CN119188374A - A clamping mechanism for a machine tool for processing special-shaped parts - Google Patents
A clamping mechanism for a machine tool for processing special-shaped parts Download PDFInfo
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- CN119188374A CN119188374A CN202411721030.1A CN202411721030A CN119188374A CN 119188374 A CN119188374 A CN 119188374A CN 202411721030 A CN202411721030 A CN 202411721030A CN 119188374 A CN119188374 A CN 119188374A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
一种异形件加工机床装夹机构，属于机床夹具技术领域，为了解决对表面有要求的异形件进行装夹时，通过刚性夹具易伤工件，装夹部分相对较为集中时易导致工件发生相对滑动以及通过手动操作阀门来保持压力，操作较为不便的问题，发明包括固定座，固定座的顶面上固定连接有两个竖板，两个竖板的顶面上共同固定连接有安装板，安装板的顶面一侧固定连接有第一装夹块，安装板的顶面上开设有滑槽，滑槽内滑动设置有第二装夹块。本发明通过设置驱动组件和压力组件使得触头组件贴合异形件后保持稳定不回缩，无需操作人员手动操作，通过设置可往复翻转的触垫达到对接触面的切换效果，通过设置扩展件增加接触面积，达到较为稳定的装夹效果。
A clamping mechanism for a special-shaped part processing machine belongs to the technical field of machine tool fixtures. In order to solve the problems that when clamping special-shaped parts with surface requirements, the workpiece is easily damaged by a rigid clamp, the clamping part is relatively concentrated, and the workpiece is easily caused to slide relative to each other, and the pressure is maintained by manually operating the valve, which is inconvenient to operate, the invention includes a fixed seat, two vertical plates are fixedly connected to the top surface of the fixed seat, and a mounting plate is fixedly connected to the top surfaces of the two vertical plates. A first clamping block is fixedly connected to one side of the top surface of the mounting plate, and a slide groove is provided on the top surface of the mounting plate, and a second clamping block is slidably arranged in the slide groove. The present invention sets a drive component and a pressure component so that the contact component remains stable and does not retract after being attached to the special-shaped part, and no manual operation by the operator is required. The switching effect of the contact surface is achieved by setting a reciprocatingly flippable touch pad, and the contact area is increased by setting an extension part to achieve a more stable clamping effect.
Description
Technical Field
The invention relates to the technical field of machine tool fixtures, in particular to a clamping mechanism of a special-shaped piece machining machine tool.
Background
The special-shaped parts are mainly parts which are produced by the enterprise by self control and are not formulated by strict standards and specifications and are not regulated by related strict parameters, and the special-shaped parts are of various types and are relatively irregular in shape, so that the special-shaped parts are usually required to be positioned by using corresponding clamping mechanisms during machine tool machining.
According to the search, the patent with the bulletin number of CN204430884U is a clamp for highlight processing of special-shaped workpieces, which comprises a base, an air cylinder assembly arranged at one end of the base, a first positioning block fixed at the other end of the base, and a clamping assembly suspended between the air cylinder assembly and the first positioning block and in movable fit with the air cylinder assembly and the first positioning block, wherein the clamping assembly comprises a push block and a second positioning block, one end of the push block is in transmission connection with the air cylinder assembly, the other end of the push block is in movable connection with the first positioning block, and the second positioning block is movably embedded on the push block and is used for clamping the workpieces in cooperation with the first positioning block. Above-mentioned patent embodiment is through setting up cylinder subassembly and first locating block on the base to unsettled clamping assembly that sets up can remove between cylinder subassembly and first locating block, make this anchor clamps can the work piece of centre gripping regular shape, also can the centre gripping abnormal shape work piece, and the centre gripping is quick, firm, has promoted machining precision, has improved machining efficiency.
The prior art still has some defects when in use, such as different contact modes of clamping mechanisms when clamping special-shaped pieces with different surface requirements, and easy scratch and damage to the workpiece when clamping the special-shaped pieces with the surface requirements by using a rigid clamp; the clamping mechanism for the part of the special-shaped piece at present mainly maintains pressure by manually operating a valve, so that the contact is stable after extending out of a section of length, and the operation is inconvenient.
Aiming at the problems, the clamping mechanism of the special-shaped piece processing machine tool is provided.
