CN213532426U - Cylinder cover conduit press-fitting tool - Google Patents
Cylinder cover conduit press-fitting tool Download PDFInfo
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- CN213532426U CN213532426U CN202021678353.4U CN202021678353U CN213532426U CN 213532426 U CN213532426 U CN 213532426U CN 202021678353 U CN202021678353 U CN 202021678353U CN 213532426 U CN213532426 U CN 213532426U
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- rod
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- ejector rod
- cylinder
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Abstract
The utility model relates to the field of cylinder head assembling equipment, in particular to a cylinder cover conduit press-fitting tool, which comprises a workbench, a support frame, a pressure driving mechanism, a guide cylinder and a mandril; the supporting frame is arranged on the workbench, and the pressure driving mechanism is arranged at the top of the supporting frame; a guide channel is arranged in the guide cylinder, and a feed inlet communicated with the guide channel is formed in the side wall of the guide cylinder; the ejector rod is in sliding fit in the guide channel along the vertical direction, and the central axis of the ejector rod and the central axis of the guide channel are coaxially arranged; the top of the ejector rod is connected with a pressure driving mechanism, and the pressure driving mechanism is used for driving the ejector rod to do lifting action in the guide channel. Compared with automatic press fitting of machinery, the press fitting tool is more suitable for small-batch production or trial production, greatly reduces the investment of equipment cost, and can effectively prevent the cylinder cover from deforming while ensuring the press fitting precision and the press fitting efficiency of the guide pipe, thereby improving the production quality of the press fitting process.
Description
Technical Field
The utility model relates to a cylinder head rigging equipment field, concretely relates to cylinder cap pipe pressure equipment instrument.
Background
The valve guide pipe of the cylinder cover is a key part, the guide pipe is directly knocked into an intake valve and an exhaust valve by manpower in the traditional installation method, and because the intake valve and the exhaust valve of the cylinder cover are frequently used and have high precision requirement, if the guide pipe is directly knocked into, assembly deviation possibly exists, so that the assembly can not be accurately carried out, and the service life of the intake valve and the exhaust valve of the cylinder head is influenced.
At present, mechanical automatic press fitting is adopted on a mass production line, the mechanical automatic press fitting speed is high, the misloading rate is low, but the steps of starting and closing are complicated, the equipment cost is high, and the mechanical automatic press fitting is not suitable for small-batch production or trial production. Therefore, a manual press-fitting device which is simple in press-fitting operation and capable of guaranteeing press-fitting quality is needed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, provide a cylinder cap pipe pressure equipment instrument.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a cylinder cover guide pipe press-fitting tool comprises a workbench, a support frame, a pressure driving mechanism, a guide cylinder and a push rod; the support frame is arranged on the workbench, and the pressure driving mechanism is arranged at the top of the support frame; the guide cylinder is vertically matched on the support frame in a sliding manner, and is positioned between the pressure driving mechanism and the workbench; a guide channel is arranged in the guide cylinder, and a feed inlet communicated with the guide channel is formed in the side wall of the guide cylinder; the ejector rod is in vertical sliding fit in the guide channel, and the central axis of the ejector rod and the central axis of the guide channel are coaxially arranged; the top of the ejector rod is connected with a pressure driving mechanism, and the pressure driving mechanism is used for driving the ejector rod to do lifting action in the guide channel.
Further, the pressure driving mechanism comprises a sleeve and a screw rod, the sleeve is mounted at the top of the support frame, and the screw rod is in threaded fit in the sleeve; the top of the ejector rod is rotatably connected to the bottom of the screw rod, and the central axis of the screw rod and the central axis of the ejector rod are coaxially arranged; the anti-rotation device further comprises an anti-rotation assembly, and the anti-rotation assembly is used for preventing the ejector rod from rotating in the guide cylinder.
