CN211136845U - Self-adaptive internal support clamp - Google Patents
Self-adaptive internal support clamp Download PDFInfo
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- CN211136845U CN211136845U CN201921308792.3U CN201921308792U CN211136845U CN 211136845 U CN211136845 U CN 211136845U CN 201921308792 U CN201921308792 U CN 201921308792U CN 211136845 U CN211136845 U CN 211136845U
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- fixing
- diameter fixing
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Abstract
The utility model relates to an auxiliary assembly in the machining is the novel design of self-adaptation internal stay anchor clamps. The device comprises a fixed disc, a lower supporting mechanism, an outer diameter fixing mechanism and an inner diameter fixing mechanism, wherein the fixed disc is a hollow disc body; the lower supporting mechanism comprises a mandrel, a spring III is arranged on the periphery of the mandrel, a bearing sleeve is arranged at the upper end of the spring III, and an adjusting pad is arranged at the lower end of the spring III; a thrust ball bearing is arranged in the bearing sleeve, and the upper end of the bearing sleeve is connected with the fixed disc; the outer diameter fixing mechanism comprises an outer diameter fixing disc, and the outer side of the outer diameter fixing disc is connected with the fixing disc through a bearing; the outer diameter fixing disc is of a hollow structure and is used for fixing a workpiece to enter; the inner diameter fixing mechanism comprises a fixing seat which is of a hollow structure and is connected with the fixing disk; the inner diameter fixing mechanism further comprises an inner pressure head, and the inner pressure head can be in contact with the inner wall of the workpiece through the hollow structure of the fixing seat. The utility model has compact structure; the adaptability is strong, and the clamping device can be suitable for clamping workpieces with the same outer diameter and various different inner diameters.
Description
Technical Field
The utility model relates to an auxiliary assembly in the machining is the novel design of self-adaptation internal stay anchor clamps.
Background
In the machining and manufacturing process, devices for fixing a workpiece to occupy a correct position for receiving construction and inspection are collectively called "jigs". The clamps can be divided into various types such as manual clamps, pneumatic clamps, hydraulic clamps and the like.
Because of the diameter variation to bucket class part, required fixture is different, the utility model discloses a to the design of bucket class part, can adapt to the same external diameter in the certain limit, the bucket class part of different internal diameters presss from both sides tightly.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a self-adaptive inner supporting clamp.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an adaptive internal bracing fixture is characterized by comprising
A fixed disc, a lower supporting mechanism, an outer diameter fixing mechanism and an inner diameter fixing mechanism,
the fixed disc is a hollow disc body;
the lower supporting mechanism comprises a mandrel, a spring III is arranged on the periphery of the mandrel, a bearing sleeve is arranged at the upper end of the spring III, and an adjusting pad is arranged at the lower end of the spring III; a thrust ball bearing is arranged in the bearing sleeve, and the upper end of the bearing sleeve is connected with the fixed disc;
the outer diameter fixing mechanism comprises an outer diameter fixing disc, and the outer side of the outer diameter fixing disc is connected with the fixing disc through a bearing; the outer diameter fixing disc is of a hollow structure and is used for a fixing workpiece to enter;
the inner diameter fixing mechanism comprises a fixed seat which is of a hollow structure and is connected with the fixed disk; the inner diameter fixing mechanism further comprises an inner pressure head, and the inner pressure head can be in contact with the inner wall of the workpiece through the hollow structure of the fixing seat.
Furthermore, an accommodating space is formed between the fixed seat and the fixed disk, and a clamping head and a half-round head screw are arranged in the accommodating space; the head end of the half-round head screw can be propped against the side surface of the inner pressure head, and the tail end of the half-round head screw can be accommodated in one end of the clamping head; the side wall of the fixed seat of the accommodating space is provided with a through hole which can allow the other end part of the clamping head to pass through.
Further, the head end of the half-round head screw is of a half-round head structure, the tail end of the half-round head screw is of a cylindrical structure, the head end of the half-round head screw can be supported on the side face of the inner pressure head, and the tail end of the half-round head screw can be accommodated in a concave hole of the clamping head.
Furthermore, the clamping head is a cylindrical structure with one end sealed and the other end provided with a concave hole, and a protruding rib ring is arranged on the outer side of the cylindrical structure; spring I and spring II are installed respectively to rib ring both sides, and spring II all can not pass through the through-hole of fixing base lateral wall.
Furthermore, the upper end of the mandrel is provided with an outward protruding block structure, and the protruding block structure can extend into the workpiece to be processed.
Further, a concave pit structure is arranged in the middle of the convex block structure of the mandrel along the axial direction of the mandrel, and the concave pit structure can allow the lower end part of the inner pressure head to enter.
Further, the inner pressure head is a conical body with a large upper part and a small lower part.