Disclosure of Invention
The invention aims to provide a clamping mechanism of a special-shaped part processing machine tool, which adopts the device to work, so that the problems that when the special-shaped part with the surface required in the background is clamped, scratches are easily caused on the surface of the special-shaped part by clamping the special-shaped part through a rigid clamp, a workpiece is damaged, when the clamping surface of part of the special-shaped part is large or the weight is large, the clamping part is relatively concentrated, the workpiece is easily caused to relatively slide, and at present, the clamping mechanism of part of the special-shaped part mainly keeps pressure by manually operating a valve, so that a contact is stable after extending out for a certain length, and the operation is relatively inconvenient are solved.
The special-shaped piece machining machine tool clamping mechanism comprises a fixed seat, wherein two vertical plates are fixedly connected to the top surface of the fixed seat, mounting plates are fixedly connected to the top surfaces of the two vertical plates together, a first clamping block is fixedly connected to one side of the top surface of each mounting plate, a sliding groove is formed in the top surface of each mounting plate, a driving assembly is fixedly arranged on one side surface of each vertical plate, a second clamping block is arranged in each sliding groove in a sliding manner, the bottom surface of each second clamping block is fixedly connected with the movable end of each driving assembly, a plurality of contact assemblies are respectively embedded in each side wall of each first clamping block and each second clamping block in a sliding manner, pressure assemblies are symmetrically and fixedly connected to the top surface of the fixed seat, one ends of each first clamping block and each second clamping block are respectively fixedly provided with a first air inlet cavity, and the output ends of each pressure assembly are communicated with the inside of each first air inlet cavity through a pipeline, and the other ends of each first clamping block and each second clamping block are respectively fixedly provided with a second air inlet cavity;
The driving assembly comprises an electric telescopic rod fixedly connected to the side surface of one of the vertical plates, a first guide rod symmetrically and fixedly connected between the two vertical plates and a second guide rod fixedly connected to the inner wall of the chute, connecting blocks are arranged on the side walls of the first guide rod and the second guide rod in a sliding manner, the movable ends of the electric telescopic rod are fixedly connected with the side walls of the connecting blocks, two inclined rods are symmetrically and fixedly connected to the side walls of the connecting blocks, and the top surfaces of the connecting blocks are fixedly connected with the bottom surfaces of the second clamping blocks;
The pressure assembly comprises two piston cylinders which are symmetrically and fixedly connected to the top surface of a fixed seat, each piston cylinder is internally and fixedly connected with a piston in a sealing sliding manner, each piston is fixedly connected with a piston rod on the side wall of each piston, each piston rod is in penetrating and sliding connection with the side wall of the corresponding piston cylinder, one end of each piston rod, which is positioned outside the piston cylinder, is fixedly connected with the side wall of each inclined rod, each piston cylinder is fixedly connected with a first unidirectional pipe and a second unidirectional pipe in penetrating manner, one end of each piston cylinder is communicated with a first air inlet cavity on each first clamping block and each second clamping block, and each first air inlet cavity is communicated with the interiors of embedded grooves of the contact assemblies through pipelines.
Further, the contact assembly comprises a plurality of sealing sliding plates which are connected on the side walls of the first clamping block and the second clamping block in an embedded sliding manner, springs are fixedly connected on the outer wall of one side of each sealing sliding plate, the other ends of the springs are fixedly connected with the bottom wall of the embedded groove, feeler levers are fixedly connected on the outer wall of the other side of each sealing sliding plate, one end of each feeler lever, far away from each sealing sliding plate, is provided with a groove, and a touch pad is rotationally connected between the side walls of the inner cavity of the groove.
Further, the side walls of each contact rod, which are close to the two ends of the rotating shaft of the contact pad, are fixedly connected with a first control pipeline in a penetrating manner, and the outer wall of one side of each contact pad is fixedly connected with a second control pipeline;
The second air inlet cavity comprises a sealed shell, a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve are fixedly arranged in the sealed shell, the first control pipelines close to two ends of the touch pad rotating shaft are respectively communicated with the first electromagnetic valve and the second electromagnetic valve after being clustered through pipelines, the second control pipelines are communicated with the third electromagnetic valve after being clustered through pipelines, and the second air inlet cavity is communicated with external pressurizing equipment through pipelines.
