CN220922254U - Press-fitting piston tool for improving explosion qualification rate of piston dust cover - Google Patents
Press-fitting piston tool for improving explosion qualification rate of piston dust cover Download PDFInfo
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- CN220922254U CN220922254U CN202322517837.0U CN202322517837U CN220922254U CN 220922254 U CN220922254 U CN 220922254U CN 202322517837 U CN202322517837 U CN 202322517837U CN 220922254 U CN220922254 U CN 220922254U
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- piston
- press
- dust cover
- tool
- qualification rate
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- 239000000428 dust Substances 0.000 title claims abstract description 38
- 238000004880 explosion Methods 0.000 title claims abstract description 20
- 238000012797 qualification Methods 0.000 title claims abstract description 19
- 230000006835 compression Effects 0.000 claims abstract description 15
- 238000007906 compression Methods 0.000 claims abstract description 15
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses a press-fitting piston tool for improving the explosion qualification rate of a piston dust cover. The tool comprises a piston ejector rod, a cylinder, a limiting block, a guide rod, a compression spring and a T-shaped positioning block; the lower end of the piston is connected with the upper end of the piston ejector rod in a propping way, the lower end of the piston ejector rod is fixedly provided with a cylinder push rod, the cylinder push rod is fixedly sleeved in a through groove of the T-shaped positioning block, the T-shaped positioning block is provided with a guide hole, a guide rod is inserted in the guide hole, the guide rod movably penetrates through a positioning hole formed in the limiting block, the limiting block supports the piston dust cover, and a compression spring is arranged between the limiting block and the T-shaped positioning block. The utility model effectively limits the outer edge of the piston dust cover, improves the explosion qualification rate of the existing 70% piston dust cover to 98%, improves the one-time assembly qualification rate and the production efficiency of products, and reduces the reworking cost and the production cost.
Description
Technical Field
The utility model relates to an assembly tool, in particular to a press-fitting piston tool for improving the blowing-explosion qualification rate of a piston dust cover.
Background
The existing press-fitting piston tool is of a structure that a cylinder push rod is connected with a piston push rod, the outer edge of a piston dust cover cannot be limited, when a piston is press-fitted, the outer edge of the piston dust cover is easy to blow off, the blowing explosion qualification rate is low, the reworking rate is high, the production efficiency is low, and the cost is high.
Disclosure of utility model
In order to solve the problems in the background art, the utility model provides a press-fitting piston tool for improving the explosion qualification rate of a piston dust cover, which can effectively limit the outer edge of the piston dust cover, prevent the outer edge of the piston dust cover from being blown away from a clamp body in the explosion process, improve the explosion qualification rate and improve the production efficiency.
The technical scheme of the utility model is as follows:
the press-fitting piston tool comprises a piston ejector rod, a cylinder, a limiting block, a guide rod, a compression spring and a T-shaped positioning block;
The press-mounting piston tool is used for press-mounting a piston and a piston dust cover in a cylinder hole of a clamp body, the upper end of the piston is mounted in the cylinder hole through the piston dust cover, the lower end of the piston is in propping connection with the upper end of a piston ejector rod, the lower end of the piston ejector rod is coaxially and fixedly provided with a cylinder push rod of a cylinder through a first hexagonal bolt, the cylinder push rod is fixedly sleeved in a through groove at one end of a T-shaped positioning block, the other end of the T-shaped positioning block is provided with two guide holes, a guide rod is movably inserted in each guide hole through a sleeve bearing, a positioning nut is sleeved outside the guide rod at the lower end of the sleeve bearing through threads, and the positioning nut is used for fixing the sleeve bearing in the guide holes;
The locating hole of seting up of stopper one end is worn to locate in the activity of guide arm upper end to threaded hole has been seted up at the guide arm up end, and third hexagon socket head cap screw threaded connection is in the threaded hole of guide arm up end, and the other end of stopper is equipped with the semicircle groove, and the groove diameter is less than piston dust cover external diameter, and the semicircle groove of stopper supports piston dust cover outer fringe, and the one end support of stopper is connected in piston dust cover one side bottom surface, and the guide arm overcoat between stopper and the T type locating piece is equipped with a compression spring, and compression spring can restrict stopper downwardly moving under the free state.
