CN219582107U - Connecting rod bush pressure equipment anchor clamps - Google Patents
Connecting rod bush pressure equipment anchor clamps Download PDFInfo
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- CN219582107U CN219582107U CN202320677048.0U CN202320677048U CN219582107U CN 219582107 U CN219582107 U CN 219582107U CN 202320677048 U CN202320677048 U CN 202320677048U CN 219582107 U CN219582107 U CN 219582107U
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- guide
- sleeve
- mandrel
- connecting rod
- bushing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model relates to a connecting rod bushing press-fitting clamp which comprises a clamp body, wherein the clamp body comprises a base, a first fixed cushion block and a second fixed cushion block are arranged at the top of the base, the top of the first fixed cushion block is flush with the top of the second fixed cushion block, a guide mandrel is sleeved on the first fixed cushion block in a sliding manner, the guide mandrel comprises a sliding rod, a round rod arranged at the top of the sliding rod and a guide rod arranged at the top of the round rod, and a bushing is placed at the round rod. The utility model relates to the technical field of connecting rod mounting bushings of internal combustion engines. The utility model has the effects of enhancing the fitting degree and the fixing effect of the connecting rod bushing, meeting the manufacturing precision requirement of the connecting rod and further improving the service life of the engine.
Description
Technical Field
The utility model relates to the technical field of connecting rod mounting bushings of internal combustion engines, in particular to a connecting rod bushing press-fitting clamp.
Background
The connecting rod is a transmission component and a moving part in the engine and mainly bears high-frequency alternating loads such as stretching, compression, bending and the like generated by combustion explosive force and reciprocating inertial force.
Connecting rod small end bushings are typically subjected to high temperatures, gao Maidong loads, oscillations, and insufficient lubrication. The bimetal rolled bushing is widely used, and can effectively improve the rigidity and the bearing capacity of the bushing, reduce the total thickness of the bushing and further improve the strength of the connecting rod body.
The wall thickness of the bimetal bushing is thinner, the two end faces are not perpendicular to the axis, the bushing is easy to skew, draw the edge, damage the bushing steel back and the like in the press mounting process, the matching precision of the bushing and the connecting rod is seriously influenced, and the service life of the engine is further reduced.
Disclosure of Invention
According to the defects existing in the prior art, the utility model aims to provide the connecting rod bushing press-fitting clamp which has the effects of enhancing the fitting degree and the fixing effect of the connecting rod bushing, meeting the manufacturing precision requirement of the connecting rod and further improving the service life effect of an engine.
The technical aim of the utility model is realized by the following technical scheme:
the connecting rod bushing press-fitting clamp comprises a clamp body, wherein the clamp body comprises a base, a first fixed cushion block and a second fixed cushion block are arranged at the top of the base, the top of the first fixed cushion block is level with the top of the second fixed cushion block, a guide mandrel is sleeved on the first fixed cushion block in a sliding manner, the guide mandrel comprises a sliding rod, a round rod arranged at the top of the sliding rod and a guide rod arranged at the top of the round rod, and a bushing is placed at the round rod;
a pressure head is arranged right above the guide mandrel and is fixed with a power end of the press fitting equipment, and the pressure head drives the guide mandrel to move downwards so that the bushing moves into the workpiece mounting hole;
and a reset component is arranged on the guide mandrel and the base together, and when the pressure head is out of contact with the guide mandrel, the reset component enables the guide mandrel to be in an initial position.
Through adopting above-mentioned technical scheme, through being provided with the direction dabber, the direction dabber includes slide bar, round bar and guide bar, and the bush is placed on the round bar, pushes down the bush through the pressure head, makes the bush get into in the connecting rod mounting hole, avoids producing crooked, the limit phenomenon of drawing at the in-process bush, alleviates simultaneously and leads to the bush steel backing to being drawn phenomenon emergence such as being injured because of great interference pressure equipment, has strengthened the laminating degree and the fixed effect of connecting rod bush, satisfies connecting rod manufacturing accuracy requirement, further improves engine life.
