CN210703582U - Piston rod positioning fixture and boring and milling machine using same - Google Patents
Piston rod positioning fixture and boring and milling machine using same Download PDFInfo
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- CN210703582U CN210703582U CN201921639198.2U CN201921639198U CN210703582U CN 210703582 U CN210703582 U CN 210703582U CN 201921639198 U CN201921639198 U CN 201921639198U CN 210703582 U CN210703582 U CN 210703582U
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- piston rod
- clamping
- clamping plate
- rod positioning
- movable clamping
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Abstract
The utility model discloses a piston rod positioning fixture and boring and milling machine using the same, which relates to the technical field of fixtures and aims to solve the technical problems of complex structure and inconvenient disassembly and assembly of the existing piston rod clamping tool, and the key points of the technical scheme are that the piston rod positioning fixture comprises a support plate and two groups of clamping parts welded on the upper surface of the support plate and used for clamping a piston rod, the side wall and the lower end of each group of clamping parts are respectively connected with a movable clamping plate through pin shaft rotation, the upper end surface of each clamping part is respectively provided with an embedding groove, the inside of the embedding groove is provided with a fixed bolt through pin shaft rotation, one end of the fixed bolt close to the movable clamping plate is in threaded connection with a threaded cap and a gasket, and the upper end surface of the movable clamping plate is provided with a groove for embedding; the piston rod is fixedly clamped on the clamping component through the clamping power of the thread pair, so that the effect of stably clamping the piston rod is achieved.
Description
Technical Field
The utility model relates to an anchor clamps design field, more specifically say, it relates to a piston rod positioning fixture and applied this anchor clamps's boring and milling machine.
Background
The piston rod positioning clamp is mainly a tool for clamping and fixing the piston rod to assist the piston rod to stably process.
The current chinese patent that the publication number is CN206632893U of granting discloses a piston rod anchor clamps, including the base, the base up end undercut is provided with the anchor clamps mouth, is equipped with four through-holes on the inside both ends face of anchor clamps mouth relatively, all leads to in the through-hole have the screw rod, and the screw rod carries out the butt along the leading-in anchor clamps mouth of through-hole and fixed to the machined part.
However, when the piston rod is fixed by the piston rod clamp in the prior art in a manner of abutting the screw rod, the outer surface of the piston rod is arc-shaped, so that the contact area between the screw rod and the outer surface of the piston rod is small, and the stability of fixing the piston rod is not high, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a piston rod positioning fixture and use boring and milling machine of this anchor clamps, its advantage that has firm centre gripping piston rod.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a piston rod positioning fixture, includes the backup pad and is located the backup pad upper surface, and is used for two sets of hold assembly of centre gripping piston rod, every group hold assembly's lateral wall and be located its lower extreme and rotate respectively through the round pin axle and be connected with movable splint, every the hold assembly up end is provided with the embedding groove respectively, the embedding inslot portion is rotated through the round pin axle and is provided with the gim peg, the one end threaded connection that the gim peg is close to movable splint has screw cap and gasket, the up end of movable splint is provided with the recess that supplies the gim peg to inlay to put.
By adopting the technical scheme, the piston rod is arranged between the clamping part and the movable clamping plate, and the movable clamping plate is abutted against the side wall of the piston rod by screwing the threaded cap so as to fix the piston rod.
Furthermore, a V-shaped groove is formed in the side wall, facing the movable clamping plate, of the clamping component.
Through adopting above-mentioned technical scheme, the butt area of centre gripping part lateral wall and piston rod has been increaseed to V type groove to improve centre gripping stability.
Further, the V-shaped groove is provided with a V-shaped cushion block towards the side wall of the piston rod.
Through adopting above-mentioned technical scheme, on the basis of guaranteeing the butt area between V type cushion and the piston rod, when the piston rod diameter of processing is less, because the clamping part is located the one end rigidity in V type groove, accessible V type cushion butt piston rod this moment to the realization is to the fixed centre gripping of the less piston rod of diameter.
Furthermore, a yielding notch is formed in the side wall, close to the joint of the clamping component and the movable clamping plate, of the clamping component, and the inner side wall of the yielding notch is rotatably connected with the movable clamping plate through a pin shaft.
Through adopting above-mentioned technical scheme, rotate the activity splint according to the diameter size of bracing piece to the fixed piston rod of centre gripping better.
Furthermore, the end face, facing the piston rod, of the movable clamping plate is welded with a butt joint block.
