CN220740086U

CN220740086U - Elastic pressing sleeve device for producing engine connecting rod

Info

Publication number: CN220740086U
Application number: CN202322451477.9U
Authority: CN
Inventors: 张恩富; 王永辉; 张卫; 李万凯; 王宾
Original assignee: Shandong Brilliance Connecting Rod Co ltd
Current assignee: Shandong Brilliance Connecting Rod Co ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-04-09
Anticipated expiration: 2033-09-11

Abstract

The utility model belongs to the technical field of engine connecting rod processing equipment, and particularly relates to an elastic sleeve pressing device for engine connecting rod production, which comprises a workbench, wherein an installation table convenient for placing a workpiece is arranged on the workbench front and back, a longitudinal moving mechanism is arranged on the workbench positioned on the outer side of the installation table, a transverse screw rod driving mechanism is arranged on a supporting frame, a sleeve pressing mechanism is arranged on the vertical screw rod driving mechanism, a bearing table is arranged on the installation table, a positioning seat designed in a T shape and a carrying disc designed in a hollow cylinder shape are arranged on the bearing table left and right, a lifting disc is arranged in the geometric center of the carrying disc, a positioning rod is arranged at the lower end of the lifting disc, an extension spring is sleeved on the periphery of the positioning rod, and an adapting block is further arranged in the carrying disc positioned on the periphery of the lifting disc. The utility model has reasonable design, simple structure and convenient processing, and can improve the utilization rate of device equipment, promote the working process and meet the use requirement.

Description

Elastic pressing sleeve device for producing engine connecting rod

Technical Field

The utility model belongs to the technical field of engine connecting rod processing equipment, and particularly relates to an elastic sleeve pressing device for producing an engine connecting rod.

Background

An engine connecting rod is a component that connects a piston and a crankshaft, and transmits the force applied by the piston to the crankshaft, converting the reciprocating motion of the piston into rotational motion of the crankshaft. The connecting rod body is generally composed of three parts, and the part connected with the piston pin is called a connecting rod small head; the part connected with the crankshaft is called a connecting rod big end, and the rod part connecting the small end and the big end is called a connecting rod body. The small end of the connecting rod is mostly of a thin-wall circular ring structure, and in order to reduce abrasion with the piston pin, a thin-wall bronze bushing is pressed in a small end hole. Small heads and bushings are drilled or milled with grooves to allow splashed oil droplets to enter the mating surfaces of the lubrication bushing and piston pin. The connecting rod body is a long rod member, and is also stressed in operation, and the rod body must have sufficient rigidity to prevent bending deformation. In order to avoid stress concentration, the connection parts of the connecting rod body and the small end and the big end are in large arc smooth transition.

At present, in order to effectively improve the service life of an engine connecting rod and under the cooperation of mechanical workpieces, the connecting rod generally needs to be matched with a bushing, the bushing is installed in a small hole of the connecting rod, in the existing bushing installation process, punching equipment (such as a punching cylinder, a punching hydraulic cylinder and the like) is adopted to press the bushing into the connecting rod, and certain defects exist in the working process: on the one hand, when a stamping device is used for pressing a sleeve, a workpiece is required to be placed on a workbench, after the workpiece is pressed, the workpiece is required to be taken down and then placed on the workbench, the stamping device is in a standby state in the process, so that the utilization rate of device equipment is not high, the working process is influenced to a certain extent, on the other hand, the compression force of a bushing is relatively large in the process of pressing the workpiece, the workbench is likely to be damaged, if the lower part of a small end of a connecting rod to be pressed is in a hollow state, the stability of the placement of the workpiece is influenced, the accuracy of the placement position of the workpiece is influenced, the working process of pressing the sleeve is limited, and the production and processing use requirements cannot be well met.