Further, the touch pad comprises a rotating sleeve which is connected between the side walls of the inner cavity of the groove in a rotating mode and a sliding rod which is fixedly connected between the side walls of the inner cavity of the groove, the sliding rod is arranged inside the rotating sleeve and is coaxial with the rotating sleeve, a driving plate is connected to the outer wall of the sliding rod in a sliding mode, and a clamping abutting plate is fixedly connected to the outer wall of the rotating sleeve.
Further, first flexible cushion blocks are symmetrically arranged on the top surface of the clamping and resisting plate, a plurality of teeth are arranged on the bottom surface of the clamping and resisting plate, accommodating grooves are formed in the outer walls of the two sides of the clamping and resisting plate, and expansion pieces are connected inside the accommodating grooves in a sliding mode.
Further, the extension piece includes the expansion board of sliding connection in the accepting groove inside, the inside cavity structure that is of expansion board, run through the slip on the top surface of expansion board and be provided with the flexible cushion of second, run through the slip on the bottom surface of expansion board and be provided with the pinion rack.
Further, a spiral groove is formed in the side wall of the inner cavity of the rotating sleeve, strip-shaped grooves are symmetrically formed in the side wall of the sliding rod, and clamping beads are elastically arranged on the outer walls, close to the two ends, of the sliding rod in an embedded mode.
Further, the driving plate comprises a circular plate which is connected to the side wall of the sliding rod in a sliding mode, a through hole matched with the section of the sliding rod is formed in the circle center of the circular plate, a positioning groove is formed in the side wall of an inner cavity of the through hole, balls are arranged on the side wall of the circular plate in an embedded rotating mode, and the balls roll against the inner wall of the spiral groove.
Compared with the prior art, the invention has the following beneficial effects:
Through setting up drive assembly and pressure subassembly, when the second clamping piece is close to first clamping piece, compress pressure subassembly, make it carry out the pressure boost to first inlet chamber, then diffuse to a plurality of contact assemblies, it is ejecting with the contact assembly through pressure effect, keep stable the non-retracting after laminating dysmorphism piece, need not operating personnel manual operation, it is comparatively convenient during the use; through setting up the contact pad that can reciprocate, when carrying out the clamping to the dysmorphism piece that has the surface to require, contact through flexible cushion and dysmorphism piece, when carrying out the clamping to the dysmorphism piece that has more surface edges and corners, overturn 180 with the contact pad, switch to the flank of tooth to can reach better clamping effect, through setting up the extension piece, when the clamping face of dysmorphism piece is great or dysmorphism piece weight is great, increase area of contact through stretching out the extension piece, reach comparatively stable clamping effect, avoid it to take place the relative slip, lead to the phenomenon that drops.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a portion of a driving assembly according to the present invention;
FIG. 3 is a schematic view of a second intake chamber portion according to the present invention;
FIG. 4 is a schematic view of the structure of the pressure assembly part of the present invention;
FIG. 5 is a schematic view of a portion of a contact assembly according to the present invention;
FIG. 6 is a schematic view of the structure of the contact pad portion of the contact assembly of the present invention;
FIG. 7 is a schematic view of the structure of the expansion part of the present invention;
FIG. 8 is a schematic cross-sectional view of the transfer sleeve and slide bar portion of the present invention;
Fig. 9 is a schematic structural view of a driving plate portion in the present invention.