The present utility model may be further configured in a preferred example to: the resetting assembly comprises a first guide sleeve, the first guide sleeve is fixedly arranged on the base in a penetrating mode, the top of the first guide sleeve is attached to the bottom of the first fixed cushion block, the guide mandrel part is positioned in the first guide sleeve, and the guide mandrel is in sliding connection with the first guide sleeve;
the guide mandrel is characterized in that a first placing groove is formed in the bottom of the guide mandrel, a first compression spring is arranged between the guide mandrel and the bottom of the inner wall of the first guide sleeve, two ends of the first compression spring are respectively fixed with the top of the inner wall of the first placing groove and the bottom of the inner wall of the first guide sleeve, and when the first compression spring is in a natural state, the guide mandrel is in an initial position.
Through adopting above-mentioned technical scheme, through being provided with first uide bushing, first compression spring, the elastic restoring force of first compression spring self, after the guide dabber position changes, first compression spring drives the guide dabber and resumes current position.
The present utility model may be further configured in a preferred example to: the outer peripheral surface part of the guide mandrel is provided with a first guide key groove along the height direction, one side of the first guide sleeve is fixedly provided with a first guide screw in a penetrating mode, one end of the first guide screw extends to the inside of the first guide key groove, and the first guide screw is in sliding connection with the first guide key groove.
Through adopting above-mentioned technical scheme, through being provided with first direction keyway and first directional screw, make the direction dabber when the downward movement, unable rotation of self.
The present utility model may be further configured in a preferred example to: the round rod is provided with a bushing positioning assembly;
the bushing positioning assembly comprises a screw, a mounting hole is formed in the round rod, threads are formed in the inner peripheral wall of the mounting hole, the screw is located in the mounting hole and is in threaded connection with the mounting hole, a first spring is arranged on one side of the screw, a positioning steel ball is fixed to the other end of the first spring, and when the first spring is in a natural state, the positioning steel ball is located on the outer side of the round rod.
Through adopting above-mentioned technical scheme, through being provided with screw rod, first spring and location steel ball, the elasticity ability of first spring makes the location steel ball prepare to be located the U-shaped inslot of bush inner peripheral wall, determines the position that bush inner peripheral wall U type groove is located the connecting rod.
The present utility model may be further configured in a preferred example to: the pressing head comprises a second guide sleeve, two ends of the second guide sleeve are opened, a pressing sleeve is arranged in the second guide sleeve in a sliding mode, two ends of the pressing sleeve are opened and the inside of the pressing sleeve is hollow, a second compression spring is arranged between the second guide sleeve and the pressing sleeve, and two ends of the second compression spring are respectively fixed with the convex edge of the upper half part of the second guide sleeve and one side of the convex edge of the top of the pressing sleeve;
and the top of the pressing sleeve is fixedly connected with the power end of the press-fitting equipment.
Through adopting above-mentioned technical scheme, through being provided with second stand pipe, pressure cover and second compression spring, the guide bar cooperatees with the pressure cover, further confirms the direction of motion of pressure cover, presses the cover bottom to contact with the bush top, guarantees that the bush is pressed the in-process, and the bush does not take place to incline.
The present utility model may be further configured in a preferred example to: the second guide key groove is formed in the outer side of the pressing sleeve along the height direction of the pressing sleeve, the second guide sleeve is fixedly provided with a guide block in a penetrating mode, one end of the guide block extends to the inside of the second guide key groove, and the guide block is in sliding connection with the second guide key groove.
Through adopting above-mentioned technical scheme, through being provided with second direction keyway and guide block, make the cover that presses in the downward movement in-process, press the cover itself unable rotation.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. through being provided with the direction dabber, the direction dabber includes slide bar, round bar and guide bar, and the bush is placed on the round bar, pushes down the bush through the pressure head, makes the bush get into in the connecting rod mounting hole, avoids producing crooked, the limit phenomenon at the in-process bush of impressing, alleviates simultaneously and leads to the bush steel backing to being drawn phenomenon emergence such as being damaged because of great interference pressure equipment, has strengthened the laminating degree and the fixed effect of connecting rod bush, satisfies connecting rod manufacturing accuracy requirement, further improves engine life.
2. Through being provided with first uide bushing, first compression spring, the elastic restoring force of first compression spring self, after the guide dabber position changed, first compression spring drove the guide dabber and resumes current position.