Disclosure of Invention

Aiming at the technical problems, the utility model provides the elastic sleeve pressing device for producing the engine connecting rod, which has the advantages of reasonable design, simple structure, convenience in processing, capability of realizing multiple purposes by one machine, improving the utilization rate of equipment, further improving the working process, guaranteeing the production and processing progress in a factory building, reducing the possibility of damaging the equipment, fully guaranteeing the stability of workpiece placement, guaranteeing the forming quality of the workpiece and meeting the production, processing and use requirements.

In order to achieve the above purpose, the technical scheme adopted by the utility model is that the elastic pressing sleeve device for producing the engine connecting rod comprises a workbench, wherein an installation table which is convenient for placing a workpiece is arranged on the workbench front and back, a longitudinal moving mechanism is arranged on the workbench which is positioned on the outer side of the installation table, a supporting frame is arranged above the longitudinal moving mechanism, a transverse screw rod driving mechanism is arranged on the supporting frame, a vertical screw rod driving mechanism is arranged on the transverse screw rod driving mechanism, a pressing sleeve mechanism is arranged on the vertical screw rod driving mechanism, a bearing table is arranged on the installation table, a positioning seat which is designed in a T shape and a bearing disc which is designed in a hollow cylinder shape are arranged on the bearing table left and right, a lifting disc is arranged in the geometric center of the bearing disc, a positioning rod is arranged at the lower end of the lifting disc, an expansion spring is sleeved on the periphery of the positioning rod, and an adapting block is also arranged in the bearing disc which is positioned on the periphery of the lifting disc.

Preferably, the sleeve pressing mechanism comprises a connecting plate which is connected with the vertical screw rod driving mechanism and is in an L-shaped design, a punching cylinder is arranged at the upper end of the connecting plate, the output end of the punching cylinder penetrates through the connecting plate and is provided with a connecting rod, a sleeve is arranged on the periphery of the connecting rod, an installation sleeve is arranged at the end part of the connecting rod, and an elastic sheet is arranged in the installation sleeve.

Preferably, three adaptation blocks are uniformly distributed in the carrying disc, the outer end face of the adaptation block close to the lifting disc is in a conical design, a limit rod is arranged on the periphery of the lower end of the lifting disc, the limit rod and the adaptation blocks are staggered, and a limit groove is formed in the carrying disc corresponding to the limit rod.

Preferably, the longitudinal moving mechanism comprises two sliding strips which are arranged left and right, and the sliding strips are sleeved with sliding blocks and connected with the lower end of the supporting frame.

Preferably, key-shaped holes are formed in mounting tables located on two sides of the bearing table, positioning plates in L-shaped design are arranged on the outer sides of the bearing table, and connecting holes are formed in the positioning plates.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the elastic sleeve pressing device for producing the engine connecting rod, provided by the utility model, the sleeve pressing mechanism can be driven to freely move in the horizontal direction through the arranged longitudinal moving mechanism, so that convenience is provided for the device to realize multi-station conversion, and the utilization rate of the device mechanism is effectively improved; through the arranged transverse screw rod driving mechanism and the vertical screw rod driving mechanism, the pressing sleeve mechanism can be driven to finish moving adjustment in multiple directions, different production and processing use requirements are met, and the use functionality of the device is greatly improved; the carrier disc, the lifting disc, the positioning rod and the telescopic spring are arranged, so that a good damping and buffering effect is provided for equipment parts of the device, the possibility of damage to the equipment is reduced, the forming quality of a workpiece is further ensured, and the use requirement is met; this device reasonable in design, simple structure, processing convenience and on the one hand can realize a tractor serves several purposes, improve the utilization ratio of device equipment, and then promote working process, the production and processing progress in the guarantee factory building, on the other hand can reduce equipment and take place the possibility of damage to the stability that the work piece was placed is fully ensured, the work piece shaping quality is ensured, satisfies production and processing user demand.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of an elastic jacket pressing device for producing an engine connecting rod;

FIG. 2 is a schematic view of an alternative view of an elastic press fit for producing an engine connecting rod;

FIG. 3 is a side view of the structure of an elastic press fit device for producing an engine connecting rod;