In the figure, 1, a fixed seat, 2, a vertical plate, 3, a mounting plate, 4, a first clamping block, 5, a sliding groove, 6, a driving component, 61, an electric telescopic rod, 62, a first guide rod, 63, a second guide rod, 64, a connecting block, 65, a diagonal rod, 7, a second clamping block, 8, a contact component, 81, a sealing sliding plate, 82, a spring, 83, a feeler lever, 831, a groove, 84, a contact pad, 841, a rotating sleeve, 8411, a spiral groove, 842, a sliding rod, 8421, a strip-shaped groove, 8422, a clamping bead, 843, a driving plate, 8431, a circular plate, 8432, a through hole, 8433, a positioning groove, 8434, a ball, 844, a clamping bearing plate, 8441, a first flexible cushion block, 8442, teeth, 8443, a containing groove, 845, an expanding piece, 8451, an expanding plate, 8452, a second flexible cushion block, 8453, a toothed plate, 85, a first control pipeline, 86, a second control pipeline, 9, a pressure component, 91, 92, a piston, 94, a first electromagnetic valve, a piston, a third electromagnetic valve, a piston, a 203, a piston rod, a third electromagnetic valve, a main housing, a sealing housing, a main housing, a piston, a single-direction air chamber, and a valve, a main housing, and a vacuum.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the technical problems that the pressure is kept by manually operating the valve, the contact is kept stable after extending for a certain length, and the operation is relatively inconvenient, as shown in fig. 1-5, the following preferable technical scheme is provided:
The utility model provides a dysmorphism processing lathe clamping machine constructs, including fixing base 1, fixedly connected with two risers 2 on the top surface of fixing base 1, common fixedly connected with mounting panel 3 on the top surface of two risers 2, the first dress clamp splice 4 of top surface one side fixedly connected with of mounting panel 3, spout 5 has been seted up on the top surface of mounting panel 3, fixedly mounted drive assembly 6 on one of them riser 2 side, the sliding is provided with second dress clamp splice 7 in spout 5, the bottom surface and the free end fixed connection of drive assembly 6 of second dress clamp splice 7, all inlay the slip on the lateral wall of first dress clamp splice 4 and second dress clamp splice 7 and be provided with a plurality of contact assemblies 8, symmetrical fixedly connected with pressure subassembly 9 on the top surface of fixing base 1, the equal fixedly mounted of one end of first dress clamp splice 4 and second dress clamp splice 7 has first air inlet chamber 10, the output of pressure subassembly 9 is through pipeline and the inside intercommunication of first air inlet chamber 10, the equal fixedly mounted of the other end of first dress clamp splice 4 and second dress clamp splice 7 has second air inlet chamber 20.
During clamping, the special-shaped piece is placed between the first clamping block 4 and the second clamping block 7 on the mounting plate 3, then the second clamping block 7 is driven to move through the driving component 6, the second clamping block 7 is close to the first clamping block 4, meanwhile, the movable end of the driving component 6 moves and simultaneously compresses the pressure component 9, the first air inlet cavity 10 is pressurized, the first air inlet cavity 10 diffuses pressure into the embedded grooves of each contact component 8 through a pipeline, the contact components 8 stretch out and are attached to the outer walls of the special-shaped pieces through the pushing action of the pressure, so that the clamping mechanism can adapt to special-shaped pieces of different shapes, and the situation that the clamping is unstable due to retraction after the contact components 8 stretch out can not occur through the pressure action.
When the special-shaped piece with certain requirements on the surface is clamped, the flexible surface of the contact assembly 8 is contacted with the special-shaped piece, damage to the surface of a workpiece is avoided, when the special-shaped piece with no specific requirements on the surface and rough surface is clamped, the inside of the second air inlet cavity 20 is pressurized through external pressurizing equipment, the second air inlet cavity 20 enables the contact assembly 8 to overturn through changing of an air pipeline, the flexible surface is switched into a tooth surface, the special-shaped piece is clamped firmly, damage to flexible materials is avoided, the clamping effect is affected, when the special-shaped piece with larger clamping surface or larger weight is clamped, the contact assembly 8 is controlled by the second air inlet cavity 20 through changing of the air pipeline, and the clamping effect is enhanced through increasing of the contact area of the contact assembly 8 and the special-shaped piece.
The driving assembly 6 comprises an electric telescopic rod 61 fixedly connected to the side face of one of the vertical plates 2, a first guide rod 62 symmetrically and fixedly connected between the two vertical plates 2 and a second guide rod 63 fixedly connected to the inner wall of the chute 5, a connecting block 64 is arranged on the side walls of the first guide rod 62 and the second guide rod 63 in a sliding mode, the movable end of the electric telescopic rod 61 is fixedly connected with the side wall of the connecting block 64, two inclined rods 65 are symmetrically and fixedly connected to the side wall of the connecting block 64, and the top face of the connecting block 64 is fixedly connected with the bottom face of the second clamping block 7.