Furthermore, the bottom of the screw rod is provided with a containing hole, a bearing is embedded in the containing hole, and the ejector rod is sleeved and fixed in an inner ring of the bearing;
the rotation stopping assembly comprises a sliding chute arranged in the guide channel and a bulge arranged on the outer wall of the ejector rod; the sliding groove extends along the length direction of the guide channel, and the protrusion is in sliding fit in the sliding groove.
Furthermore, one side of the ejector rod, which is far away from the protrusion, is recessed to form a locking surface, and the locking surface extends along the length direction of the ejector rod; the guide cylinder is provided with a screw hole, and a locking bolt is matched with the inner thread of the screw hole.
The worktable is internally provided with an inner cavity, and the top end and the bottom end of the inner cavity are both provided with through holes with the same central axis;
the positioning mechanism comprises a positioning rod and an elastic piece, the positioning rod penetrates through the inner cavity from top to bottom, and the positioning rod is in sliding fit with the two through holes; the top end of the positioning rod extends out of the through hole on the corresponding side, and the central axis of the positioning rod and the central axis of the guide channel are coaxially arranged;
the elastic piece is sleeved on the positioning rod in a penetrating mode, an annular stop block is fixed on the positioning rod, the annular stop block and the elastic piece are located in the inner cavity, and the two ends of the elastic piece are connected with the bottom of the annular stop block and the cavity bottom of the inner cavity.
Furthermore, the support frame comprises a transverse plate and two slide bars, the two slide bars are arranged on the workbench in parallel, and the transverse plate is connected to the tops of the two slide bars respectively; each sliding rod is provided with a sliding block in sliding fit, and two sides of the guide cylinder are respectively connected with the sliding block on the corresponding side through supporting rods.
Furthermore, a plurality of rotating rods are fixed at the top of the screw rod.
The utility model has the advantages that:
the utility model discloses a cylinder cap pipe pressure equipment instrument, it is through with ejector pin sliding fit in the guide cylinder, when carrying out pipe pressure equipment course of working, aligns the inlet valve or the exhaust valve on guide cylinder and the cylinder cap, then puts into the direction passageway with the pipe from the feed inlet, under the restriction of direction passageway, the pipe can remain vertical state throughout. The push rod pushes the guide pipe downwards in the guide channel by operating the pressure driving mechanism until the guide pipe is pressed into the air inlet valve or the air exhaust valve. The guide pipe press fitting tool can complete press fitting processing of the guide pipe and the cylinder cover through matching of the guide cylinder, the ejector rod and the operating pressure driving mechanism, and greatly reduces cost investment of equipment. Compared with automatic mechanical press-fitting, the press-fitting tool is more suitable for small-batch production or trial production, the investment of equipment cost is greatly reduced, the press-fitting precision and the press-fitting efficiency of the guide pipe are guaranteed, meanwhile, the deformation of the cylinder cover can be effectively prevented, and therefore the production quality of the press-fitting process is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of a cylinder head conduit press-fitting tool of the present invention;
FIG. 2 is a schematic view of a conduit being placed into a guide channel from a feed port;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a schematic view of the conduit being pressed into the cylinder head valve.
Reference numerals:
1-workbench, 11-inner cavity, 12-through hole, 2-support frame, 21-transverse plate, 22-slide rod, 23-slide block, 3-pressure driving mechanism, 31-sleeve, 32-screw rod, 33-accommodating hole, 4-guide cylinder, 41-guide channel, 42-feed inlet, 43-slide groove, 44-support rod, 5-ejector rod, 51-bulge, 52-locking surface, 6-bearing, 7-locking bolt, 8-positioning mechanism, 81-positioning rod, 82-elastic piece, 83-annular stop block and 9-rotating rod.