3. The elastic capability of the first spring enables the positioning steel balls to be positioned in the U-shaped groove of the inner peripheral wall of the bushing, and the position of the U-shaped groove of the inner peripheral wall of the bushing on the connecting rod is determined.
Drawings
FIG. 1 is a schematic view of a semi-sectional structure of the present embodiment;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1 at A;
FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1;
fig. 4 is an enlarged schematic view of the structure at C in fig. 1.
In the figure, 1, a clamp body; 11. a base; 12. a first fixed cushion block; 13. the second fixed cushion block; 14. a guide mandrel; 141. a slide bar; 142. a round bar; 143. a guide rod; 2. a pressure head; 3. a reset assembly; 31. a first guide sleeve; 32. a first placement groove; 33. a first compression spring; 4. a first guide keyway; 41. a first orientation screw; 5. a positioning assembly; 51. a screw; 52. a mounting hole; 53. a first spring; 54. positioning steel balls; 21. a second guide sleeve; 22. pressing the sleeve; 23. a second compression spring; 6. a second guide key groove; 61. and a guide block.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Examples:
referring to fig. 1 to 4, the connecting rod bushing press-fitting jig disclosed by the utility model comprises a jig body 1, wherein the jig body 1 comprises a base 11. The boss is provided with to base 11 lower half both sides, makes things convenient for operating personnel to fix base 11 on press mounting equipment work platform.
The top of the base 11 is provided with a first fixed cushion block 12 and a second fixed cushion block 13. The top of the first fixed cushion block 12 is flush with the top of the second fixed cushion block 13.
The first fixed cushion block 12 is sleeved with a guide mandrel 14 in a sliding way. The guide core shaft 14 includes a slide rod 141, a round rod 142 provided at the top of the slide rod 141, and a guide rod 143 provided at the top of the round rod 142.
The guide mandrel 14 and the base 11 are provided with a reset assembly 3. The reset assembly 3 includes a first guide sleeve 31.
The first guide sleeve 31 is fixedly arranged on the base 11 in a penetrating manner, and the top of the first guide sleeve 31 is attached to the bottom of the first fixed cushion block 12. The slide rod 141 is partially located inside the first guide sleeve 31. The slide rod 141 is slidably coupled to the first guide bush 31.
The first placing groove 32 is opened at the bottom of the slide bar 141. A first compression spring 33 is arranged between the sliding rod 141 and the bottom of the inner wall of the first guide sleeve 31, and the first compression spring 33 is a hard spring. In the process of downward movement of the guide mandrel 14, the first compression spring 33 always elastically changes along the straight line direction of the guide mandrel 14, and the first compression spring 33 cannot bend or the like.
The two ends of the first compression spring 33 are respectively fixed with the top of the inner wall of the first placing groove 32 and the bottom of the inner wall of the first guide sleeve 31, and when the first compression spring 33 is in a natural state, the guide mandrel 14 is in an initial position.
The sliding rod 141 is provided with a first guide key groove 4 at its outer peripheral surface portion in the height direction. The first guide sleeve 31 is fixedly provided with a first guide screw 41 in a penetrating way, one end of the first guide screw 41 extends into the first guide key groove 4, and the first guide screw 41 is in sliding connection with the first guide key groove 4.
A bushing is placed at the round bar 142. The bushing is a clearance fit with the round bar 142.
The round bar 142 is provided with a bushing positioning assembly 5. The bushing positioning assembly 5 comprises a screw rod 51, a mounting hole 52 is formed in the round rod 142, threads are formed in the inner peripheral wall of the mounting hole 52, the screw rod 51 is located in the mounting hole 52, the screw rod 51 is in threaded connection with the mounting hole 52, a first spring 53 is arranged on one side of the screw rod 51, a positioning steel ball 54 is fixed to the other end of the first spring 53, and when the first spring 53 is in a natural state, the positioning steel ball 54 is located on the outer side of the round rod 142.
A pressing head 2 is arranged right above the guide mandrel 14, the pressing head 2 is fixed with the power end of the stamping equipment, and the pressing head 2 drives the guide mandrel 14 to move downwards so that the bushing moves into the workpiece mounting hole 52.
