame, and the action direction of the press is horizontal and perpendicular to the length direction of the first linear guide rail.
[0011] The utility model further sets up: bearing groove's groove wall of bearing rail is provided with a plurality of along bearing groove length direction arrangement's bearing block, and each bearing block corresponds to a press fitting station, and the bearing block is arranged on the side close to or away from the first linear guide rail of the bearing groove.
[0012] The utility model further sets up: the second linear guide rail is arranged on the fixed frame, the length direction of the second linear guide rail is horizontal and perpendicular to the length direction of the first linear guide rail, and the press slides along the length direction of the second linear guide rail on the second linear guide rail.
[0013] The utility model further sets up: still include screw rod, and the screw rod is rotatably connected to the top of the base frame and is rotated by motor driving;
[0014] And the screw nut is fixedly connected to the bottom of the fixed frame and is screwed with the screw rod.
[0015] The utility model further sets up: still include first proximity sensor, and the first proximity sensor is arranged at one end of the two first linear guide rails;
[0016] And the second proximity sensor is arranged at the other end of the two first linear guide rails.
[0017] The utility model further sets up: the two sides close to the groove wall of the bearing block are provided with two grooves;
[0018] The bearing block is provided with a protrusion matched with the groove on the side of the bearing tube.
[0019] The utility model further sets up: the bottom of the fixed frame is rotatably connected with two rollers, the axis of the two rollers is vertical, and the two sides contact with the groove wall of the bearing groove, and the two rollers are located at the position close to the two ends of the bearing tube of the bearing rail.
[0020] Compared with the prior art, the utility model has the following beneficial effects: through the setting of the bearing rail and the bearing block, the load during press fitting can be transferred to the bearing rail, the first linear guide rail only needs to bear the gravity load during static state, the strength requirement of the linear guide rail is reduced, and the cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1A schematic view of the overall structure of the embodiment;
[0022] Figure 2 A schematic view of the pressure block of the embodiment;
[0023] Figure 3 A schematic view of the A part of the embodiment; Figure 2
[0024] Figure 4 A schematic view of the press of the embodiment.
[0025] In the figure: 1, base frame; 2, first linear guide rail; 3, fixed frame; 31, second linear guide rail; 4, press; 5, bearing rail; 51, bearing groove; 52, pressure block; 6, lead screw; 7, bearing block; 71, groove; 8, first proximity sensor; 9, second proximity sensor. DETAILED DESCRIPTION
[0026] In order to make the technical scheme of the utility model better understood by the people in the art, the technical scheme of the utility model will be described clearly and completely below in combination with the drawings of the utility model. Based on the embodiment in the present application, other similar embodiments obtained by the people in the art without making creative efforts should all belong to the scope of protection of the present application. In addition, the directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc. are only the directions of the drawings, therefore, the directional words used are used to explain but not to limit the present application.
[0027] The utility model will be further described below in combination with the drawings and the preferred embodiments.
[0028] Embodiment: a multi-station movable bias press-fitting device, referring to the drawings of the embodiment Figure 1 - the drawings of the embodiment Figure 4 , including base frame 1, fixed frame 3, first linear guide rail 2, bearing rail 5, bearing block 7 and press 4;The fixed frame 3 is arranged at one side of the top of the base frame 1 and can slide along the horizontal straight line direction relative to the base frame 1;The first linear guide rail 2 is provided with two and is fixed at the top of the base frame 1, and the fixed frame 3 slides along the length direction of the first linear guide rail 2 on the two first linear guide rails 2;The bearing rail 5 is arranged at one side of the two first linear guide rails 2, and the bearing rail 5 is arranged as a U-shaped rail to form a bearing groove 51 at the top of the bearing rail 5, and the length direction of the bearing groove 51 is parallel to the length direction of the first linear guide rail 2;The bearing block 7 is fixedly connected to the bottom of the fixed frame 3 and is embedded into the bearing groove 51;The press 4 is fixedly connected to the top of the fixed frame 3, and the acting direction of the press 4 is horizontal and perpendicular to the length direction of the first linear guide rail 2.
[0029] Through the arrangement of the bearing rail 5 and the bearing block 7, the load during pressing can be transferred to the bearing rail 5 through the bearing pipe, and the first linear guide rail 2 only needs to bear the gravity load during static state, thereby reducing the strength requirement for the linear guide rail and reducing the cost.
[0030] Specifically, in the embodiment, the bearing rail 5 is arranged on one side of the two first linear guide rails 2 close to the middle position of the base frame 1.
[0031] Specifically, a plurality of pressure blocks 52 are arranged on the groove wall of the bearing groove 51 along the length direction of the bearing groove 51, and each pressure block 52 corresponds to a pressing station. The pressure blocks 52 are arranged on one side of the bearing groove 51 close to the first linear guide rail 2 or on the side away from the first linear guide rail 2. The station corresponding to the pressure block 52 arranged on the side of the bearing groove 51 close to the first linear guide rail 2 is a push pressing station, and the station corresponding to the pressure block 52 arranged on the side of the bearing groove 51 away from the first linear guide rail 2 is a pull pressing station.
