CN220128224U - Pneumatic clamp for machining center - Google Patents
Pneumatic clamp for machining center Download PDFInfo
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- CN220128224U CN220128224U CN202320844792.5U CN202320844792U CN220128224U CN 220128224 U CN220128224 U CN 220128224U CN 202320844792 U CN202320844792 U CN 202320844792U CN 220128224 U CN220128224 U CN 220128224U
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- machining center
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- 230000007246 mechanism Effects 0.000 claims description 27
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000005056 compaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model provides a pneumatic clamp for a machining center, which solves the problems of difficult clamping control of a large number of workpieces and the like. The utility model has the advantages of simple structure, good stability and the like.
Description
Technical Field
The utility model belongs to the technical field of pneumatic clamps, and particularly relates to a pneumatic clamp for a machining center.
Background
The pneumatic clamp is a special clamp which takes air pressure as a power source and realizes the positioning, supporting and compacting of the workpiece through a pneumatic element. The method is widely applied to industrial automation, lathes and assembly operations. Most pneumatic clamps are reformed by butt clamp clamps, the screw thread propping structure is changed into a cylinder propping structure, and the pneumatic clamp has the advantages of constant clamping force and convenience in use, solves the slipping phenomenon of part caused by the clamping problem, and reduces human errors. However, the pneumatic clamp has a complex structure, and lever mechanisms are arranged in some clamps to increase clamping force, so that the problems of blocking of the lever, movable jam and the like are possibly caused if the pneumatic clamp is unqualified in processing. The existing pneumatic clamp for the machining center lacks flexible clamping means for large-batch small-sized block-shaped workpieces, and the required control mode is complex.
In order to solve the defects existing in the prior art, long-term exploration is performed, and various solutions are proposed. For example, chinese patent literature discloses a support hydraulic four-axis clamp [201610548755.4], it includes the diaphragm, the tailstock connecting plate is connected to diaphragm one side, the four-axis connection dish is connected to the opposite side, install positioning mechanism on the diaphragm, positioning mechanism is including installing in the locating piece of up end, first, second and installing in the hydro-cylinder of lower terminal surface, the hydro-cylinder is fourth, open the location breach on the locating piece, first connection clamping piece of hydro-cylinder, clamping piece one slides and sets up in the guide block, clamping piece two are connected to the hydro-cylinder, the piston rod of hydro-cylinder three passes diaphragm articulated clamp plate one end, clamp plate one articulated mounting is in articulated seat one, clamp plate one other end fixed with the depression bar, the piston rod of hydro-cylinder fourth passes diaphragm articulated clamp plate two one end, clamp plate two articulated mounting in articulated seat two.
The problem of unstable clamping force is solved to a certain extent by the scheme, but the scheme still has a plurality of defects, such as complex structure for clamping and controlling a large number of workpieces.
Disclosure of Invention
The utility model aims to solve the problems and provides the pneumatic clamp of the machining center, which is reasonable in design and simple in structure for clamping and controlling a large number of workpieces.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a pneumatic clamp of machining center, includes the fixed bolster, and the connection pad is installed to fixed bolster one end, and a plurality of clamping pieces are installed to the fixed bolster upper end, and the clamping piece is provided with respectively for work piece male clamping station to the opposite one end, is provided with the compression assembly by hydro-cylinder driven between the clamping station of adjacent clamping piece. The clamping piece and the pressing component are provided with a plurality of groups of clamping stations, the oil cylinder uniformly provides clamping torque, the control mode for clamping massive workpieces in batches is simpler, and the clamping device has higher response sensitivity and clamping stability.
In the pneumatic clamp for the machining center, the fixing support and the clamping piece are fixedly connected through the clamping mechanism, and the positioning mechanism is arranged between the pressing assembly and the fixing support. The clamping mechanism is matched with the positioning mechanism to fix the positions of the clamping piece and the pressing component.
In the pneumatic clamp of the machining center, the clamping mechanism comprises clamping grooves which are axially and equidistantly arranged along the fixing support, and the clamping pieces are respectively inserted and fixed on the inner sides of the clamping grooves and are connected and fixed with the clamping grooves through the threaded pieces. The clamping grooves are in one-to-one correspondence with the clamping pieces, so that the axial stability of the clamping pieces is ensured.