The side surface of the positioning nut is in threaded insertion connection with a fastening bolt, and the fastening bolt is used for fixing the guide rod and the T-shaped positioning block.
The upper end face of the guide rod is provided with a threaded hole, and the third inner hexagon bolt is in threaded connection with the threaded hole of the upper end face of the guide rod. The third inner hexagon bolt is used for limiting the lower limiting position of the upper end of the guide rod relative to the limiting block and preventing the guide rod from falling out of the positioning hole of the limiting block.
The upper end of the piston ejector rod is provided with a circular tray, and the circular tray surrounds the bottom of the supporting piston.
The side threads at one end of the T-shaped positioning block are provided with second inner hexagon bolts, the second inner hexagon bolts penetrate through the T-shaped positioning block and penetrate into the through grooves of the T-shaped positioning block to be in compression connection with the outer peripheral surface of the air cylinder push rod, and the T-shaped positioning block is fastened on the air cylinder push rod through the second inner hexagon bolts.
The piston is arranged in the clamp body, and the upper end of the clamp body is provided with a clamp body oil inlet hole.
The beneficial effects of the utility model are as follows:
1. The tool disclosed by the utility model can effectively limit the outer edge of the piston dust cover, prevents the outer edge of the piston dust cover from being blown away from the clamp body in the blowing and blasting process, improves the blowing and blasting qualification rate of the existing 70% piston dust cover to 98%, improves the one-time assembly qualification rate of products, avoids the phenomenon that the outer wall of the piston is worn due to the entering of impurities when the piston moves back and forth, and prolongs the service life of the piston.
2. The utility model reduces the unqualified rate of product assembly, improves the assembly efficiency, improves the blowing-explosion qualification rate, improves the production efficiency, reduces the reworking cost and reduces the production cost.
Drawings
Fig. 1 is an isometric view of the assembly process of the structure of the present utility model.
Fig. 2 is an isometric view and an exploded view of an existing tooling structure, (a) is an isometric view of an existing tooling structure, and (b) is an exploded view of an existing tooling structure.
FIG. 3 is an isometric view and an exploded view of the structure of the present utility model; (c) An axial side view of the utility model structure, and (d) an explosion diagram of the utility model structure.
Fig. 4 is an axial side view and an explosion view of a product before the piston is pressed, (e) is an axial side view of the product before the piston is pressed, and (f) and (g) are explosion views of the product before the piston is pressed under different visual angles.
In the figure: 1. the piston ejector rod, 2, the cylinder push rod, 3, the stopper, 4, the guide arm, 5, compression spring, 6, T type locating piece, 7, sleeve bearing, 8, set nut, 9, the holding bolt, 10, first hexagon socket head cap screw, 11, second hexagon socket head cap screw, 12, third hexagon socket head cap screw, 13, circular tray, 14, piston, 15, link up the groove, 16, the guiding hole, 17, the semicircle groove, 18, the piston dust cover, 19, the pincers body, 20, pincers body inlet port, 21, the piston dust cover internal orifice.
Detailed Description
In order to more clearly illustrate the technical scheme of the utility model, the utility model is further described in detail below with reference to the attached drawings and specific embodiments.
As shown in fig. 1, the utility model comprises a piston ejector rod 1, a cylinder, a limiting block 3, a guide rod 4, a compression spring 5 and a T-shaped positioning block 6.