Through adopting above-mentioned technical scheme, when the diameter of piston rod is less, the screw thread length that sets up on the gim peg is limited, consequently can't come the fixed movable splint of butt through screw cap and gasket, and through establishing the butt piece additional this moment, make its and piston rod lateral wall butt in order to realize fixing.
Furthermore, the outer side wall of one end, far away from the movable clamping plate, of the abutting block is fixedly sleeved with a rectangular sleeve pipe through a screw.
Through adopting above-mentioned technical scheme, add through the outside detachably at the butt piece and establish the rectangle bell and spigot pipe to distance between nimble control butt piece and the V type cushion, so that the diameter size of nimble adaptation piston rod, the centre gripping that stabilizes the piston rod.
Furthermore, a grinding aid layer is arranged on the end face, facing the piston rod, of the rectangular sleeve pipe.
Through adopting above-mentioned technical scheme, increase the frictional force of rectangle bell and spigot pipe and piston rod contact surface, prevent that the piston rod from sliding to strengthen the fixed to the piston rod.
Further, the backup pad is provided with the track that slides along its length direction undercut towards the upper surface of clamping part, the terminal surface of clamping part orientation backup pad is run through along its thickness direction and is provided with the embedded piece of inserting and establishing in the track that slides, the nut screw thread is passed through at the up end of backup pad to the one end that the embedded piece kept away from the track that slides.
Through adopting above-mentioned technical scheme, make clamping part slide along the track that slides to distance between two sets of clamping part is adjusted to the length according to the piston rod, the nut is twisted soon to the rethread, makes clamping part's lower terminal surface and backup pad looks butt, thereby fixed clamping part's the position of sliding.
Another object of the utility model is to provide a boring and milling machine has the effect of carrying out abrasive machining to the one end of the piston rod after fixed centre gripping.
The above technical purpose of the present invention can be achieved by the following technical solutions: the boring and milling machine comprises a rack, wherein the upper surface of one end of the rack is fixedly connected with the piston rod positioning clamp through a screw; and a processing part is arranged on one end surface of the frame, which is far away from the piston rod positioning clamp, and the processing part comprises a milling cutter and a motor electrically connected with the milling cutter.
By adopting the technical scheme, after the piston rod is clamped and fixed between the movable clamping plate and the clamping component, the motor is started, and the motor drives the milling cutter to grind the end face of one end of the piston rod.
To sum up, the utility model discloses following beneficial effect has:
1. the V-shaped groove is adopted for positioning, the position relation between the axis of the piston rod and the shaft hole of the piston rod can be quickly determined under the action of clamping force, and meanwhile, the provided clamping force can completely meet the cutting circumferential moment during processing, and the clamping stability is high;
2. through additionally arranging the abutting blocks and the rectangular sleeve pipes on the inner side walls of the V-shaped grooves and the movable clamping plates, the clamp can adapt to clamping processing of piston rods with different diameters and different lengths.
Drawings
Fig. 1 is a schematic structural view of a piston rod positioning jig according to embodiment 1;
FIG. 2 is a schematic view of the mechanism of FIG. 1 for embodying section A;
FIG. 3 is a schematic diagram of the structure of part B of FIG. 1;
FIG. 4 is a schematic view for showing a positional relationship between a holding member and a support plate in embodiment 1;
fig. 5 is a schematic structural view of a boring and milling machine according to embodiment 2.
In the figure: 1. a clamping member; 2. a piston rod; 3. processing the component; 4. a abdication gap; 5. a movable splint; 6. an embedding groove; 7. a fixing bolt; 8. a threaded cap; 9. a gasket; 10. a V-shaped groove; 11. a butting block; 12. a rectangular socket pipe; 13. a support plate; 14. a sliding track; 15. embedding blocks; 16. a grinding aid layer; 17. a groove; 18. a frame; 19. a V-shaped cushion block; 20. a motor; 21. provided is a milling cutter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
a piston rod positioning clamp, referring to fig. 1 and 2, comprises a frame 18, a support plate 13 fixedly connected with the upper surface of the frame 8 through screws, and two clamping components 1 positioned on the upper surface of the support plate 13, wherein the side wall of each clamping component 1 and the lower end of each clamping component are respectively provided with an abdicating notch 4, and the abdicating notches 4 are opposite to the clamping components 1; the inner wall of the abdicating notch 4 is provided with a movable clamping plate 5 through pin rotation; the piston rod 2 is located between the clamping member 1 and the movable clamp plate 5.