Furthermore, an inner supporting sleeve is arranged in the outer diameter fixing disc.
Compared with the prior art, the beneficial effects of the utility model are that: the structure is compact; the adaptability is strong, and the clamp can be suitable for clamping workpieces with the same outer diameter and various inner diameters; the whole clamp does not need external power drive; the utility model discloses can be according to the parts machining needs, the internal stay that adapts to irregular internal diameter part presss from both sides tightly.
Drawings
Fig. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic sectional view A-A of FIG. 1;
fig. 3 is an enlarged schematic view of a portion of fig. 2.
In the figure: 1, an inner pressure head; 2, fixing a base; 3, inner supporting sleeves; 4, clamping the head; 5, a spring I; 6, a spring II; 7, a half-round head screw; 8, fixing the outer diameter of the disc; 9 bearing; 10, fixing the disc; 11 a thrust ball bearing; 12 bearing sleeves; 13, a spring III; 14 a conditioning pad; 15 mandrel; 16 rib rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to the attached drawings, a self-adaptive inner support clamp comprises a fixed disc, a lower supporting mechanism, an outer diameter fixing mechanism and an inner diameter fixing mechanism, and discloses a clamping tool capable of clamping barrel parts with the same outer diameter and different inner diameters within a certain range aiming at the characteristic that required clamps are different due to different diameters of the barrel parts.
The fixed tray 10 is a hollow tray body for a workpiece to pass through.
The lower supporting mechanism is arranged at the lower part of the fixed disc. The lower supporting mechanism can support the workpiece to be processed at the lower part, so that the workpiece to be processed is stably kept in the clamp. The lower supporting mechanism comprises a mandrel 15, a spring III 13 is arranged on the periphery of the mandrel 15, a bearing sleeve 12 is arranged at the upper end of the spring III 13, and an adjusting pad 14 is arranged at the lower end of the spring III 13; a thrust ball bearing 11 is arranged in the bearing sleeve 12, and the upper end of the bearing sleeve 12 is connected with the fixed disc 10.
The outer diameter fixing mechanism comprises an outer diameter fixing disc 8, and the outer side of the outer diameter fixing disc 8 is connected with a fixing disc 10 through a bearing 9; the outer diameter fixing disc 8 is of a hollow structure, and the hollow structure is used for allowing a fixing workpiece to enter. And an inner supporting sleeve 3 is arranged in the outer diameter fixing disc 8. The size and the style of the hollow structure of the outer diameter fixing disc 8 determine the outer diameter size and the outer wall shape of the workpiece which can be adapted by the design. The outer wall of the workpiece to be processed is clamped in the hollow structure of the outer diameter fixing disc 8, so that the workpiece to be processed is stably clamped.
The inner diameter fixing mechanism comprises a fixed seat 2, the fixed seat 2 is of a hollow structure, and the fixed seat 2 is connected with the fixed disk 10; the inner diameter fixing mechanism further comprises an inner pressure head 1, and the inner pressure head 1 can be in contact with the inner wall of the workpiece through the hollow structure of the fixing seat 2. The inner pressure head 1 extends into the inner wall of the workpiece to be processed from the upper end to form restraint on the inner wall of the workpiece to be processed.
An accommodating space is formed between the fixed seat 2 and the fixed disk 10, and a clamping head 4 and a half-round head screw 7 are arranged in the accommodating space; the head end of the semicircular head screw 7 can be propped against the side surface of the inner pressure head 1, and the tail end of the semicircular head screw can be accommodated in one end of the clamping head 4; the side wall of the fixed seat 2 of the containing space is provided with a through hole which can allow the other end part of the clamping head 4 to pass through. When the half-round head screws 7 are pressed against the side surfaces of the inner pressure head 1 at different positions, the distances between the opposite half-round head screws 7 are different.
As a further improvement, the head end of the half-round head screw 7 is of a half-round head structure, the tail end of the half-round head screw 7 is of a cylindrical structure, the head end of the half-round head screw 7 can be supported on the side face of the inner pressure head 1, and the tail end of the half-round head screw can be accommodated in a concave hole of the clamping head 4.
As a further improvement, the clamping head 4 is a cylindrical structure with one end sealed and the other end provided with a concave hole, and a protruding rib ring 16 is arranged outside the cylindrical structure; the spring I5 and the spring II 6 are respectively installed on the two sides of the rib ring 16, and the rib ring 16 and the spring II 6 cannot pass through the through hole in the side wall of the fixed seat 2. Through setting up spring I5 and spring II 6, when the head 1 different positions of pressure in along with semicircle head screw 7 top, the internal pressure of spring I5 and spring II 6 is different, and then the position of the tight head 4 of adjustment clamp that can be dynamic.