The press-mounting piston tool is used for press-mounting a piston 14 and a piston dust cover 18 in a cylinder hole of a clamp body 19, the upper end of the piston 14 is mounted in the cylinder hole through the piston dust cover 18, the lower end of the piston 14 is propped against the upper end of a piston ejector rod 1, the lower end of the piston ejector rod 1 is coaxially and fixedly provided with a cylinder push rod 2 of a cylinder, the cylinder push rod 2 is fixedly sleeved in a through groove 15 at one end of a T-shaped positioning block 6, the other end of the T-shaped positioning block 6 is provided with two guide holes 16, a guide rod 4 is movably inserted in each guide hole 16 through a sleeve bearing 7, a positioning nut 8 is sleeved outside the guide rod 4 at the lower end of the sleeve bearing 7 through threads, and the positioning nut 8 is used for fixing the sleeve bearing 7 in the guide holes;
The guide rod 4 upper end activity wears to locate the locating hole that stopper 3 one end was offered, and the other end of stopper 3 is equipped with semicircle groove 17, and the one end support of stopper 3 is connected in piston dust cover 18 one side bottom surface, and guide rod 4 overcoat between stopper 3 and the T type locating piece 6 is equipped with a compression spring 5, and compression spring 5 can restrict the stopper and move downwards under the free state.
The side surface of the positioning nut 8 is in threaded connection with a fastening bolt 9, and the fastening bolt 9 is used for fixing the guide rod 4 and the T-shaped positioning block 6.
The screw hole has been seted up to guide arm 4 up end, and third hexagon socket head cap screw 12 threaded connection is in the screw hole of guide arm 4 up end, and third hexagon socket head cap screw 12 is used for spacing the lower extreme position of guide arm 4 upper end relative stopper 3, prevents that guide arm 4 from deviating from the locating hole of stopper 3.
The upper end of the piston ejector rod 1 is provided with a circular tray 13, and the circular tray 13 surrounds the bottom of the supporting piston 14.
The second inner hexagon bolt 11 is installed to the side screw thread of T type locating piece 6 one end, and second inner hexagon bolt 11 passes T type locating piece 6 and penetrates in the through groove 15 of T type locating piece 6 and cylinder push rod 2's outer peripheral face compresses tightly the connection for T type locating piece 6 is screwed up fixedly on cylinder push rod 2 through second inner hexagon bolt 11.
The lower end of the piston ejector rod 1 is coaxially and fixedly provided with a cylinder push rod 2 of a cylinder through a first inner hexagon bolt 10. The piston 14 is arranged in the clamp body 19, and the upper end of the clamp body 19 is provided with a clamp body oil inlet hole 20.
The prior press-fitting piston tool structure is shown in fig. 2, and comprises a piston ejector rod 1, a cylinder push rod 2, a first inner hexagon bolt 10 and a circular tray 13. The utility model adds a limit structure to the outer edge of the piston dust cover 18 on the basis of the prior art, and the limit structure comprises a limit block 3, a guide rod 4, a compression spring 5, a T-shaped positioning block 6 and other parts.
The specific implementation process of the utility model is shown in fig. 3, before the implementation, the position relationship between the cylinder push rod 2 and the T-shaped positioning block 6 is regulated, the second inner hexagon bolt 11 is screwed, and the second inner hexagon bolt and the T-shaped positioning block are connected and fixed; and (3) adjusting the position relation between the T-shaped positioning block 6 and the piston 14, screwing the fastening bolt 9, and connecting and fixing the T-shaped positioning block and the piston 14.
In the assembly process, the clamp body 19 is fixed, air is blown into the oil inlet hole 20 of the clamp body, the inner opening 21 of the piston dust cover is opened to surround and sleeve the upper end of the piston 14, compressed air enters the cylinder from the air inlet, the cylinder push rod 2 pushes the piston 14 upwards, the piston 14 is pressed into the cylinder hole of the clamp body 19 under the pushing of the cylinder push rod 2, the cylinder push rod 2 drives the piston push rod 1 to move upwards, the T-shaped positioning block 6 also moves upwards, and the compression spring 5 generates spring compression force to act on the limiting block 3 to limit the outer edge 18 of the piston dust cover; as shown in fig. 4, the press-fitting piston tool is used for press-fitting the piston 14 and the piston dust cover 18 in the cylinder hole of the clamp body 19, and the upper end of the piston 14 is arranged in the cylinder hole through the piston dust cover 18 to play a role in synchronous dynamic limiting.