In the pneumatic clamp of the machining center, the positioning mechanism comprises positioning bosses arranged between adjacent clamping grooves, the pressing assemblies are arranged on the positioning bosses, the oil cylinders are arranged at the back of the fixing support and correspond to the pressing assemblies one by one, the back of the fixing support is fixedly provided with guide blocks and guide strips attached to the connecting discs, and through holes for oil supply pipes to pass through are respectively formed in the guide blocks and the guide strips. The positioning mechanism ensures that the compression assembly is aligned with the clamping station and the clamping moment thereof is fully transmitted to the workpiece.
In the pneumatic clamp for the machining center, the clamping piece comprises a main clamping block and an auxiliary clamping block, the main clamping block is arranged between the auxiliary clamping blocks, and the clamping stations are respectively arranged at the main clamping block and the auxiliary clamping block and at one ends of the main clamping block opposite to the main clamping block. The clamping piece provides a clamping station, and can meet the clamping requirements of a plurality of workpieces.
In the pneumatic clamp of the machining center, the compressing assembly comprises a driving block connected with the telescopic end of the oil cylinder, and one side, opposite to the clamping station, of the driving block is movably connected with the compressing block through a sliding assembly. The compaction blocks in the compaction assembly are symmetrical relative to the driving blocks, and the consistency of the clamping moment is ensured.
In the pneumatic clamp of the machining center, the sliding assembly comprises sliding inclined planes which are arranged between the driving block and the compressing block and are mutually attached, a sliding groove and a sliding strip which are mutually inserted are arranged between the sliding inclined planes, the cross sections of the sliding groove and the sliding strip are dovetail-shaped, and an elastic resetting piece is connected between the compressing blocks. The sliding component converts the telescopic moment of the driving block into the jacking moment of the compressing block.
In the pneumatic clamp for the machining center, the connecting disc is provided with the mounting hole and the through hole for the oil supply pipe to pass through. The connecting disc is fixedly connected with the machining center and drives the fixing support to circumferentially rotate.
In the pneumatic clamp for the machining center, the fixing support is vertically arranged relative to the connecting disc, and the central axis of the fixing support is matched with the central axis of the connecting disc.
In the pneumatic clamp for the machining center, the fixing support and the connecting disc are made of stainless steel. Compared with other materials, the stainless steel fixing support guarantees the whole service life of the pneumatic clamp.
Compared with the prior art, the utility model has the advantages that: the compression assembly between the clamping pieces provides compression force for the clamping station, and the fixing support can meet the clamping control requirement of a large number of workpieces at one time; the compression assembly converts the telescopic moment of the oil cylinder into clamping force, so that the response sensitivity is high; the clamping mechanism and the positioning mechanism on the fixed support ensure the structural stability of the pressing assembly and ensure the consistency of the pressing moment born by each workpiece.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of another view of the present utility model;
FIG. 3 is a partial schematic view of the present utility model;
FIG. 4 is a partial schematic view of another view of the present utility model;
in the figure, a fixed bracket 1, a connecting disc 2, a clamping piece 3, a main clamping block 31, a secondary clamping block 32, a clamping station 4, a compression assembly 5, a driving block 51, a compression block 52, an oil cylinder 6, a clamping mechanism 7, a clamping groove 71, a positioning mechanism 8, a positioning boss 81, a guide block 82, a guide bar 83, a sliding assembly 9, a sliding inclined surface 91, a sliding groove 92 and a sliding bar 93.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1 to 4, a pneumatic clamp for a machining center comprises a fixed bracket 1 which is horizontally arranged and connected with the machining center, wherein a connecting disc 2 is arranged at one end of the fixed bracket 1, and the central axis of the fixed bracket 1 is kept to be matched with the central axis of a rotating shaft of the machining center through the connecting disc 2. The upper end of the fixed bracket 1 is provided with a plurality of clamping pieces 3, the opposite ends of the clamping pieces 3 are respectively provided with a clamping station 4 for inserting workpieces, each clamping station 4 corresponds to one workpiece, and at most two workpieces can be fixed by the same clamping piece 3. A compressing assembly 5 driven by an oil cylinder 6 is arranged between the clamping stations 4 of adjacent clamping pieces 3, the oil cylinder 6 independently provides driving moment for each compressing assembly 5, and clamping force is provided for the clamping station 4 at one end of the clamping piece 3.