The pressure head 2 comprises a second guide sleeve 21, two ends of the second guide sleeve 21 are opened, a pressing sleeve 22 is arranged in the second guide sleeve 21 in a sliding manner, two ends of the pressing sleeve 22 are opened and hollow, a second compression spring 23 is arranged between the second guide sleeve 21 and the pressing sleeve 22, and two ends of the second compression spring 23 are respectively fixed with the upper half convex edge of the second guide sleeve 21 and one side of the convex edge at the top of the pressing sleeve 22.
The top of the pressing sleeve 22 is fixedly connected with the power end of the punching machine.
The second guide key groove 6 is formed in the outer side of the pressing sleeve 22 along the height direction, the second guide sleeve 21 is fixedly provided with a guide block 61 in a penetrating mode, one end of the guide block 61 extends to the inside of the second guide key groove 6, and the guide block 61 is in sliding connection with the second guide key groove 6.
The implementation principle of the embodiment is as follows:
the operator first secures the base 11 to the table of the stamping apparatus. At this time, the pressing head 2 is separated from the guide rod 143, and the position and shape of the guide rod 143 are matched with those of the inner hole of the pressing sleeve 22. At this time, a certain distance exists between the guide rod 143 and the ram 2.
Next, the operator places the work piece on the surfaces of the first and second fixed pads 12 and 13. Screw holes are formed in the tops of the second fixed cushion blocks 13, and the existing positions of the workpieces are fixed through the cooperation of bolts and the second fixed cushion blocks 13. And the workpiece middle bottom hole is sleeved on the outer peripheral surface of the sliding rod 141, and the sliding rod 141 is in clearance fit with the workpiece bottom hole. At this time, the position of the workpiece does not change in the horizontal direction.
The operator sets the bushing on the round bar 142, and the inner wall of the bushing is provided with a U-shaped groove. When the bush first touches the positioning steel ball 54, the positioning steel ball 54 is pressed into the mounting hole 52, and the first spring 53 is in a compressed state. The elastic force of the first spring 53 is small, so that when the positioning steel ball 54 receives a small external force, the position of the positioning steel ball 54 changes.
When the bottom of the bush is in contact with the top of the slide bar 141, the operator should rotate the bush horizontally, and when hearing a crisp sound, this means that the positioning steel ball 54 is located in the bush U-shaped groove at this time, and the first spring 53 is in a natural state at this time.
Next, an operator starts the press-fitting device, and a power end in the press-fitting device drives the pressure head 2 to move downwards.
First the second guide sleeve 21 is in contact with the surface of the workpiece. And at this time, the round rod 142 is positioned inside the second guide sleeve 21, and the guide rod 143 is positioned at the inner hole of the pressing sleeve 22.
As the power end in the ram head 2 continues to move downwardly. The position of the second guide sleeve 21 is not changed, and the pressing sleeve 22 moves downwards, so that the second compression spring 23 is compressed and deformed. When the pressing sleeve 22 touches the bushing, the pressing sleeve 22 drives the bushing and the guide mandrel 14 to move downwards.
During the downward movement of the guide mandrel 14, the guide mandrel 14 drives the first compression spring 33 to deform.
As the bushing fully enters the smaller hole in the workpiece, the bushing is an interference fit with the smaller hole in the workpiece. The bushing is fixed on the inner peripheral wall of the bottom hole of the workpiece.
The power end of the press equipment moves upwards in the lower half of one stroke.
The power end drives the pressure head 2 to move upwards. Until the ram 2 is separated from the guide bar 143.
The second guide bush 21 and the guide mandrel 14 are returned to the initial positions by the elastic restoring forces of the first compression spring 33 and the second compression spring 23.
The operator takes out the work piece with the bushing installed. During the pressing in of the bushing, the workpiece itself will not rotate.
The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (6)
1. The utility model provides a connecting rod bush pressure equipment anchor clamps, includes anchor clamps body (1), its characterized in that, anchor clamps body (1) include base (11), base (11) top is provided with first fixed cushion (12) and second fixed cushion (13), first fixed cushion (12) top with second fixed cushion (13) top looks parallel and level, the slip cap is equipped with guide core axle (14) on first fixed cushion (12), guide core axle (14) include slide bar (141), set up round bar (142) at slide bar (141) top and set up guide bar (143) at round bar (142) top, the bush has been placed to round bar (142) department;
a pressure head (2) is arranged right above the guide mandrel (14), the pressure head (2) is fixed with a power end of the press fitting equipment, and the pressure head (2) drives the guide mandrel (14) to move downwards so that the bushing moves into the workpiece mounting hole;
the guide mandrel (14) and the base (11) are provided with a reset assembly (3) together, and when the pressure head (2) is out of contact with the guide mandrel (14), the reset assembly (3) enables the guide mandrel (14) to be in an initial position.