As a further improvement, the upper end of the mandrel 15 is provided with an outward protruding block structure, and the protruding block structure can extend into the interior of the workpiece to be processed. Therefore, the workpiece to be machined can be propped from the lower part, the workpiece can be restrained from the inner part of the lower end of the workpiece to be machined, and the position stability of the workpiece in the re-machining engineering is ensured.
As a further improvement, a concave pit structure is arranged in the middle of the convex block structure of the mandrel 15 along the axial direction of the mandrel 15, and the concave pit structure can allow the lower end part of the inner pressure head 1 to enter. The inner wall of the upper end of the workpiece to be processed is provided with the inner pressure head 1 for carrying out compression restraint on the workpiece, the inner wall of the lower end is provided with the convex block structure for carrying out restriction restraint on the inner wall, and the lower end part of the inner pressure head 1 extends into the concave pit structure of the convex block structure, so that the inside of the workpiece to be processed is stably limited, and the workpiece to be processed is stably clamped.
During the use, through adjusting pad 14 to adjusting spring 13 III's the degree that compresses tightly, thereby pressure head 1's position in the upper and lower regulation, the position change of the semicircle head screw 7 of top on pressure head 1 in can adjusting the position of pressing from both sides tight head 4, install spring I5 on pressing from both sides tight head 4 and can be according to self elasticity size, finely tune and press from both sides tight head 4, and then press from both sides tight work piece.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. An adaptive internal bracing fixture is characterized by comprising
A fixed disc, a lower supporting mechanism, an outer diameter fixing mechanism and an inner diameter fixing mechanism,
the fixed disc is a hollow disc body;
the lower supporting mechanism comprises a mandrel, a spring III is arranged on the periphery of the mandrel, a bearing sleeve is arranged at the upper end of the spring III, and an adjusting pad is arranged at the lower end of the spring III; a thrust ball bearing is arranged in the bearing sleeve, and the upper end of the bearing sleeve is connected with the fixed disc;
the outer diameter fixing mechanism comprises an outer diameter fixing disc, and the outer side of the outer diameter fixing disc is connected with the fixing disc through a bearing; the outer diameter fixing disc is of a hollow structure and is used for a fixing workpiece to enter;
the inner diameter fixing mechanism comprises a fixed seat which is of a hollow structure and is connected with the fixed disk; the inner diameter fixing mechanism further comprises an inner pressure head, and the inner pressure head can be in contact with the inner wall of the workpiece through the hollow structure of the fixing seat.
2. The self-adaptive inner supporting clamp according to claim 1, wherein an accommodating space is formed between the fixed seat and the fixed disk, and a clamping head and a half-round head screw are arranged in the accommodating space; the head end of the half-round head screw can be propped against the side surface of the inner pressure head, and the tail end of the half-round head screw can be accommodated in one end of the clamping head; the side wall of the fixed seat of the accommodating space is provided with a through hole which can allow the other end part of the clamping head to pass through.
3. The self-adaptive inner supporting clamp according to claim 2, wherein the head end of the half-round head screw is of a half-round head structure, the tail end of the half-round head screw is of a cylindrical structure, the head end of the half-round head screw can be supported against the side surface of the inner pressure head, and the tail end of the half-round head screw can be accommodated in the concave hole of the clamping head.
4. The adaptive inner bracing fixture according to claim 3, wherein the clamping head is a cylindrical structure with one end sealed and the other end provided with a concave hole, and a protruding rib ring is arranged outside the cylindrical structure; spring I and spring II are installed respectively to rib ring both sides, and spring II all can not pass through the through-hole of fixing base lateral wall.
5. The adaptive internal bracing fixture according to claim 1, wherein the upper end of the mandrel is provided with an outward protruding block structure which can extend into the interior of the workpiece to be machined.
6. The adaptive internal bracing fixture according to claim 5, wherein a concave pit structure is arranged in the middle of the convex block structure of the mandrel along the axial direction of the mandrel, and the concave pit structure can allow the lower end part of the internal pressure head to enter.
7. The adaptive internal bracing fixture according to claim 1, wherein the internal pressure head is a cone with a large top and a small bottom.
8. The adaptive inner bracing fixture according to claim 1, wherein an inner bracing sleeve is provided within the outer diameter fixed disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921308792.3U CN211136845U (en) | 2019-08-13 | 2019-08-13 | Self-adaptive internal support clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921308792.3U CN211136845U (en) | 2019-08-13 | 2019-08-13 | Self-adaptive internal support clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211136845U true CN211136845U (en) | 2020-07-31 |
Family
ID=71757743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921308792.3U Active CN211136845U (en) | 2019-08-13 | 2019-08-13 | Self-adaptive internal support clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211136845U (en) |
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2019
- 2019-08-13 CN CN201921308792.3U patent/CN211136845U/en active Active
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