Cylinder clamping tool
Technical Field
The utility model belongs to the technical field of clamping tools, and particularly relates to a cylindrical part clamping tool.
Background
The clamping tool is a tool and equipment specially designed for clamping objects. The tool is generally composed of a clamp, a chuck, an operating device and other parts and is used for clamping objects with various shapes and sizes in industrial production, manufacturing and assembly processes so as to carry out machining, assembling or moving operation, the prior art discloses an arc-shaped cylindrical workpiece clamping tool, the application number of which is CN202223022391.6, in order to meet the size and shape and position precision of ultra-precise machining, a device for machining and clamping arc-shaped cylindrical workpieces is needed, the arc-shaped cylindrical workpiece clamping tool is provided by the inventor, the arc-shaped cylindrical workpiece clamping tool is more troublesome in operation process because the arc-shaped cylindrical workpiece clamping tool is placed between an arc-shaped clamping plate and an arc-shaped limiting plate, the top of the arc-shaped clamping plate can rotate, and the arc-shaped clamping plate can clamp arc-shaped cylindrical workpieces with different sizes more tightly.
Disclosure of utility model
(1) Technical problem to be solved
Aiming at the defects of the prior art, the utility model aims to provide a cylindrical part clamping tool, which aims to solve the problems that in the prior art, when an arc-shaped cylindrical workpiece is clamped, the cylindrical workpiece can only be kept in a fixed state, when the cylindrical workpiece is required to be rotationally processed, the workpiece is required to be dismantled, the workpiece is clamped for processing after the processing surface is adjusted, and the operation process is relatively troublesome.
(2) Technical proposal
In order to solve the technical problems, the utility model provides the cylindrical part clamping tool which comprises a base table, a lifting table, a sleeve and a fixed ring, wherein the lifting table is movably arranged above the base table, the sleeve is arranged above the lifting table, two groups of sleeves are symmetrically arranged and move relative to each other in concentric center distribution, the fixed ring and the sleeve are respectively and rotatably arranged on opposite surfaces of the two groups of sleeves, the fixed ring and the sleeve are concentric in center distribution, the upper surface of the fixed ring is fixedly connected with a fixing frame, the fixing frame is of an L-shaped structure, one end far from the fixed ring is connected with a telescopic cylinder, the telescopic cylinder is vertically arranged, one end far from the fixing frame is connected with a driving toothed plate, the fixed ring corresponds to the driving toothed plate, a through hole is formed in the outer wall of the fixed ring in a penetrating manner, and the driving toothed plate penetrates into the through hole. Thanks to the arrangement of the fixing ring and the sleeve, the clamped cylindrical piece has a rotatable function after being fixed, and the workpiece is not required to be disassembled and assembled.
Preferably, a connecting ring is fixedly sleeved on the outer wall of one end, connected with the fixing ring, of the sleeve, and a tooth slot is formed in the outer circular surface of the connecting ring.
Preferably, the driving toothed plate passes through the perforation and is attached to the connecting ring, and the face of the driving toothed plate facing the connecting ring is provided with a toothed block, and the toothed block is matched with the tooth slot.
Preferably, two groups of inner clamping blocks are symmetrically arranged in the sleeve, and the inner clamping blocks are of arc structures.
Preferably, a screw is arranged on the outer wall of the sleeve in a threaded manner, and the screw horizontally penetrates into the sleeve to be in rotary connection with the outer wall of the inner clamping block.
Preferably, a lifting cylinder is vertically arranged in the bottom table, and the lifting cylinder is fixedly connected with the bottom end surface of the lifting table.
Preferably, the upper surface level of elevating platform has seted up the removal groove, the inside of removal groove is embedded to have accommodate the lead screw, it has two sets of movable blocks to embed in the removal groove, movable block and accommodate the lead screw threaded connection, the upper surface of movable block is vertical to be provided with the support column, the bottom surface fixed connection of support column and solid fixed ring.
(3) Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
the utility model benefits from the arrangement of the fixed ring and the sleeve, the clamped cylindrical part has a rotatable function after being fixed, in the processing process, the cylindrical part is required to be rotated, the telescopic cylinder stretches and contracts to drive the driving toothed plate to vertically lift along the perforation, the driving toothed plate is matched with the tooth slot on the outer wall of the connecting ring, the connecting ring is stressed to rotate in the fixed ring, the sleeve is stressed to rotate to adjust the processing surface, the principle is simple and easy to realize, the lifting table is movably connected with the base table, the height of the lifting table can be adjusted according to the height of processing equipment, so that the height of a drill bit and a cutter on the processing equipment can be adapted, and the utility model can be widely popularized.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view showing a structure of a sleeve and a fixed ring in a separated state;
FIG. 3 is a schematic view of the lift and base table structure;
fig. 4 is an enlarged schematic view of the structure at a in fig. 1.