Claims (7)
1. The utility model provides a promote pressure equipment piston frock of explosion qualification rate of piston dust cover blow, pressure equipment piston frock is arranged in piston (14) and piston dust cover (18) pressure equipment in the jar hole of the pincers body (19), its characterized in that:
The press-fitting piston tool comprises a piston ejector rod (1), a cylinder, a limiting block (3), a guide rod (4), a compression spring (5) and a T-shaped positioning block (6); the lower extreme of piston (14) and piston ejector pin (1) upper end top connect, the coaxial fixed mounting of lower extreme of piston ejector pin (1) has cylinder push rod (2) of cylinder, cylinder push rod (2) fixed cover is established in link trough (15) of T type locating piece (6) one end, the other end of T type locating piece (6) is equipped with two guiding holes (16), all be equipped with a guide arm (4) through sleeve bearing (7) fixed the inserting in every guiding hole (16), guide arm (4) external screw thread cover of sleeve bearing (7) lower extreme is equipped with positioning nut (8), the fixed locating hole of seting up in stopper (3) one end of guide arm (4) upper end, the other end of stopper (3) is equipped with semicircle groove (17), the one end supporting connection of stopper (3) is in piston cover (18) one side bottom surface, guide arm (4) overcoat between stopper (3) and the T type locating piece (6) is equipped with a compression spring (5).
2. The press-fit piston tool for improving the explosion qualification rate of the piston dust cover according to claim 1, wherein the press-fit piston tool is characterized in that: the side surface of the positioning nut (8) is in threaded connection with a fastening bolt (9).
3. The press-fit piston tool for improving the explosion qualification rate of the piston dust cover according to claim 1, wherein the press-fit piston tool is characterized in that: the upper end face of the guide rod (4) is provided with a threaded hole, and a third inner hexagon bolt (12) is in threaded connection with the threaded hole of the upper end face of the guide rod (4).
4. The press-fit piston tool for improving the explosion qualification rate of the piston dust cover according to claim 1, wherein the press-fit piston tool is characterized in that: the upper end of the piston ejector rod (1) is provided with a circular tray (13), and the circular tray (13) surrounds the bottom of the supporting piston (14).
5. The press-fit piston tool for improving the explosion qualification rate of the piston dust cover according to claim 1, wherein the press-fit piston tool is characterized in that: the side threads at one end of the T-shaped positioning block (6) are provided with second inner hexagon bolts (11), and the second inner hexagon bolts (11) penetrate through the T-shaped positioning block (6) and are connected with the outer peripheral surface of the cylinder push rod (2) in a pressing mode in a through groove (15) of the T-shaped positioning block (6).
6. The press-fit piston tool for improving the explosion qualification rate of the piston dust cover according to claim 1, wherein the press-fit piston tool is characterized in that: the lower end of the piston ejector rod (1) is coaxially and fixedly provided with a cylinder push rod (2) of a cylinder through a first inner hexagon bolt (10).
7. The press-fit piston tool for improving the explosion qualification rate of the piston dust cover according to claim 1, wherein the press-fit piston tool is characterized in that: the piston (14) is arranged in the clamp body (19), and a clamp body oil inlet hole (20) is arranged at the upper end of the clamp body (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322517837.0U CN220922254U (en) | 2023-09-17 | 2023-09-17 | Press-fitting piston tool for improving explosion qualification rate of piston dust cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322517837.0U CN220922254U (en) | 2023-09-17 | 2023-09-17 | Press-fitting piston tool for improving explosion qualification rate of piston dust cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220922254U true CN220922254U (en) | 2024-05-10 |
Family
ID=90969985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322517837.0U Active CN220922254U (en) | 2023-09-17 | 2023-09-17 | Press-fitting piston tool for improving explosion qualification rate of piston dust cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220922254U (en) |
-
2023
- 2023-09-17 CN CN202322517837.0U patent/CN220922254U/en active Active
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