Detailed Description
The present invention will be described in further detail with reference to examples.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the cylinder cover conduit press-fitting tool of the present invention specifically comprises a workbench 1, a support frame 2, a pressure driving mechanism 3, a guide cylinder 4 and a mandril 5; the support frame 2 is arranged on the workbench 1, and the pressure driving mechanism 3 is arranged at the top of the support frame 2; the guide cylinder 4 is vertically matched on the support frame 2 in a sliding manner, and the guide cylinder 4 is positioned between the pressure driving mechanism 3 and the workbench 1; a guide channel 41 is arranged in the guide cylinder 4, and a feed inlet 42 communicated with the guide channel 41 is formed in the side wall of the guide cylinder 4; the ejector rod 5 is in sliding fit in the guide channel 41 along the vertical direction, and the central axis of the ejector rod 5 is coaxially arranged with the central axis of the guide channel 41; the top of the push rod 5 is connected with a pressure driving mechanism 3, and the pressure driving mechanism 3 is used for driving the push rod 5 to do lifting motion in the guide channel 41.
The utility model discloses a cylinder cap pipe pressure equipment instrument, it is through with 5 sliding fit of ejector pin in guide cylinder 4, when carrying out pipe pressure equipment course of working, align guide cylinder 4 with (air) intake valve or exhaust valve on the cylinder cap, then put into guide way 41 with the pipe from feed inlet 42, under guide way 41's restriction, the pipe can remain vertical state throughout. The ram 5 is pushed down against the guide tube in the guide channel 41 by operating the pressure drive 3 until the guide tube is pressed into the inlet valve or the exhaust valve. The guide pipe press-fitting tool can complete press-fitting processing of the guide pipe and the cylinder cover through the matching of the guide cylinder 4, the ejector rod 5 and the operating pressure driving mechanism 3. Compared with automatic mechanical press-fitting, the press-fitting tool is more suitable for small-batch production or trial production, the investment of equipment cost is greatly reduced, the press-fitting precision and the press-fitting efficiency of the guide pipe are guaranteed, meanwhile, the deformation of the cylinder cover can be effectively prevented, and therefore the production quality of the press-fitting process is improved.
Further, the pressure driving mechanism 3 comprises a sleeve 31 and a screw 32, the sleeve 31 is installed on the top of the support frame 2, and the screw 32 is in threaded fit in the sleeve 31; the top of the ejector rod 5 is rotatably connected to the bottom of the screw rod 32, and the central axis of the screw rod 32 and the central axis of the ejector rod 5 are coaxially arranged; the anti-rotation device further comprises an anti-rotation assembly, and the anti-rotation assembly is used for preventing the mandril 5 from rotating in the guide cylinder 4.
Specifically, in the present embodiment, the jack 5 has a cylindrical shape, the diameter of the jack 5 is smaller than that of the screw 32, and the top of the jack 5 is connected to the bottom of the screw 32. Since the sleeve 31 is fixed on the top of the supporting frame 2, rotating the screw rod 32 causes the screw rod 32 to perform a lifting motion in the vertical direction. When press fitting is needed, the guide cylinder 4 is aligned with an intake valve or an exhaust valve on a cylinder cover, then the guide pipe is placed into the guide channel 41 from the feed port 42, and the guide pipe can be always kept in a vertical state under the limitation of the guide channel 41. By rotating the screw rod 32 to move downwards, the screw rod 32 drives the mandril 5 to push the guide pipe downwards in the guide channel 41 until the guide pipe is pressed into the air inlet valve or the air exhaust valve, so that the press mounting is completed.
Meanwhile, the ejector rod 5 and the screw rod 32 are designed to be in rotating connection, and the rotation stopping component is designed between the ejector rod 5 and the guide cylinder 4, when the ejector rod 5 is driven by the rotating screw rod 32 to ascend or descend, the rotating screw rod 32 only pushes/pulls the ejector rod 5 to drive the ejector rod 5 to move, the ejector rod 5 is prevented from rotating along with the screw rod 32 when the guide pipe is pressed, the guide pipe is prevented from being abraded due to rotating friction in the process of pressing the guide pipe into the intake valve or the exhaust valve, the assembly effect is prevented from being influenced, and the service life of the intake valve and the exhaust valve of the cylinder cover is further influenced.