The pressure assembly 9 comprises two piston cylinders 91 which are symmetrically and fixedly connected to the top surface of the fixed seat 1, each piston cylinder 91 is internally and slidably connected with a piston 92 in a sealing manner, each piston 92 is fixedly connected with a piston rod 93 on the side wall of each piston 92, each piston rod 93 is connected with the side wall of the corresponding piston cylinder 91 in a penetrating and sliding manner, one ends of the two piston rods 93 outside the piston cylinders 91 are respectively fixedly connected with the side walls of the two inclined rods 65, one ends of each piston cylinder 91 are respectively connected with a first unidirectional pipe 94 and a second unidirectional pipe 95 in a penetrating and fixedly connected manner, one ends of the two first unidirectional pipes 94 are respectively communicated with the first air inlet cavity 10 on the first clamping block 4 and the second clamping block 7, and the first air inlet cavity 10 is communicated with the interiors of the embedded grooves of the contact assemblies 8 through pipelines.
The contact assembly 8 comprises a plurality of sealing sliding plates 81 which are embedded and connected on the side walls of the first clamping block 4 and the second clamping block 7 in a sliding manner, springs 82 are fixedly connected on the outer wall of one side of each sealing sliding plate 81, the other end of each spring 82 is fixedly connected with the bottom wall of the embedded groove, a contact rod 83 is fixedly connected on the outer wall of the other side of each sealing sliding plate 81, a groove 831 is formed in one end, far away from the sealing sliding plate 81, of each contact rod 83, and a contact pad 84 is rotationally connected between the side walls of the inner cavity of the groove 831.
Specifically, when the electric telescopic rod 61 pulls the connecting block 64, the second clamping block 7 moves to be close to the first clamping block 4, the inclined rod 65 on the connecting block 64 drives the two piston rods 93 to move, and then the piston 92 can press the gas inside the piston cylinder 91 into the first air inlet cavity 10, the first air inlet cavity 10 is used for pressurizing and diffusing the gas into the embedded grooves of the plurality of contact assemblies 8, the sealing sliding plate 81 is pushed to slide towards the outer direction through the pressure effect, the contact rod 83 drives the contact pad 84 to stretch out, and finally the contact pad is tightly attached to the surface of a special-shaped piece, the special-shaped piece is blocked after the contact assemblies 8 stretch out of different lengths due to irregular surface shapes of the special-shaped piece, so that the clamping effect of the special-shaped piece with different shapes can be achieved, and the electric telescopic rod 61 is fixed in position after stopping, so that the effect of keeping pressure can be achieved, the contact assemblies 8 cannot retract, and the stability of the special-shaped piece is ensured.
In order to solve the technical problem that scratches are easily caused on the surface of a special-shaped piece with requirements when the special-shaped piece is clamped by a rigid clamp, and the workpiece is damaged, as shown in fig. 5-9, the following preferable technical scheme is provided:
The side wall of each feeler lever 83, which is close to the two ends of the rotating shaft of the touch pad 84, is fixedly connected with a first control pipeline 85 in a penetrating way;
The second air inlet cavity 20 comprises a sealed shell 201, a first electromagnetic valve 202, a second electromagnetic valve 203 and a third electromagnetic valve 204 are fixedly arranged in the sealed shell 201, a first control pipeline 85 close to two ends of a rotating shaft of the touch pad 84 is respectively communicated with the first electromagnetic valve 202 and the second electromagnetic valve 203 after being clustered through pipelines, and the second air inlet cavity 20 is communicated with external pressurizing equipment through pipelines.
The contact pad 84 comprises a rotating sleeve 841 which is rotatably connected between the inner cavity side walls of the groove 831 and a sliding rod 842 which is fixedly connected between the inner cavity side walls of the groove 831, the sliding rod 842 is arranged inside the rotating sleeve 841, the sliding rod 842 is coaxial with the rotating sleeve 841, a driving plate 843 is slidingly connected on the outer wall of the sliding rod 842, and a clamping retaining plate 844 is fixedly connected on the outer wall of the rotating sleeve 841.
Spiral grooves 8411 are formed in the side wall of the inner cavity of the rotating sleeve 841, strip-shaped grooves 8421 are symmetrically formed in the side wall of the sliding rod 842, and clamping beads 8422 are elastically arranged on the outer wall of the sliding rod 842, which is close to the two ends.
