Opposite plane broaching equipment for ship bearing bush
By employing the bidirectional reciprocating motion of the drive and meshing components, the problem of workpiece displacement in marine bearing broaching equipment is solved, achieving higher machining accuracy.
Patent Information
- Application Number
- CN202520451188.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-14
AI Technical Summary
Existing ship bearing broaching equipment is prone to workpiece displacement during the machining of mating surfaces, which affects machining accuracy.
The drive assembly provides power to drive the sliding assembly and the meshing assembly to achieve bidirectional reciprocating motion. The meshing of gears and racks enables bidirectional reciprocating broaching of the workpiece, enhancing the stability of the workpiece during the broaching process.
It improves the stability of the workpiece during the broaching process, avoids workpiece displacement, and enhances machining accuracy.
Smart Images

Figure CN223811621U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ship bearing bush processing technical field especially, and relates to a kind of mouth plane broaching equipment of ship bearing bush. BACKGROUND
[0002] Bearing bush is the part of sliding bearing and shaft neck contact, shape is the semicylindrical surface of tile, very smooth, generally use bronze, friction-reducing alloy etc. Wear-resistant material is made, ship bearing bush as one of aircraft parts, when processing, generally need to broach treatment to its mouth plane, thus need to use to broaching equipment.
[0003] Such as patent number CN218983380U discloses a kind of mouth plane broaching equipment of ship bearing bush, by being provided with pusher, drive cavity, third telescopic drive, third telescopic drive is started to make it drive pusher to go up, pusher removes from through slot and hoists bearing bush, to separate bearing bush and cambered surface processing platform, to improve the convenience when bearing bush is taken, but because its broaching mechanism structure is simple, only simultaneously broaching to same direction when broaching workpiece, it is easy to make workpiece displacement in broaching process, to affect workpiece precision, needs to be improved. UTILITY MODEL CONTENT
[0004] The utility model aims at solving above-mentioned problem and provides a kind of mouth plane broaching equipment of ship bearing bush.
[0005] The utility model achieves the above-mentioned purposes by the following technical solutions:
[0006] A kind of mouth plane broaching equipment of ship bearing bush, including base, fixed mounting is equipped with support frame on base upper end surface, telescopic assembly for the telescopic pressure of workpiece is equipped on support frame upper end, fixed mounting is equipped with shell on base, the groove mouth is opened in shell upper end, fixed seat is fixedly arranged on the upper end surface of shell, fixed mounting is equipped with inner top block on the fixed seat upper end, the friction block for increasing friction is arranged on the surface of inner top block, the driving assembly for providing power drive is arranged in the lower end of shell, sliding assembly for power transmission is equipped on driving assembly, meshing assembly for realizing bidirectional reciprocating motion broaching is installed in the upper position in shell interior.
[0007] Further setting: telescopic assembly includes telescopic cylinder fixedly installed on the upper end surface of support frame, and upper pressure piece is fixedly installed on the telescopic end position of telescopic cylinder.
[0008] Further setting: meshing assembly includes gear wheel rotationally installed on the top wall of shell, and first rack and second rack meshed with gear wheel are installed on the both sides of gear wheel, and broaching plate is fixedly installed on the upper end surface of first rack and second rack and slidably cooperates with groove mouth.
[0009] Further arrangement: the sliding assembly comprises a fixed part fixedly installed on the lower end surface of the first rack, and a notch part is fixedly installed on the fixed part.
[0010] Further arrangement: the driving assembly comprises a fixed plate fixedly installed on the lower end of the shell, a motor is fixedly installed on the lower end surface of the fixed plate, a rocker arm is installed on the output end of the motor, and a connecting shaft slidingly matched with the notch part is fixedly arranged at one end of the rocker arm.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the driving assembly is arranged to provide power to drive the sliding assembly to move and drive the meshing assembly to realize bidirectional reciprocating motion, so that bidirectional reciprocating broaching of the facing plane of the workpiece is realized after the workpiece is fixed, the stability during broaching is improved through the bidirectional force of the meshing assembly, and the problem that the workpiece is prone to displacement during broaching and thus affects the precision of the workpiece is solved. BRIEF DESCRIPTION OF DRAWINGS
[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.
[0013] Figure 1 is the axonometric view of the facing plane broaching equipment for the ship bearing bush of the utility model;
[0014] Figure 2 is the driving assembly structure diagram of the facing plane broaching equipment for the ship bearing bush of the utility model;
[0015] Figure 3 is the meshing assembly structure diagram of the facing plane broaching equipment for the ship bearing bush of the utility model;
[0016] Figure 4 is the sliding assembly structure diagram of the facing plane broaching equipment for the ship bearing bush of the utility model.
[0017] The reference signs are explained as follows:
[0018] 1, base; 2, support frame; 3, fixed plate; 11, shell; 12, fixed seat; 13, inner top block; 14, friction block; 15, sliding slot; 21, telescopic air cylinder; 22, upper pressing part; 31, motor; 32, gear; 33, first rack; 34, second rack; 301, rocker arm; 302, connecting shaft; 303, fixed part; 304, notch part; 306, broaching plate. DETAILED DESCRIPTION
[0019] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of 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.