Referring to fig. 3, in an embodiment, the bottom of the screw 32 is provided with a receiving hole 33, the bearing 6 is embedded in the receiving hole 33, and the top rod 5 is inserted and fixed in the inner ring of the bearing 6; the rotation stopping assembly comprises a sliding groove 43 arranged in the guide channel 41 and a protrusion 51 arranged on the outer wall of the mandril 5; the slide groove 43 extends along the length of the guide channel 41 and the projection 51 is a sliding fit in the slide groove 43.
Specifically, since the protrusion 51 of the ram 5 is restricted to the sliding groove 43 of the guide channel 41, and the top of the ram 5 is fixed in the bearing 6 at the bottom of the screw rod 32, when the screw rod 32 is rotated, the ram 5 does not rotate relative to the guide cylinder 4, and can only move up or down along the guide channel 41. When the guide pipe is pressed and installed, the ejector rod 5 only pushes the guide pipe downwards and cannot drive the guide pipe to rotate, so that the guide pipe is prevented from rotating and rubbing in the process of being pressed into the intake valve or the exhaust valve, and the outer wall of the guide pipe and the inner wall of the valve are prevented from being abraded.
Further, a locking surface 52 is concavely formed on one side of the push rod 5, which is far away from the protrusion 51, and the locking surface 52 extends along the length direction of the push rod 5; the guide cylinder 4 is provided with a screw hole, and a locking bolt 7 is matched with the inner thread of the screw hole. Through rotating locking bolt 7, make and locked the bolt top tightly on the locking surface 52 of ejector pin 5, when rotating screw rod 32 and drive ejector pin 5 and shift up, because guide cylinder 4 also can follow support frame 2 rebound under locking bolt 7's effect to increase the interval between guide cylinder 4 and the workstation 1, be convenient for place the cylinder cap of different models on workstation 1, satisfy different production demands.
Furthermore, referring to fig. 4, the press-fitting tool further comprises a positioning mechanism 8, an inner cavity 11 is arranged in the workbench 1, and through holes 12 with the same central axis are arranged at the top end and the bottom end of the inner cavity 11; the positioning mechanism 8 comprises a positioning rod 81 and an elastic piece 82, the positioning rod 81 penetrates through the inner cavity 11 from top to bottom, and the positioning rod 81 is in sliding fit with the two through holes 12; the top end of the positioning rod 81 extends out of the through hole 12 on the corresponding side, and the central axis of the positioning rod 81 is coaxially arranged with the central axis of the guide channel 41; the elastic piece 82 is sleeved on the positioning rod 81 in a penetrating mode, an annular stop block 83 is fixed on the positioning rod 81, the annular stop block 83 and the elastic piece 82 are located in the inner cavity 11, and two ends of the elastic piece 82 are connected with the bottom of the annular stop block 83 and the cavity bottom of the inner cavity 11.
Through design locating lever 81 on workstation 1, before the pressure equipment, place the valve of cylinder cap on locating lever 81 to be convenient for fix a position the pressure equipment position fast. During press fitting, the guide pipe is pressed into the intake valve or the exhaust valve, the guide pipe can also push the positioning rod 81 to move downwards, and the annular stop block 83 in the inner cavity 11 can compress the elastic piece 82. After the cylinder cover is taken away after the press mounting is finished, the elastic piece 82 can quickly support and push the annular stop block 83 to move upwards due to the fact that the locating rod 81 is out of limit, and therefore the locating rod 81 is reset.
Specifically, the support frame 2 comprises a transverse plate 21 and two slide bars 22, the two slide bars 22 are arranged on the workbench 1 in parallel, and the transverse plate 21 is respectively connected to the tops of the two slide bars 22; each slide bar 22 is slidably fitted with a slide block 23, and two sides of the guide cylinder 4 are respectively connected with the slide block 23 on the corresponding side through a support rod 44.