The drawing comprises a base table 1, a lifting table 2, a driving toothed plate 3, a telescopic cylinder 4, a fixed frame 5, a fixed ring 6, a fixed ring 7, a screw rod 8, an inner clamping block 9, a sleeve pipe 10, a perforation 11, a connecting ring 12, a moving groove 13, an adjusting screw rod 14, a supporting column 15, a moving block 16 and a lifting cylinder.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
This embodiment is a cylinder centre gripping frock, and its structure schematic diagram is as shown in fig. 1, including base table 1, elevating platform 2, sleeve pipe 9 and solid fixed ring 6, elevating platform 2 activity sets up in the top of base table 1, and sleeve pipe 9 sets up in the top of elevating platform 2, and sleeve pipe 9 symmetry is equipped with two sets of, and concentric distribution is relative movement each other, rotates respectively on the face that two sets of sleeve pipes 9 are opposite and installs solid fixed ring 6, gu fixed ring 6 and sleeve pipe 9 concentric distribution. The upper surface of the fixed ring 6 is fixedly connected with a fixed frame 5, the fixed frame 5 is of an L-shaped structure, one end far away from the fixed ring 6 is connected with a telescopic cylinder 4, the telescopic cylinder 4 is vertically arranged, and one end far away from the fixed frame 5 is connected with a driving toothed plate 3;
referring to fig. 2, the fixing ring 6 corresponds to the driving toothed plate 3, and a through hole 10 is formed in the outer wall of the fixing ring 6, so that the driving toothed plate 3 penetrates into the through hole 10. The outer wall of one end of the sleeve 9 connected with the fixed ring 6 is fixedly sleeved with a connecting ring 11, and the outer circular surface of the connecting ring 11 is provided with a tooth slot. The driving toothed plate 3 passes through the perforation 10 to be attached to the connecting ring 11, and the surface of the driving toothed plate 3 facing the connecting ring 11 is provided with a tooth block which is matched with the tooth slot. Two groups of inner clamping blocks 8 are symmetrically arranged in the sleeve 9, and the inner clamping blocks 8 are of arc structures. The screw rod 7 is arranged on the outer wall of the sleeve 9 in a threaded manner, and the screw rod 7 horizontally penetrates into the sleeve 9 to be connected with the outer wall of the inner clamping block 8 in a rotating manner.
Referring to fig. 3, a lifting cylinder 16 is vertically installed inside the base table 1, and the lifting cylinder 16 is fixedly connected with the bottom end surface of the lifting table 2.
Referring to fig. 4, a moving groove 12 is horizontally formed in the upper surface of the lifting platform 2, an adjusting screw rod 13 is embedded in the moving groove 12, two groups of moving blocks 15 are embedded in the moving groove 12, the moving blocks 15 are in threaded connection with the adjusting screw rod 13, a supporting column 14 is vertically arranged on the upper surface of the moving blocks 15, and the supporting column 14 is fixedly connected with the bottom end surface of the fixed ring 6. When the cylindrical piece is clamped, the distance between the two groups of sleeves 9 can be adjusted, the adjusting screw rod 13 rotates, the adjusting screw rod 13 is driven by a motor, and threads on the outer wall of the adjusting screw rod 13 are oppositely arranged, so that the two groups of moving blocks 15 relatively move along the moving groove 12 after being stressed.
When the working principle is used, a cylindrical part is penetrated into a sleeve 9, then a screw rod 7 is rotated, the screw rod 7 penetrates along threads of the sleeve 9, an inner clamping block 8 is driven to approach the cylindrical part to clamp the cylindrical part, in the processing process, the cylindrical part is required to be rotated, a telescopic cylinder 4 stretches and contracts, a driving toothed plate 3 is driven to vertically lift along a perforation 10, the driving toothed plate 3 is matched with a tooth slot on the outer wall of a connecting ring 11, the connecting ring 11 is stressed to rotate in the fixed ring 6, the sleeve 9 is stressed to rotate, and the cylindrical part clamped in the sleeve 9 rotates along with the rotation, so that the processing surface is adjusted;
When the cylindrical piece is clamped, the distance between the two groups of sleeves 9 can be adjusted, the adjusting screw rod 13 rotates, the adjusting screw rod 13 is driven by a motor, and the threads on the outer wall of the adjusting screw rod 13 are oppositely arranged, so that the two groups of moving blocks 15 relatively move along the moving groove 12 after being stressed;
after the cylindrical part is clamped, the height of the lifting platform 2 can be adjusted according to the height of the processing equipment, and the lifting cylinder 16 is started to stretch and retract to drive the lifting platform 2 to adjust the height so as to adapt to the heights of a drill bit and a cutter on the processing equipment.
It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.