Specifically, the fixing support 1 is fixedly connected with the clamping piece 3 through the clamping mechanisms 7, the clamping mechanisms 7 are arranged at equal intervals relative to the fixing support 1, and the interval between every two adjacent clamping mechanisms 7 is consistent with that of the clamping piece 3. A positioning mechanism 8 is arranged between the pressing component 5 and the fixed bracket 1, and the positioning mechanism 8 keeps the fixed bracket 1 fixed in the transverse and longitudinal positions.
In depth, the clamping mechanism 7 comprises clamping grooves 71 which are equidistantly arranged along the axial direction of the fixed bracket 1, and openings of the clamping grooves 71 extend to two sides of the fixed bracket 1. The whole fixed bracket 1 is in a strip plate shape, and the clamping pieces 3 are respectively inserted and fixed at the inner sides of the clamping grooves 71 and are connected and fixed with the clamping grooves 71 through screw pieces. The two sides and the upper end of the base of the clamping piece 3 are kept flush with the surface of the fixed bracket 1.
Further, unlike the conventional positioning structure, the positioning mechanism 8 in the present utility model includes positioning bosses 81 disposed between adjacent clamping grooves 71, the compression assemblies 5 are mounted on the positioning bosses 81, the cylinders 6 are mounted on the back of the fixing support 1 and correspond to the compression assemblies 5 one by one, the back of the fixing support 1 is fixed with guide blocks 82 and guide strips 83 attached to the connecting disc 2, and through holes for oil supply pipes to pass through are respectively formed in the guide blocks 82 and the guide strips 83. An oil cylinder 6 can control the opening and closing of the clamping stations 4 at the opposite ends of the clamping piece 3, and the guide blocks 82 and the guide strips 83 ensure that the oil pipe is accurately communicated with the oil cylinder 6.
Still further, the clamping member 3 includes a main clamping block 31 and a sub clamping block 32, the main clamping block 31 is larger in size than the sub clamping block 32 and is arranged between the sub clamping blocks 32, the clamping stations 4 are respectively arranged at the ends of the main clamping block 31 opposite to the sub clamping block 32 and the main clamping block 31 opposite to the main clamping block 31, and two main clamping blocks 31 are equidistantly arranged between the sub clamping blocks 32 at the two ends of the fixing bracket 1, so that the fixing bracket 1 is integrally provided with six clamping stations 4.
In addition, the compressing assembly 5 comprises a driving block 51 connected with the telescopic end of the oil cylinder 6, the driving block 51 moves along the radial direction relative to the fixed bracket 1, one side of the driving block 51 opposite to the clamping station 4 is movably connected with a compressing block 52 through the sliding assembly 9, and when the driving block 51 stretches, the compressing block 52 is applied with a compressing moment.
Meanwhile, the sliding assembly 9 comprises sliding inclined planes 91 which are arranged between the driving block 51 and the compression block 52 and are mutually attached, vertical moment is converted into horizontal pushing force by the sliding inclined planes 91, and sliding grooves 92 and sliding strips 93 which are mutually inserted are arranged between the sliding inclined planes 91 to prevent the driving block 51 from being separated from the compression block 52. The cross sections of the sliding groove 92 and the sliding strip 93 are dovetail-shaped, an elastic resetting piece is connected between the pressing blocks 52, and when the driving block 51 is far away from the fixed support 1, the pressing blocks 52 are mutually reset and close, so that the workpiece in the clamping station 4 can be conveniently taken out.
The connecting disc 2 is provided with a mounting hole and a through hole for an oil supply pipe to pass through, the connecting disc 2 is fixedly connected with a machining center by using a threaded piece or other rod pieces, the central axis of the fixing support 1 is kept in a horizontal state, and a workpiece in the clamping station 4 can be quickly fallen after the connecting disc 2 is overturned.
It is obvious that the fixing bracket 1 is vertically arranged opposite to the connecting disc 2 and is fixed by threaded connection, and the central axis of the fixing bracket 1 is matched with the central axis of the connecting disc 2. The fixed bracket 1 also rotates relative to its central axis when the connection disc 2 rotates.
Preferably, the fixing bracket 1 and the connecting disc 2 are made of stainless steel materials, so that the service life of the whole structure is prolonged, the structure has high structural strength, and the suspension state is ensured not to be bent and deformed when being pressed by external pressing moment.
