Bushing press-fitting device
By designing a bushing pressing device with an electric push rod and rotatable bolts, the problem of inconvenient fixture replacement in existing devices has been solved, enabling rapid positioning and pressing of bushings of different sizes, and improving the flexibility and accuracy of the pressing process.
Patent Information
- Application Number
- CN202422815896.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-11-19
AI Technical Summary
Existing bushing pressing devices are inconvenient to change fixtures and are difficult to adapt to the pressing needs of bushings of different sizes.
A bushing pressing device including an electric push rod and a rotatable bolt was designed. By using a combination of clamps and connectors, it can quickly position and clamp bushings of different sizes. The height of the bearing plate can be adjusted with the help of scale lines to limit the downward stroke of the pressing plate.
It enables convenient positioning and pressing of bushings of different sizes, avoids excessive downward movement of the pressing plate, and improves the flexibility and accuracy of the pressing process.
Smart Images

Figure CN223801912U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of press fitting machine, more particularly to a bushing press fitting device. BACKGROUND
[0002] The bushing is a matched part for the outer part of the mechanical component to achieve the sealing, wear protection and other functions, which is a ring sleeve for the gasket function, and during the installation, the inner and outer ring components need to be press fitted by the press fitting machine, and during the use, the outer ring component needs to be positioned, and different shapes of clamps need to be selected and replaced for assembly and adaptation according to the diameter of the outer ring, which is not convenient in use, and therefore a bushing press fitting device needs to be designed. SUMMARY
[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a bushing press fitting device to solve the problems in the above-mentioned background art.
[0004] The utility model provides the following technical scheme: a bushing press fitting device, including press fitting machine main part, the press fitting machine main part includes machine table main body, stand, roof, hydraulic cylinder, press fitting plate and press fitting head, both sides of the top end of machine table main body are equipped with positioning assembly, the positioning assembly includes mounting bracket, the mounting bracket is fixedly installed in both sides of the top end of machine table main body, the side of the mounting bracket that is close to each other is fixedly installed with electric push rod, the telescopic end of electric push rod is fixedly installed with connecting head, the side of connecting head that is close to each other is installed with clamping piece, the side of connecting head that is far away from each other is movably penetrated and is installed with bolt, the side of clamping piece that is far away from each other is equipped with the threaded groove that is matched with bolt, and clamping piece is connected through bolt and connecting head, and electric push rod works, and the outside of bushing can be clamped and positioned through clamping piece, when press fitting of different size and model bushings, rotating bolt can complete the separation between clamping piece and connecting head, and it is convenient to replace and use clamping pieces and connecting heads of different sizes in combination.
[0005] Further, the top end of the machine table main body is fixedly installed with a positioning rod, which is located at the center between the two connecting heads, so as to quickly guide the placement position of the bushing through the positioning rod, place the bushing on the top of the positioning rod, and also play an auxiliary fixing role.
[0006] Further, the top end of the mounting bracket is provided with a threaded groove, and the top end of the mounting bracket is provided with a screw rod through a threaded connection, and the top end of the screw rod is fixedly installed with a bearing plate, so as to rotate the screw rod, adjust the height of the bearing plate, adjust the bearing plate to the same height as the bushing, and avoid the downward stroke of the press fitting plate and the press fitting head being too large by abutting the bearing plate and the press fitting plate during the press fitting process.
[0007] Furthermore, an anti-slip sleeve is fitted onto the outer top of the screw, and the surface of the anti-slip sleeve is provided with anti-slip texture to facilitate gripping the anti-slip sleeve and rotating the screw.
[0008] Furthermore, guide rods are fixedly installed on the sides of the connectors that are close to each other, and slots adapted to the guide rods are opened on the sides of the clamps that are far apart from each other, so as to facilitate alignment by inserting the guide rods and the slots.
[0009] Furthermore, the surfaces of the two front columns are provided with vertical scale lines, and the scale lines are red in color, which helps to observe the height of the support plate.
[0010] The technical effects and advantages of this utility model are as follows:
[0011] 1. The present invention adopts this design, in which the clamping plate is connected to the connector by bolts, the electric push rod works, and the clamping plate can clamp and position the outer side of the bushing. When pressing bushings of different sizes and models, rotating the bolts can separate the clamping plate and the connector, which is convenient for replacing clamping plates and connectors of different sizes for use.
[0012] 2. This utility model adopts this design, which allows the bearing plate to move up and down by rotating the screw. By observing the height of the scale line on the column, the bearing plate is rotated to match the height of the outer ring. During the pressing of the bushing, after the pressing plate moves down to a certain position, the bearing plate and the pressing plate abut against each other, which can limit the continuous downward pressing of the pressing plate and avoid excessive downward stroke of the pressing plate and the pressing head. Attached Figure Description
[0013] Figure 1 This is a frontal sectional view of the structure of this utility model.
[0014] Figure 2 This is a front view cross-sectional schematic diagram of the positioning component structure of this utility model.
[0015] Figure 3 This is a front view cross-sectional diagram of the connector structure of this utility model.
[0016] Figure 4 This is a top view of the connector structure of this utility model.