[0032] Specifically, the second linear guide rail 31 is arranged on the fixed frame 3, the length direction of the second linear guide rail 31 is horizontal and perpendicular to the length direction of the first linear guide rail 2, and the pressing machine 4 slides on the second linear guide rail 31 along the length direction of the second linear guide rail 31. Through the arrangement of the second linear guide rail 31, when the pressing machine 4 is working, the load can be transferred to the bearing rail 5 through the sliding on the fixed frame 3.
[0033] Specifically, at least two sliding blocks fixedly connected to the pressing machine 4 are arranged on the two second linear guide rails 31; and at least two sliding blocks fixedly connected to the bottom of the fixed frame 3 are arranged on the two first linear guide rails 2.
[0034] Specifically, the embodiment further comprises a lead screw 6 and a lead nut. The lead screw 6 is rotationally connected to the top of the base frame 1 and is driven to rotate by a motor; and the lead nut is fixedly connected to the bottom of the fixed frame 3 and is in threaded cooperation with the lead screw 6.
[0035] Specifically, the embodiment further comprises a first proximity sensor 8 and a second proximity sensor 9. The first proximity sensor 8 is arranged at one end of the two first linear guide rails 2; and the second proximity sensor 9 is arranged at the other end of the two first linear guide rails 2. Through the arrangement of the two proximity sensors, whether the fixed frame 3 moves to the position close to the two ends of the first linear guide rail 2 can be detected.
[0036] Specifically, the bearing block 7 is provided with two grooves 71 close to the two sides of the groove wall of the bearing groove 51; and the pressure block 52 is provided with a protrusion matched with the groove 71 on the side in contact with the bearing pipe. Through the arrangement of the groove 71 and the protrusion, the bearing block 7 is not easy to be raised upward when the load is applied to the pressure block 52.
[0037] Specifically, the fixed frame 3 is rotatably connected with two rollers at the bottom, the axis of the two rollers is vertical and the two rollers are in contact with the groove walls on both sides of the bearing groove 51, and the two rollers are respectively located at the positions close to the two ends of the bearing rail 5.
[0038] The preferred embodiments of the present application have been described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical solutions falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and refinements without departing from the principles of the present application, these improvements and refinements shall also be considered as the protection scope of the present application.
Claims
1. A multi-station mobile bias press device, characterized by: It comprises a base frame (1); A fixed frame (3) is arranged on one side of the top of the base frame (1) and can slide along the horizontal straight line direction relative to the base frame (1); Two first linear guides (2) are arranged on the top of the base frame (1), and the fixed frame (3) slides along the length direction of the first linear guide (2) on the two first linear guides (2); A bearing rail (5) is arranged on one side of the two first linear guides (2), and the bearing rail (5) is arranged as a U-shaped rail to form a bearing groove (51) on the top of the bearing rail (5), and the length direction of the bearing groove (51) is parallel to the length direction of the first linear guide (2); A bearing block (7) is fixedly connected to the bottom of the fixed frame (3) and embedded in the bearing groove (51); And a press (4) is fixedly connected to the top of the fixed frame (3), and the acting direction of the press (4) is horizontal and perpendicular to the length direction of the first linear guide (2).
2. The multi-station mobile bias press device of claim 1, wherein: The groove wall of the bearing groove (51) of the bearing rail (5) is provided with a plurality of pressure blocks (52) arranged along the length direction of the bearing groove (51), and each pressure block (52) corresponds to a pressure assembly station, and the pressure block (52) is arranged on one side of the bearing groove (51) close to the first linear guide (2) or away from the first linear guide (2).
3. The multi-station mobile bias press device of claim 1, wherein: The fixed frame (3) is provided with a second linear guide (31), and the length direction of the second linear guide (31) is horizontal and perpendicular to the length direction of the first linear guide (2), and the press (4) slides along the length direction of the second linear guide (31) on the second linear guide (31).
4. The multi-station mobile bias press device of claim 1, wherein: It also comprises a lead screw (6) which is rotatably connected to the top of the base frame (1) and is driven to rotate by a motor; And a nut is fixedly connected to the bottom of the fixed frame (3) and threadedly cooperates with the lead screw (6).
5. The multi-station mobile bias press device of claim 1, wherein: It also comprises a first proximity sensor (8) arranged at one end of the two first linear guides (2); And a second proximity sensor (9) arranged at the other end of the two first linear guides (2).
6. The multi-station mobile bias press device of claim 2, wherein: The bearing block (7) is provided with two grooves (71) close to the two sides of the groove wall of the bearing groove (51); The pressure block (52) is provided with a protrusion matched with the groove (71) on the side matched with the bearing tube.
7. The multi-station mobile bias press device of claim 1, wherein: The bottom of the fixed frame (3) is rotatably connected with two rollers, the axes of the two rollers are vertical, and the two sides are in contact with the groove walls on both sides of the bearing groove (51), and the two rollers are respectively located at the positions of the bearing tube close to the two ends of the bearing rail (5).