In summary, the principle of this embodiment is as follows: clamping stations 4 are reserved between clamping pieces 3 arranged on the fixing support 1, compression assemblies 5 between adjacent clamping stations 4 can fix two workpieces at one time, and the whole fixing support 1 can meet the clamping and fixing requirements of a large number of workpieces by adopting a small amount of oil cylinders 6.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although terms such as the fixing bracket 1, the connection disc 2, the clamping member 3, the main clamping block 31, the sub clamping block 32, the clamping station 4, the pressing assembly 5, the driving block 51, the pressing block 52, the cylinder 6, the clamping mechanism 7, the clamping groove 71, the positioning mechanism 8, the positioning boss 81, the guide block 82, the guide bar 83, the sliding assembly 9, the sliding inclined surface 91, the sliding groove 92, the sliding bar 93, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The utility model provides a pneumatic clamp of machining center, includes fixed bolster (1), fixed bolster (1) one end install connection pad (2), its characterized in that, fixed bolster (1) upper end install a plurality of clamping pieces (3), clamping pieces (3) relative one end be provided with respectively and supply work piece male clamping station (4), be provided with between clamping station (4) of adjacent clamping pieces (3) by hydro-cylinder (6) driven hold-down subassembly (5).
2. The pneumatic clamp for the machining center according to claim 1, wherein the fixing support (1) is fixedly connected with the clamping piece (3) through a clamping mechanism (7), and a positioning mechanism (8) is arranged between the pressing assembly (5) and the fixing support (1).
3. The pneumatic clamp for the machining center according to claim 2, wherein the clamping mechanism (7) comprises clamping grooves (71) which are axially and equidistantly arranged along the fixed support (1), and the clamping pieces (3) are respectively inserted and fixed inside the clamping grooves (71) and are connected and fixed with the clamping grooves (71) through threaded pieces.
4. A pneumatic clamp for a machining center according to claim 3, wherein the positioning mechanism (8) comprises positioning bosses (81) arranged between adjacent clamping grooves (71), the compression assemblies (5) are mounted on the positioning bosses (81), the oil cylinders (6) are mounted on the back of the fixing support (1) and correspond to the compression assemblies (5) one by one, guide blocks (82) and guide strips (83) attached to the connecting disc (2) are fixed on the back of the fixing support (1), and through holes for oil supply pipes to pass through are formed in the guide blocks (82) and the guide strips (83) respectively.
5. A machining center pneumatic clamp according to claim 1, wherein the clamping member (3) comprises a main clamping block (31) and a sub clamping block (32), the main clamping block (31) being arranged between the sub clamping blocks (32), the clamping stations (4) being arranged at the ends of the main clamping block (31) opposite to the sub clamping block (32) and the main clamping block (31) opposite to the main clamping block (31), respectively.
6. The pneumatic clamp of the machining center according to claim 1, wherein the compressing assembly (5) comprises a driving block (51) connected with the telescopic end of the oil cylinder (6), and one side, opposite to the clamping station (4), of the driving block (51) is movably connected with a compressing block (52) through a sliding assembly (9).
7. The pneumatic clamp of the machining center according to claim 6, wherein the sliding assembly (9) comprises sliding inclined planes (91) which are arranged between the driving block (51) and the compressing block (52) and are mutually attached, sliding grooves (92) and sliding strips (93) which are mutually inserted are arranged between the sliding inclined planes (91), the cross sections of the sliding grooves (92) and the sliding strips (93) are dovetail-shaped, and elastic resetting pieces are connected between the compressing blocks (52).
8. The pneumatic clamp for the machining center according to claim 1, wherein the connecting disc (2) is provided with a mounting hole and a through hole for an oil supply pipe to pass through.
9. A pneumatic clamp for a machining center according to claim 1, wherein the fixing bracket (1) is vertically arranged relative to the connecting disc (2), and the central axis of the fixing bracket (1) coincides with the central axis of the connecting disc (2).
10. The pneumatic clamp for the machining center according to claim 1, wherein the fixing support (1) and the connecting disc (2) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320844792.5U CN220128224U (en) | 2023-04-14 | 2023-04-14 | Pneumatic clamp for machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320844792.5U CN220128224U (en) | 2023-04-14 | 2023-04-14 | Pneumatic clamp for machining center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220128224U true CN220128224U (en) | 2023-12-05 |
Family
ID=88954394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320844792.5U Active CN220128224U (en) | 2023-04-14 | 2023-04-14 | Pneumatic clamp for machining center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220128224U (en) |
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2023
- 2023-04-14 CN CN202320844792.5U patent/CN220128224U/en active Active
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