FIG. 4 is a cross-sectional elevation view of a portion of the internal structure of the mounting table and the carrier table;

FIG. 5 is an enlarged schematic view of a portion of the structure shown at A in FIG. 4;

in the above figures, 1, a workbench; 2. a mounting table; 3. a longitudinal movement mechanism; 31. a slide bar; 32. a slide block; 4. a support frame; 5. a transverse screw rod driving mechanism; 6. a vertical screw rod driving mechanism; 7. a sleeve pressing mechanism; 71. a connecting plate; 72. a punching cylinder; 73. a connecting rod; 74. a sleeve; 75. a mounting sleeve; 751. a spring plate; 8. a carrying platform; 81. a key-shaped hole; 9. a positioning seat; 10. a carrier plate; 101. a lifting disc; 1011. a limit rod; 102. a positioning rod; 103. a telescopic spring; 104. an adaptation block; 105. a limit groove; 11. a positioning plate; 111. and a connection hole.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

1-5, an elastic sleeve pressing device for producing engine connecting rods comprises a workbench 1, wherein the workbench 1 is used for guaranteeing placement stability of various device equipment, a mounting table 2 which is convenient for placing workpieces is arranged on the workbench 1 front and back, a longitudinal moving mechanism 3 is arranged on the workbench 1 positioned on the outer side of the mounting table 2, convenience is provided for driving the device equipment, particularly moving conversion of the sleeve pressing mechanism 7 among multiple stations, time gaps of the workpieces in the replacement process in the prior art are made up, meanwhile, the utilization rate of equipment parts is improved, the working process is effectively improved, and the use requirements are met; further, a supporting frame 4 is arranged above the longitudinal moving mechanism 3, a transverse screw rod driving mechanism 5 is arranged on the supporting frame 4, a vertical screw rod driving mechanism 6 is arranged on the transverse screw rod driving mechanism 5, and the adjusting of the position of the sleeve pressing mechanism 7 in the horizontal transverse direction and the vertical direction is driven by the cooperation between the transverse screw rod driving mechanism 5 and the vertical screw rod driving mechanism 6, so that the use requirements in different sleeve pressing processing working processes are met, and the working progress is improved; in order to effectively improve the good shock attenuation buffer performance of work piece in developing the cover process of pressing, be provided with on the vertical lead screw actuating mechanism 6 and press cover mechanism 7, be provided with plummer 8 on the mount pad 2, be provided with about on plummer 8 and be the locating seat 9 of T shape design and be the support plate 10 of hollow cylindric design, wherein, locating seat 9 is T shape design, and with the big end looks joint adaptation of connecting rod work piece, ensure the stability that the work piece was placed, geometric center department in support plate 10 is provided with lifting disk 101, it is with the little looks joint adaptation of connecting rod work piece, in this way, utilize the cooperation between support plate 10 and the lifting disk 101, the accuracy of connecting rod work piece placement position has been ensured, for the development of follow-up cover work provides convenient conditions, it is to further explain: the setting heights of the positioning seat 9 and the carrying disc 10 are the same, so that the connecting rod workpieces are ensured to be positioned on the same horizontal plane, the workpieces are prevented from being offset, and convenience is provided for the subsequent sleeve pressing work of the workpieces; the lower end of the lifting disc 101 is provided with a positioning rod 102, the periphery of the positioning rod 102 is sleeved with a telescopic spring 103, that is, a through groove (not shown in the figure) which is convenient for lifting and moving of the lifting disc 101 is formed in the geometric center in the carrying disc 10, a hole groove (not shown in the figure) which is matched with the positioning rod 102 is formed in the carrying table 8 corresponding to the positioning rod 102, the telescopic spring 103 is positioned between the lifting disc 101 and the carrying table 8, a precondition is provided for exerting a good shock absorption and buffering effect, the use functionality is strong, the stability of workpiece placement is guaranteed, the possibility of damage to equipment is reduced, the service life of the equipment is relatively prolonged, and the production cost is saved; an adapting block 104 is also arranged in the carrying disc 10 positioned at the periphery of the lifting disc 101 and is matched with the carrying disc 10, so that on one hand, the stability of the placement of the connecting rod workpieces is improved, the buffer effect is assisted to be improved, on the other hand, the connecting rod workpieces with different specifications are adaptively carried, and the practicability of the device is improved;