The driving plate 843 comprises a circular plate 8431 which is slidably connected to the side wall of the sliding rod 842, a through hole 8432 matched with the section of the sliding rod 842 is formed in the center of the circular plate 8431, a positioning groove 8433 is formed in the side wall of the inner cavity of the through hole 8432, a ball 8434 is arranged on the side wall of the circular plate 8431 in an embedded rotating mode, and the ball 8434 abuts against the inner wall of the spiral groove 8411 to roll.
The top surface of clamping butt plate 844 is provided with first flexible cushion 8441 on the symmetry, is equipped with a plurality of teeth 8442 on the bottom surface of clamping butt plate 844, has all seted up accepting groove 8443 on the outer wall of clamping butt plate 844 both sides, and accepting groove 8443 inside sliding connection has extension 845.
Specifically, when the special-shaped piece with the surface requirement is clamped, the first flexible cushion block 8441 is contacted with the surface of the special-shaped piece, the problem that scratches are caused on the surface of the special-shaped piece during clamping, and the workpiece is damaged is avoided, when the special-shaped piece with the surface roughness or more edges and corners is clamped, the pressure of external pressurizing equipment is transmitted to the first control pipeline 85 by opening the first electromagnetic valve 202, the first control pipeline 85 penetrates through the side wall of the groove 831 and then is communicated with one end of the rotating sleeve 841, when the pressure effect overcomes the elastic force effect of the clamping bead 8422, the driving plate 843 is pushed to one side, the positioning groove 8433 is separated from the clamping bead 8422 at one end, and starts to slide along the sliding rod 842, at the moment, the balls 8434 on the side wall of the circular plate 8431 are propped against the spiral groove 8411 of the rotating sleeve 841, so that the rotating sleeve 841 can be driven to rotate, when the driving plate 843 slides from one end of the sliding rod 842 to the other end to be clamped and positioned with the clamping bead 8422 again, the rotating sleeve 841 is driven to complete 180 DEG turnover, at the moment, the contact pad 84 is outward for the teeth 8442, the special-shaped piece is contacted with the special-shaped piece, when the surface requirement is overcome, the elastic force of the clamping device, and the second electromagnetic valve is required to move, and the opposite direction 203 can be required to move when the surface 203, and the clamping mechanism is required to move.
In order to solve the technical problem that when the clamping surface of part of the special-shaped piece is large or the weight is large, the clamping part is relatively concentrated and the workpiece is easy to slide relatively, as shown in fig. 3, 5 and 7, the following preferable technical scheme is provided:
a second control pipeline 86 is fixedly connected to the outer wall of one side of each contact pad 84, and the second control pipeline 86 is communicated with the third electromagnetic valve 204 after being bundled through a pipeline.
The expanding member 845 includes an expanding plate 8451 slidably coupled inside the receiving groove 8443, the expanding plate 8451 having a hollow structure inside, a second flexible cushion block 8452 is provided through slidably on a top surface of the expanding plate 8451, and a toothed plate 8453 is provided through slidably on a bottom surface of the expanding plate 8451.