[0017] In the diagram: 100, main body of the press machine; 110, main body of the machine platform; 111, column; 112, top plate; 113, hydraulic cylinder; 114, press plate; 115, press head; 200, positioning assembly; 210, mounting bracket; 211, electric push rod; 212, connector; 213, clamp; 214, bolt; 215, guide rod; 216, screw; 217, bearing plate; 218, anti-slip sleeve; 219, positioning rod. DETAILED DESCRIPTION
[0018] The technical solutions in the utility model will be described clearly and completely below with reference to the drawings in the utility model.
[0019] Embodiment one: refer to Figures 1-4 The utility model provides a bush press fitting device, including press fitting machine main body 100, press fitting machine main body 100 includes machine table main body 110, stand 111, roof 112, hydraulic cylinder 113, press fitting plate 114 and press fitting head 115, and both sides of the top end of machine table main body 110 are equipped with positioning assembly 200, positioning assembly 200 includes mounting bracket 210, mounting bracket 210 is fixedly installed in both sides of the top end of machine table main body 110, and the side of mutually approaching of mounting bracket 210 is fixedly installed with electric push rod 211, and the telescopic end of electric push rod 211 is fixedly installed with connecting head 212, and the side of mutually approaching of connecting head 212 is installed with clamping piece 213, and the side of mutually moving away of connecting head 212 is movably penetrated and is installed with bolt 214, and the side of mutually moving away of clamping piece 213 is equipped with the threaded groove that is matched with bolt 214, and the top end of machine table main body 110 is fixedly installed with positioning rod 219, and positioning rod 219 is located at the center between two connecting heads 212, and the side of mutually approaching of connecting head 212 is fixedly installed with guide rod 215, and the side of mutually moving away of clamping piece 213 is equipped with the insertion slot that is matched with guide rod 215.
[0020] The working principle of the utility model embodiment one: when using, the outer ring needing press fitting is placed in the top sleeve joint of positioning rod 219, then the inner ring is placed in the top of outer ring, through the telescopic drive electric push rod 211, makes connecting head 212 drive two clamping pieces 213 and holds positioning to outer ring, through the work of hydraulic cylinder 113 and extends, makes press fitting plate 114 slide downward outside stand 111, through press fitting head 115 and press to the inner ring in outer ring, realizes the press fitting of bush, when holding different outer rings, rotate bolt 214, let connecting head 212 and clamping piece 213 separate, then the insertion slot on the clamping piece 213 of different sizes is aligned and is inserted to guide rod 215, is connected and is locked through bolt 214.
[0021] Embodiment two:
[0022] The difference between the second embodiment and the first embodiment is that the top end of the mounting frame 210 is provided with a threaded groove, the top end of the mounting frame 210 is provided with a threaded rod 216 through screwing, the top end of the threaded rod 216 is fixedly provided with a bearing plate 217, the outer side of the top of the threaded rod 216 is provided with an anti-skid sleeve 218, the surface of the anti-skid sleeve 218 is provided with anti-skid lines, the surface of the two front columns 111 is provided with vertical scale lines, the color of the scale lines is red, the bearing plate 217 is moved up and down by rotating the threaded rod 216, the bearing plate 217 is rotated to be consistent with the height of the outer ring by observing the height of the scale lines on the column 111, and in the process of pressing the bushing, the pressing plate 114 is limited to continuously move downward by abutting the bearing plate 217 and the pressing plate 114 after moving downward to a certain position, so that the downward stroke of the pressing plate 114 and the pressing head 115 is avoided to be too large.
[0023] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;
[0024] Secondly: the utility model discloses the embodiment of the drawings only relates to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.
[0025] Finally: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A bush press fitting device, comprising a press body (100), the press body (100) comprising a machine table body (110), a column (111), a top plate (112), a hydraulic cylinder (113), a press plate (114) and a press head (115), characterized in that: The top of the machine body (110) is provided with positioning assembly (200) on both sides, the positioning assembly (200) includes mounting bracket (210), the mounting bracket (210) is fixedly installed on both sides of the top of the machine body (110), the side of the mounting bracket (210) close to each other is fixedly installed with electric push rod (211), the telescopic end of the electric push rod (211) is fixedly installed with connecting head (212), the side of the connecting head (212) close to each other is installed with clamping piece (213), the side of the connecting head (212) away from each other is movably penetrated and installed with bolt (214), the side of the clamping piece (213) away from each other is provided with the threaded groove matched with bolt (214).
2. A bush press fitting device according to claim 1, characterised in that: The top of the machine body (110) is fixedly installed with positioning rod (219), the positioning rod (219) is located at the center between the two connecting heads (212).
3. A bushing press fitting device according to claim 1, characterized in that: The top of the mounting bracket (210) is provided with threaded groove, the top of the mounting bracket (210) is installed with screw rod (216) through screw thread, the top of the screw rod (216) is fixedly installed with bearing plate (217).
4. A bush press fitting device according to claim 3, characterised in that: The top of the screw rod (216) is externally sleeved with anti-skid sleeve (218), the surface of the anti-skid sleeve (218) is provided with anti-skid lines.
5. A bushing press fitting device according to claim 1, characterized by: The side of the connecting head (212) close to each other is fixedly installed with guide rod (215), the side of the clamping piece (213) away from each other is provided with the insertion slot matched with guide rod (215).
6. A bushing press fitting device according to claim 1, characterized by: The surface of the two front posts (111) is provided with vertical scale line, and the color of the scale line is red.