in the above process: the vertical moving mechanism 3 can drive the sleeve pressing mechanism 7 to move freely in the horizontal direction, so that convenience is provided for the device to realize multi-station conversion, and the utilization rate of the device mechanism is effectively improved; through the arranged transverse screw rod driving mechanism 5 and the vertical screw rod driving mechanism 6, the pressing sleeve mechanism 7 can be driven to finish moving adjustment in multiple directions, different production, processing and use requirements are met, and the use functionality of device equipment is greatly improved; the carrier disc 10, the lifting disc 101, the positioning rod 102 and the telescopic spring 103 provide good damping and buffering effects for equipment parts of the device, reduce the possibility of damage to the equipment, further guarantee the forming quality of workpieces and meet the use requirements; this device reasonable in design, simple structure, processing convenience and on the one hand can realize a tractor serves several purposes, improve the utilization ratio of device equipment, and then promote working process, the production and processing progress in the guarantee factory building, on the other hand can reduce equipment and take place the possibility of damage to the stability that the work piece was placed is fully ensured, the work piece shaping quality is ensured, satisfies production and processing user demand.

In order to guarantee to press the effective of cover work, promote the work progress, press cover mechanism 7 to include being connected with vertical lead screw actuating mechanism 6 and being the connecting plate 71 of L shape design, the upper end of connecting plate 71 is provided with punching press cylinder 72, punching press cylinder 72's output runs through connecting plate 71 and is provided with connecting rod 73, connecting rod 73's periphery is provided with sleeve 74, connecting rod 73 then can freely go up and down relative sleeve 74, ensure to press the completion of cover work, simultaneously, when the equipment is in standby state, punching press cylinder 72 can drive installation cover 75 and shell fragment 751 subassembly and enter into sleeve 74, have good protective properties to a certain extent, relatively prolong the life of equipment, save costs, connecting rod 73's tip is provided with installation cover 75, be provided with the shell fragment in the installation cover 75, specifically described is: for the established elastic sheet 751, the elastic sheet 751 has certain elastic expansion performance, namely, the working mode of the elastic sheet 751 is the same as that of the V-shaped elastic sheet 751 in the prior art, when the elastic sheet 751 is used, a bushing to be pressed into a workpiece is sleeved on the mounting sleeve 75 by people, meanwhile, a process hole formed in the bushing is correspondingly clamped with the elastic sheet 751, stability of placement of the bushing is ensured, convenience is brought to follow-up sleeve pressing work, and safety is improved.

In order to improve the rationality of the design of the device, three adapting blocks 104 are uniformly distributed in the carrier disc 10, the end face of the outer side of the adapting block 104 close to the lifting disc 101 is in a cone shape design, so that the adaptation between a connecting rod and the carrier disc 10 is increased, the use functionality of the device equipment is improved, in addition, the adapting block 104 can also lift and move in the vertical direction relative to the carrier disc 10, so that the device equipment has a good buffering effect in the use process, the possibility of damage is reduced, the connection between the adapting block and the carrier disc 10 is the same as the connection mode between the lifting disc 101 and the carrier disc 10, and the use effect is ensured; further, the lower end periphery of the lifting disc 101 is provided with the limit rods 1011, and the limit rods 1011 are staggered with the adapting blocks 104, three limit grooves 105 are formed in the carrying disc 10 corresponding to the limit rods 1011, so that the usability of the workpiece is improved, the effect of the limit rods is to provide convenience for the moving direction of the lifting disc 101, that is, the use of the cooperation between the limit rods 1011 and the phase grooves provides convenience for the moving of the lifting disc 101 relative to the carrying disc 10, and the use requirement is met.