Specifically, when the clamping surface of the profiled member to be clamped is large or the weight is large, the pressure can enter the accommodating groove 8443 and the inside of the expansion plate 8451 through opening the third electromagnetic valve 204, the expansion plate 8451 is extended outwards through the action of the pressure force, and the second flexible cushion block 8452 and the toothed plate 8453 can slide outwards from the expansion plate 8451 through further pressurization, so that the second flexible cushion block 8452 is flush with the first flexible cushion block 8441, the toothed plate 8453 is flush with the teeth 8442, the contact area between the contact pad 84 and the profiled member can be increased, and the clamping stability is improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The special-shaped piece machining machine tool clamping mechanism comprises a fixed seat (1) and is characterized in that two vertical plates (2) are fixedly connected to the top surface of the fixed seat (1), a mounting plate (3) is fixedly connected to the top surfaces of the two vertical plates (2), a first clamping block (4) is fixedly connected to one side of the top surface of the mounting plate (3), a sliding groove (5) is formed in the top surface of the mounting plate (3), a driving component (6) is fixedly installed on one side surface of the vertical plate (2), a second clamping block (7) is arranged in the sliding groove (5) in a sliding mode, the bottom surface of the second clamping block (7) is fixedly connected with the movable end of the driving component (6), a plurality of contact assemblies (8) are fixedly arranged on the side walls of the first clamping block (4) and the second clamping block (7) in an embedded sliding mode, a pressure assembly (9) is symmetrically and fixedly connected to the top surface of the fixed seat (1), one end of the first clamping block (4) and one end of the second clamping block (7) is fixedly installed with a driving component (6), and the other end of the first clamping block (4) and the other end of the second clamping block (7) are fixedly connected with an air inlet cavity (20);
The driving assembly (6) comprises an electric telescopic rod (61) fixedly connected to the side face of one of the vertical plates (2), a first guide rod (62) symmetrically and fixedly connected between the two vertical plates (2) and a second guide rod (63) fixedly connected to the inner wall of the sliding groove (5), connecting blocks (64) are arranged on the side walls of the first guide rod (62) and the second guide rod (63) in a sliding mode, movable ends of the electric telescopic rod (61) are fixedly connected with the side walls of the connecting blocks (64), two inclined rods (65) are symmetrically and fixedly connected to the side walls of the connecting blocks (64), and the top faces of the connecting blocks (64) are fixedly connected with the bottom faces of the second clamping blocks (7);
The pressure assembly (9) comprises two piston cylinders (91) which are symmetrically and fixedly connected to the top surface of the fixing seat (1), each piston cylinder (91) is internally and fixedly connected with a piston (92) in a sealing sliding manner, each piston cylinder (92) is fixedly connected with a piston rod (93) on the side wall of each piston (92), each piston rod (93) is in penetrating sliding connection with the side wall of the corresponding piston cylinder (91), one end of each piston rod (93) located outside the piston cylinder (91) is fixedly connected with the side wall of each inclined rod (65), one end of each piston cylinder (91) is fixedly connected with a first unidirectional pipe (94) and a second unidirectional pipe (95) in a penetrating manner, one end of each first unidirectional pipe (94) is respectively communicated with a first air inlet cavity (10) on each first clamping block (4) and each second clamping block (7), and each first air inlet cavity (10) is communicated with the interiors of the embedded grooves of the contact assemblies (8) through pipelines.
2. The special-shaped part machining machine tool clamping mechanism according to claim 1, wherein the contact assembly (8) comprises a plurality of sealing sliding plates (81) which are embedded and connected on the side walls of the first clamping block (4) and the second clamping block (7), a spring (82) is fixedly connected to one side outer wall of each sealing sliding plate (81), the other end of each spring (82) is fixedly connected with the bottom wall of the embedded groove, a feeler lever (83) is fixedly connected to the other side outer wall of each sealing sliding plate (81), a groove (831) is formed in one end, far away from the sealing sliding plate (81), of each feeler lever (83), and a touch pad (84) is rotationally connected between inner cavity side walls of the groove (831).
3. The clamping mechanism of the special-shaped part machining machine tool according to claim 2, wherein a first control pipeline (85) is fixedly connected to the side wall of each feeler lever (83) close to the two ends of the rotating shaft of the touch pad (84) in a penetrating manner, and a second control pipeline (86) is fixedly connected to the outer wall of one side of each touch pad (84);
The second air inlet cavity (20) comprises a sealed shell (201), a first electromagnetic valve (202), a second electromagnetic valve (203) and a third electromagnetic valve (204) are fixedly arranged in the sealed shell (201), the first control pipelines (85) close to two ends of a rotating shaft of the touch pad (84) are respectively communicated with the first electromagnetic valve (202) and the second electromagnetic valve (203) after being clustered through pipelines, the second control pipelines (86) are communicated with the third electromagnetic valve (204) after being clustered through pipelines, and the second air inlet cavity (20) is communicated with external pressurizing equipment through pipelines.