Referring to fig. 1 and 3, an embedding groove 6 is formed in the upper end face of a clamping part 1, a fixing bolt 7 is rotatably arranged on the bottom wall of the embedding groove 6 through a pin shaft, a groove 17 is formed in the upper end face of a movable clamping plate 5, one end, far away from the embedding groove 6, of the fixing bolt 7 is embedded in the groove 17, and a gasket 9 and a threaded cap 8 are in threaded connection with one end, located on the movable clamping plate 5, of the fixing bolt 7; screwing the threaded cap 8 to enable the gasket 9 and the threaded cap 8 to be abutted against the side wall of the movable clamping plate 5, enabling the movable clamping plate 5 to be fixedly abutted against the piston rod 2, and fixedly clamping the piston rod 2 between the clamping component 1 and the movable clamping plate 5; when the piston rod 2 needs to be processed and produced in a large scale, the clamping power used by matching the fixing bolt 7 and the threaded cap 3 can be transformed into a one-way hydraulic oil cylinder clamp so as to adapt to production of products in a larger scale, further improve the work efficiency and reduce the labor intensity.
Referring to fig. 1 and 4, a V-shaped groove 10 is formed in a side wall of the clamping member 1 facing the movable clamping plate 5 to increase an abutting area of the piston rod 2 and the clamping member 1, and improve stability of clamping the piston rod 2; a V-shaped cushion block 19 is adhered to the side wall of the V-shaped groove 10 facing the movable clamping plate 5, a butting block 11 is welded on the side wall of the movable clamping plate 5 facing the clamping part 1, and a rectangular sleeve pipe 12 is fixedly sleeved on the outer side wall of one end, away from the movable clamping plate 5, of the butting block 11 through a screw; when the diameter of the piston rod 2 is small, the length of the thread on the surface of the fixing bolt 7 is limited, the movable clamping plate 5 is abutted by the thread cap 8 and the gasket 9, and still part of the piston rod 2 with the small diameter cannot be fixed, at the moment, the rectangular sleeve 12 is fixedly sleeved on the outer side wall of the abutting block 11 through the screw, so that the piston rod 2 with the small diameter is fixedly abutted between the V-shaped cushion block 19 and the rectangular sleeve 12, then the fixing bolt 7 and the thread cap 8 are used in a matched manner to flexibly control the distance between the V-shaped cushion block 19 and the rectangular sleeve 12, and the piston rod 2 with different diameters is stably clamped; the grinding aid layer 16 made of rubber is adhered to the end face of the rectangular sleeve 12, so that the friction force of the contact face of the rectangular sleeve 12 and the piston rod 2 is increased, the piston rod 2 is prevented from moving relative to the rectangular sleeve 12, the clamping stability is improved, the outer side wall of the piston rod 2 is protected, and the piston rod 2 is prevented from being abraded due to abutting pressure.
Referring to fig. 1 and 4, a sliding rail 14 is recessed downwards along the length direction of the supporting plate 13 on the end surface facing the clamping component 1, an embedding block 15 embedded in the sliding rail 14 is arranged on the lower end surface of each group of clamping components 1 in a penetrating manner along the thickness direction of the lower end surface, and one end of the embedding block 15 far away from the sliding rail 14 is fixed on the upper surface of the clamping component 1 through a nut thread; according to the length of the piston rod 2, the clamping members 1 slide along the sliding track 14, so that the distance between the two clamping members 1 is adjusted, and then the clamping members 1 are fixedly abutted against the upper surface of the supporting plate 13 by screwing nuts, so that the distance between the two groups of clamping members 1 is fixed.
The working principle is as follows:
when the piston rod 2 needs to be fixedly clamped, firstly, the clamping components 1 are slid according to the length of the piston rod 2 to adjust the position distance between the two clamping components 1, then the piston rod 2 is placed between the clamping components 1 and the movable clamping plate 5 through the crane frame, the piston rod 2 is attached to the V-shaped groove 10, the movable clamping plate 5 is rotated simultaneously, the movable clamping plate 5 is abutted against the side wall of the piston rod 2, the fixing bolt 7 is embedded into the groove 17, the threaded cap 8 is screwed, the gasket 9 is abutted against the outer side wall of the movable clamping plate 5, and therefore the piston rod 2 is stably clamped between the movable clamping plate 5 and the clamping components 1; to achieve a fixed clamping of the piston rod 2.
Example 2:
referring to fig. 5, the upper surface of the frame 18 at the end far from the piston rod positioning jig in embodiment 1 is fixedly connected with a machining part 3 through a screw, the machining part 3 comprises a motor 20 and a milling cutter 21 electrically connected with the motor 20, and the milling cutter 21 faces the end to be machined of the piston rod 2 in embodiment 1.