2. The connecting rod bushing press-fitting jig according to claim 1, wherein: the resetting assembly (3) comprises a first guide sleeve (31), the first guide sleeve (31) is fixedly arranged on the base (11) in a penetrating mode, the top of the first guide sleeve (31) is attached to the bottom of the first fixed cushion block (12), the guide mandrel (14) is partially positioned in the first guide sleeve (31), and the guide mandrel (14) is in sliding connection with the first guide sleeve (31);
the guide mandrel (14) is characterized in that a first placing groove (32) is formed in the bottom of the guide mandrel (14), a first compression spring (33) is arranged between the guide mandrel (14) and the bottom of the inner wall of the first guide sleeve (31), two ends of the first compression spring (33) are respectively fixed with the top of the inner wall of the first placing groove (32) and the bottom of the inner wall of the first guide sleeve (31), and when the first compression spring (33) is in a natural state, the guide mandrel (14) is in an initial position.
3. The connecting rod bushing press-fitting jig according to claim 2, wherein: the utility model discloses a guide mandrel, including guide mandrel (14), first guide keyway (4) have been seted up along its direction of height to outer peripheral face part, first guide sleeve (31) one side is fixed wears to be equipped with first guide screw (41), the one end of first guide screw (41) extends to inside first guide keyway (4), just first guide screw (41) with first guide keyway (4) sliding connection.
4. The connecting rod bushing press-fitting jig according to claim 1, wherein: a bushing positioning assembly (5) is arranged on the round rod (142);
the bushing positioning assembly (5) comprises a screw rod (51), a mounting hole (52) is formed in the round rod (142), threads are formed in the inner peripheral wall of the mounting hole (52), the screw rod (51) is located in the mounting hole (52), the screw rod (51) is in threaded connection with the mounting hole (52), a first spring (53) is arranged on one side of the screw rod (51), a positioning steel ball (54) is fixed to the other end of the first spring (53), and when the first spring (53) is in a natural state, the positioning steel ball (54) is partially located on the outer side of the round rod (142).
5. The connecting rod bushing press-fitting jig according to claim 1, wherein: the pressing head (2) comprises a second guide sleeve (21), two ends of the second guide sleeve (21) are opened, a pressing sleeve (22) is arranged in the second guide sleeve (21) in a sliding mode, two ends of the pressing sleeve (22) are opened and the inside of the pressing sleeve is hollow, a second compression spring (23) is arranged between the second guide sleeve (21) and the pressing sleeve (22), and two ends of the second compression spring (23) are respectively fixed with the upper half convex edge of the second guide sleeve (21) and one side of the top convex edge of the pressing sleeve (22);
the top of the pressing sleeve (22) is fixedly connected with the power end of the press-fitting equipment.
6. The connecting rod bushing press-fitting jig according to claim 5, wherein: the second guide key groove (6) is formed in the outer side of the pressing sleeve (22) along the height direction of the pressing sleeve, the second guide sleeve (21) is fixedly provided with a guide block (61) in a penetrating mode, one end of the guide block (61) extends to the inside of the second guide key groove (6), and the guide block (61) is in sliding connection with the second guide key groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320677048.0U CN219582107U (en) | 2023-03-29 | 2023-03-29 | Connecting rod bush pressure equipment anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320677048.0U CN219582107U (en) | 2023-03-29 | 2023-03-29 | Connecting rod bush pressure equipment anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219582107U true CN219582107U (en) | 2023-08-25 |
Family
ID=87689571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320677048.0U Active CN219582107U (en) | 2023-03-29 | 2023-03-29 | Connecting rod bush pressure equipment anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219582107U (en) |
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2023
- 2023-03-29 CN CN202320677048.0U patent/CN219582107U/en active Active
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