4. The special-shaped part processing machine tool clamping mechanism according to claim 3, wherein the contact pad (84) comprises a rotating sleeve (841) connected between inner cavity side walls of the groove (831) in a rotating mode and a sliding rod (842) fixedly connected between inner cavity side walls of the groove (831), the sliding rod (842) is arranged inside the rotating sleeve (841), the sliding rod (842) is coaxial with the rotating sleeve (841), a driving plate (843) is connected to the outer wall of the sliding rod (842) in a sliding mode, and a clamping retaining plate (844) is fixedly connected to the outer wall of the rotating sleeve (841).
5. The special-shaped piece processing machine tool clamping mechanism according to claim 4, wherein the top surface of the clamping and resisting plate (844) is symmetrically provided with a first flexible cushion block (8441), the bottom surface of the clamping and resisting plate (844) is provided with a plurality of teeth (8442), the outer walls of the two sides of the clamping and resisting plate (844) are provided with accommodating grooves (8443), and expansion pieces (845) are connected inside the accommodating grooves (8443) in a sliding mode.
6. The fixture of a forming machine tool according to claim 5, wherein the expanding member (845) comprises an expanding plate (8451) slidably connected inside the accommodating groove (8443), the inside of the expanding plate (8451) is of a cavity structure, a second flexible cushion block (8452) is arranged on the top surface of the expanding plate (8451) in a penetrating and sliding manner, and a toothed plate (8453) is arranged on the bottom surface of the expanding plate (8451) in a penetrating and sliding manner.
7. The special-shaped part processing machine tool clamping mechanism according to claim 4, wherein spiral grooves (8411) are formed in the side wall of an inner cavity of the rotating sleeve (841), strip-shaped grooves (8421) are symmetrically formed in the side wall of the sliding rod (842), and clamping beads (8422) are elastically arranged on the outer walls, close to the two ends, of the sliding rod (842) in an embedded mode.
8. The special-shaped piece processing machine tool clamping mechanism according to claim 7, wherein the driving plate (843) comprises a circular plate (8431) which is connected to the side wall of the sliding rod (842) in a sliding mode, a through hole (8432) matched with the section of the sliding rod (842) is formed in the circle center of the circular plate (8431), a positioning groove (8433) is formed in the side wall of an inner cavity of the through hole (8432), balls (8434) are arranged on the side wall of the circular plate (8431) in an embedded rotating mode, and the balls (8434) roll against the inner wall of the spiral groove (8411).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411721030.1A CN119188374A (en) | 2024-11-28 | 2024-11-28 | A clamping mechanism for a machine tool for processing special-shaped parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411721030.1A CN119188374A (en) | 2024-11-28 | 2024-11-28 | A clamping mechanism for a machine tool for processing special-shaped parts |
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| CN119188374A true CN119188374A (en) | 2024-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411721030.1A Pending CN119188374A (en) | 2024-11-28 | 2024-11-28 | A clamping mechanism for a machine tool for processing special-shaped parts |
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| Country | Link |
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| CN (1) | CN119188374A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121337110A (en) * | 2025-12-17 | 2026-01-16 | 浙江健诚鞋业集团股份有限公司 | An apparatus and method for surface treatment of leather shoes |
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| CN218969289U (en) * | 2022-10-28 | 2023-05-05 | 常州锐星源真空科技有限公司 | Clamping device for heat treatment of metal surface |
| CN219986699U (en) * | 2023-06-28 | 2023-11-10 | 西安蔻奢自动化技术有限公司 | Flexible positioning clamping tool module |
| CN221435698U (en) * | 2023-10-30 | 2024-07-30 | 湖北嘉成新能源装备有限公司 | Metal product processing fixture |
| CN118848848A (en) * | 2024-07-30 | 2024-10-29 | 贵州振华华联电子有限公司 | Quick clamping device for machining special-shaped parts |
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| SU1388245A1 (en) * | 1986-09-26 | 1988-04-15 | Гомельский политехнический институт | Gripping device |
| CN114633276A (en) * | 2022-05-10 | 2022-06-17 | 淮阴工学院 | A multi-functional intelligent machine hand for material processing |
| CN114933162A (en) * | 2022-05-18 | 2022-08-23 | 深圳市鸿淏高科产业发展有限公司 | Induction type track delivery machine device for intelligent manufacturing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN121337110A (en) * | 2025-12-17 | 2026-01-16 | 浙江健诚鞋业集团股份有限公司 | An apparatus and method for surface treatment of leather shoes |
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