[0021] The present invention will be further described below with reference to the accompanying drawings:
[0022] like Figures 1-4 As shown, a broaching device for ship bearing bushes includes a base 1, a support frame 2 fixedly installed on the upper surface of the base 1, a telescopic component for extending and pressing the workpiece on the upper end of the support frame 2, a housing 11 fixedly installed on the base 1, a sliding groove 15 opened on the upper end of the housing 11, a fixed seat 12 fixedly installed on the upper surface of the housing 11, an inner top block 13 fixedly installed on the upper end of the fixed seat 12, a friction block 14 for increasing friction on the surface of the inner top block 13, a drive component for providing power drive at the lower end of the housing 11, a sliding component for transmitting power on the drive component, and an engagement component for realizing bidirectional reciprocating broaching motion installed in the upper part of the housing 11.
[0023] In this embodiment: the telescopic assembly includes a telescopic cylinder 21 fixedly installed on the upper end face of the support frame 2, and an upper pressure member 22 is fixedly installed at the telescopic end of the telescopic cylinder 21; when using the device, the workpiece is placed on the inner top block 13, the telescopic cylinder 21 extends, and the inner and outer surfaces of the workpiece are tightly pressed against the inner top block 13 and the upper pressure member 22. The friction block 14 on the inner top block 13 can increase the friction force to prevent the workpiece from shifting.
[0024] In the embodiment, the engaging assembly comprises a gear 32 rotatably mounted on the top wall of the shell 11, first and second racks 33 and 34 mounted on both sides of the gear 32 and engaged with the gear 32, and a broaching plate 306 fixedly mounted on the upper end faces of the first and second racks 33 and 34 and slidably matched with the sliding groove 15; the sliding assembly comprises a fixed member 303 fixedly mounted on the lower end face of the first rack 33 and a slot member 304 fixedly mounted on the fixed member 303; and the driving assembly comprises a fixed plate 3 fixedly mounted on the lower end of the shell 11, a motor 31 fixedly mounted on the lower end face of the fixed plate 3, a rocker arm 301 mounted on the output end of the motor 31, and a connecting shaft 302 fixedly arranged on one end of the rocker arm 301 and slidably matched with the slot member 304. When the motor 31 is started, the motor 31 drives the rocker arm 301 to rotate, the rotation of the rocker arm 301 drives the first rack 33 to move, the first rack 33 transmits power to the second rack 34 through the gear 32, and the second rack 34 moves in the opposite direction of the first rack 33, so that the broaching plate 306 reciprocally broaches the workpiece in two directions.
[0025] The working principle and use process of the utility model are as follows: when the device is used, the workpiece is placed on the inner top block 13, the telescopic cylinder 21 is extended, and the inner and outer surfaces of the workpiece are tightly attached to the inner top block 13 and the upper pressing piece 22; the friction block 14 on the inner top block 13 can increase the friction force to prevent the workpiece from being displaced; at this time, the two side faces of the workpiece are attached to the friction surface of the broaching plate 306; the motor 31 is started, the motor 31 drives the rocker arm 301 to rotate, the rotation of the rocker arm 301 drives the first rack 33 to move, the first rack 33 transmits power to the second rack 34 through the gear 32, and the second rack 34 moves in the opposite direction of the first rack 33, so that the broaching plate 306 reciprocally broaches the workpiece in two directions, thereby improving the stability during broaching and solving the problem that the workpiece is easily displaced during the broaching process, thereby affecting the precision of the workpiece.
[0026] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model; under the premise of not departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed.
Claims
1. A broaching device for mating surfaces of ship bearing bushes, comprising a base (1), wherein a support frame (2) is fixedly mounted on the upper surface of the base (1), and the upper end of the support frame (2) is provided with a telescopic component for telescopically pressing the workpiece, characterized in that: A housing (11) is fixedly installed on the base (1). A sliding groove (15) is opened at the upper end of the housing (11). A fixed seat (12) is fixedly installed on the upper surface of the housing (11). An inner top block (13) is fixedly installed on the upper end of the fixed seat (12). A friction block (14) is provided on the surface of the inner top block (13) to increase friction. A drive assembly that provides power drive is provided at the lower end of the housing (11). A sliding assembly that transmits power is provided on the drive assembly. An engagement assembly that realizes bidirectional reciprocating motion broaching is installed in the upper part of the housing (11).
2. The broaching equipment for mating surfaces of ship bearings according to claim 1, characterized in that: The telescopic assembly includes a telescopic cylinder (21) fixedly installed on the upper end face of the support frame (2), and an upper pressure member (22) is fixedly installed at the telescopic end position of the telescopic cylinder (21).
3. The broaching equipment for mating surfaces of ship bearings according to claim 1, characterized in that: The meshing assembly includes a gear (32) rotatably mounted on the top wall of the housing (11). A first rack (33) and a second rack (34) meshing with the gear (32) are respectively mounted on both sides of the gear (32). A broaching plate (306) that slides with the slide groove (15) is fixedly mounted on the upper end face of the first rack (33) and the second rack (34).
4. The broaching equipment for mating surfaces of ship bearings according to claim 3, characterized in that: The sliding assembly includes a fixing member (303) fixedly installed on the lower end face of the first rack (33), and a slotted member (304) is fixedly installed on the fixing member (303).
5. The broaching equipment for mating surfaces of ship bearings according to claim 4, characterized in that: The drive assembly includes a fixed plate (3) fixedly installed at the lower end of the housing (11), a motor (31) fixedly installed on the lower end surface of the fixed plate (3), a rocker arm (301) installed on the output end of the motor (31), and a connecting shaft (302) that slides with the slotted part (304) is fixedly provided at one end of the rocker arm (301).
Citation Information
Patent Citations
Opposite plane broaching equipment for oversized ship bearing bush
CN218983380U