In addition, in order to facilitate the operator to rotate the screw rod 32, a plurality of rotating rods 9 are fixed on the top of the screw rod 32.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. The utility model provides a cylinder cap pipe pressure equipment instrument which characterized in that: comprises a workbench, a support frame, a pressure driving mechanism, a guide cylinder and a mandril;
the support frame is arranged on the workbench, and the pressure driving mechanism is arranged at the top of the support frame; the guide cylinder is vertically matched on the support frame in a sliding manner, and is positioned between the pressure driving mechanism and the workbench; a guide channel is arranged in the guide cylinder, and a feed inlet communicated with the guide channel is formed in the side wall of the guide cylinder; the ejector rod is in vertical sliding fit in the guide channel, and the central axis of the ejector rod and the central axis of the guide channel are coaxially arranged; the top of the ejector rod is connected with a pressure driving mechanism, and the pressure driving mechanism is used for driving the ejector rod to do lifting action in the guide channel.
2. The cylinder head conduit press-fitting tool according to claim 1, characterized in that: the pressure driving mechanism comprises a sleeve and a screw rod, the sleeve is arranged at the top of the supporting frame, and the screw rod is in threaded fit in the sleeve; the top of the ejector rod is rotatably connected to the bottom of the screw rod, and the central axis of the screw rod and the central axis of the ejector rod are coaxially arranged; the anti-rotation device further comprises an anti-rotation assembly, and the anti-rotation assembly is used for preventing the ejector rod from rotating in the guide cylinder.
3. The cylinder head conduit press-fitting tool according to claim 2, characterized in that: the bottom of the screw rod is provided with a containing hole, a bearing is embedded in the containing hole, and the ejector rod is sleeved and fixed in an inner ring of the bearing;
the rotation stopping assembly comprises a sliding chute arranged in the guide channel and a bulge arranged on the outer wall of the ejector rod; the sliding groove extends along the length direction of the guide channel, and the protrusion is in sliding fit in the sliding groove.
4. The cylinder head conduit press-fitting tool according to claim 3, wherein: one side of the ejector rod, which is far away from the protrusion, is sunken to form a locking surface, and the locking surface extends along the length direction of the ejector rod; the guide cylinder is provided with a screw hole, and a locking bolt is matched with the inner thread of the screw hole.
5. The cylinder head guide pipe press-fitting tool according to any one of claims 1 to 4, characterized in that: the positioning mechanism is also included, an inner cavity is arranged in the workbench, and through holes with the same central axis are arranged at the top end and the bottom end of the inner cavity;
the positioning mechanism comprises a positioning rod and an elastic piece, the positioning rod penetrates through the inner cavity from top to bottom, and the positioning rod is in sliding fit with the two through holes; the top end of the positioning rod extends out of the through hole on the corresponding side, and the central axis of the positioning rod and the central axis of the guide channel are coaxially arranged;
the elastic piece is sleeved on the positioning rod in a penetrating mode, an annular stop block is fixed on the positioning rod, the annular stop block and the elastic piece are located in the inner cavity, and the two ends of the elastic piece are connected with the bottom of the annular stop block and the cavity bottom of the inner cavity.
6. The cylinder head conduit press-fitting tool according to claim 1, characterized in that: the supporting frame comprises a transverse plate and two sliding rods, the two sliding rods are arranged on the workbench in parallel, and the transverse plate is connected to the tops of the two sliding rods respectively; each sliding rod is provided with a sliding block in sliding fit, and two sides of the guide cylinder are respectively connected with the sliding block on the corresponding side through supporting rods.
7. The cylinder head conduit press-fitting tool according to claim 2, characterized in that: and a plurality of rotating rods are fixed at the top of the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021678353.4U CN213532426U (en) | 2020-08-12 | 2020-08-12 | Cylinder cover conduit press-fitting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021678353.4U CN213532426U (en) | 2020-08-12 | 2020-08-12 | Cylinder cover conduit press-fitting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213532426U true CN213532426U (en) | 2021-06-25 |
Family
ID=76488605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021678353.4U Active CN213532426U (en) | 2020-08-12 | 2020-08-12 | Cylinder cover conduit press-fitting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213532426U (en) |
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2020
- 2020-08-12 CN CN202021678353.4U patent/CN213532426U/en active Active
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