The working principle is as follows:
after the piston rod 2 is fixedly clamped by the two groups of clamping components 1 and the movable clamping plate 5 in embodiment 1, the motor 20 is started, and the motor 20 drives the milling cutter 21 to grind one end of the piston rod 2, so as to realize processing of the piston rod 2.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a piston rod positioning fixture, includes backup pad (13) and is located backup pad (13) upper surface, and is used for two sets of clamping component (1) of centre gripping piston rod (2), its characterized in that: the side wall of each group of the clamping parts (1) and the lower ends of the side walls are respectively and rotatably connected with a movable clamping plate (5) through a pin shaft, the upper end face of each clamping part (1) is provided with an embedding groove (6), a fixed bolt (7) is rotatably arranged in each embedding groove (6) through a pin shaft, and one end of each fixed bolt (7) close to the corresponding movable clamping plate (5) is in threaded connection with a threaded cap (8) and a gasket (9); the upper end surface of the movable clamping plate (5) is provided with a groove (17) for embedding the fixing bolt (7).
2. The piston rod positioning jig of claim 1, wherein: the side wall of the clamping part (1) facing the movable clamping plate (5) is provided with a V-shaped groove (10).
3. The piston rod positioning jig of claim 2, wherein: and a V-shaped cushion block (19) is arranged on the side wall of the V-shaped groove (10) facing the piston rod (2).
4. The piston rod positioning jig of claim 1, wherein: the clamping part (1) is provided with a yielding notch (4) on the side wall close to the joint of the clamping part and the movable clamping plate (5), and the yielding notch (4) is rotatably connected with the movable clamping plate (5) through a pin shaft.
5. The piston rod positioning jig of claim 1, wherein: the end face, facing the piston rod (2), of the movable clamping plate (5) is welded with a butt joint block (11).
6. The piston rod positioning jig of claim 5, wherein: the outer side wall of one end, far away from the movable clamping plate (5), of the abutting block (11) is fixedly sleeved with a rectangular sleeve pipe (12) through a screw.
7. The piston rod positioning jig of claim 6, wherein: and a grinding aid layer (16) is arranged on the end face, facing the piston rod (2), of the rectangular sleeve pipe (12).
8. The piston rod positioning jig of claim 1, wherein: backup pad (13) are provided with track (14) that slide along its length direction undercut towards the upper surface of clamping part (1), clamping part (1) runs through along its thickness direction towards the terminal surface of backup pad (13) and is provided with and inserts and establish and slide embedded block (15) in track (14), the upper end at backup pad (13) is passed through the nut screw thread to the one end of keeping away from track (14) that slides embedded block (15).
9. A boring and milling machine comprising a frame (18), wherein a piston rod positioning clamp according to any one of claims 1 to 8 is fixedly connected to the upper surface of one end of the frame (18) through a screw; and a machining part (3) is arranged on one end face, far away from the piston rod positioning clamp, of the rack (18), and the machining part (3) comprises a milling cutter (21) and a motor (20) electrically connected with the milling cutter (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921639198.2U CN210703582U (en) | 2019-09-28 | 2019-09-28 | Piston rod positioning fixture and boring and milling machine using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921639198.2U CN210703582U (en) | 2019-09-28 | 2019-09-28 | Piston rod positioning fixture and boring and milling machine using same |
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| Publication Number | Publication Date |
|---|---|
| CN210703582U true CN210703582U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921639198.2U Active CN210703582U (en) | 2019-09-28 | 2019-09-28 | Piston rod positioning fixture and boring and milling machine using same |
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| CN (1) | CN210703582U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192466A (en) * | 2020-09-25 | 2021-01-08 | 嘉兴晋发金属材料有限公司 | Clamp for screw machining |
| CN116638154A (en) * | 2023-07-21 | 2023-08-25 | 四川省第一建筑工程有限公司 | Grooving device for building construction pipeline |
-
2019
- 2019-09-28 CN CN201921639198.2U patent/CN210703582U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192466A (en) * | 2020-09-25 | 2021-01-08 | 嘉兴晋发金属材料有限公司 | Clamp for screw machining |
| CN116638154A (en) * | 2023-07-21 | 2023-08-25 | 四川省第一建筑工程有限公司 | Grooving device for building construction pipeline |
| CN116638154B (en) * | 2023-07-21 | 2023-09-26 | 四川省第一建筑工程有限公司 | Grooving device for building construction pipeline |
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