In order to ensure the convenience of moving and adjusting the sleeve mechanism 7 in the longitudinal direction, the longitudinal moving mechanism 3 comprises two sliding strips 31 which are arranged left and right, the sliding strips 31 are sleeved with sliding blocks 32 and are connected with the lower end of the supporting frame 4, so that the smoothness of the longitudinal moving mechanism 3 in the operation and use process is fully ensured by using the arrangement between the sliding blocks 32 and the sliding strips 31, and the use requirement is met.

In order to further improve the stability of placing equipment parts, key-shaped holes 81 are formed in the mounting tables 2 positioned at two sides of the bearing table 8, a positioning plate 11 in an L-shaped design is arranged at the outer side of the bearing table 8, a connecting hole 111 is formed in the positioning plate 11, a connecting screw (not shown in the figure) is arranged for connection between the positioning plate 11 and the mounting table 2, the connecting screw penetrates out of the key-shaped holes 81 through the lower end of the workbench 1 and is further connected with the connecting hole 111, and a locking nut is matched with the connecting screw to fasten the position of the positioning plate 11, so that the bearing table 8 is clamped to a certain extent, and the method is specifically described as follows: for the connecting rod to be processed with different specifications, the bearing tables 8 with different specifications are required to be placed, so that after the bearing tables 8 with different sizes are placed on the mounting table 2, the positions of the positioning plate 11 and the connecting screw rod can be adjusted, convenience is provided for fastening the bearing tables 8, and the use requirement is met.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides an engine connecting rod production is with elasticity cover device that presses, includes the workstation, be provided with the mount table of being convenient for the work piece to place around on the workstation, its characterized in that is located be provided with longitudinal movement mechanism on the workstation in the mount table outside, longitudinal movement mechanism's top is provided with the support frame, be provided with horizontal lead screw actuating mechanism on the support frame, be provided with vertical lead screw actuating mechanism on the horizontal lead screw actuating mechanism, be provided with on the vertical lead screw actuating mechanism and press the cover mechanism, be provided with the plummer on the mount table, be provided with the positioning seat that is T shape design and be the carrier disc of hollow cylindrical design about on the plummer, geometric center department in the carrier disc is provided with the lifter, the lower extreme of lifter is provided with the locating lever, the periphery cover of locating lever is equipped with the extension spring, is located still be provided with the adaptation piece in the carrier disc of lifter periphery.

2. The elastic sleeve pressing device for producing the engine connecting rod according to claim 1, wherein the sleeve pressing mechanism comprises a connecting plate which is connected with a vertical screw rod driving mechanism and is in an L-shaped design, a punching cylinder is arranged at the upper end of the connecting plate, the output end of the punching cylinder penetrates through the connecting plate and is provided with a connecting rod, a sleeve is arranged on the periphery of the connecting rod, an installation sleeve is arranged at the end part of the connecting rod, and a spring piece is arranged in the installation sleeve.

3. The elastic pressing sleeve device for producing the engine connecting rod according to claim 2, wherein three adapting blocks are uniformly distributed in the carrying disc, the outer end face of the adapting block close to the lifting disc is in a cone shape, a limiting rod is arranged on the periphery of the lower end of the lifting disc, the limiting rods are staggered with the adapting blocks, and limiting grooves are formed in the carrying disc corresponding to the limiting rods.

4. The elastic sleeve pressing device for producing engine connecting rods according to claim 3, wherein the longitudinal moving mechanism comprises two sliding strips which are arranged left and right, and the sliding strips are sleeved with sliding blocks and are connected with the lower end of the supporting frame.

5. The elastic sleeve pressing device for producing engine connecting rods according to claim 4, wherein key-shaped holes are formed in mounting tables located on two sides of the bearing table, positioning plates in L-shaped design are arranged on the outer sides of the bearing table, and connecting holes are formed in the positioning plates.