CN113275927B - Automatic positioning clamping tool - Google Patents

Automatic positioning clamping tool Download PDF

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Publication number
CN113275927B
CN113275927B CN202110588342.XA CN202110588342A CN113275927B CN 113275927 B CN113275927 B CN 113275927B CN 202110588342 A CN202110588342 A CN 202110588342A CN 113275927 B CN113275927 B CN 113275927B
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China
Prior art keywords
cylinder
angular
workpiece
main board
push cylinder
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CN202110588342.XA
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Chinese (zh)
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CN113275927A (en
Inventor
褚建伟
亢延亮
王杰文
宋翠宁
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Yantai Eddie Precision Machinery Co Ltd
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Yantai Eddie Precision Machinery Co Ltd
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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
    • B23Q3/08—Work-clamping means other than mechanically-actuated
    • 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
    • B23Q3/08—Work-clamping means other than mechanically-actuated
    • B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention discloses an automatic positioning and clamping tool which comprises a main board, a workpiece positioning column, an adjusting mechanism and a clamping mechanism, wherein the adjusting mechanism comprises a pushing cylinder, an angular pushing cylinder rod, an angular positioning column and an angular positioning seat, the pushing cylinder and the angular positioning seat are respectively arranged on the main board, the angular positioning column is arranged on the angular pushing cylinder rod, a driving end of the pushing cylinder is connected with one end of the angular pushing cylinder rod, the other end of the angular pushing cylinder rod is sleeved with the workpiece positioning column, and the clamping mechanism comprises at least one lever cylinder for compressing a positioned workpiece, and the lever cylinder is arranged on the main board. The automatic positioning and clamping device can automatically position and clamp the workpiece, and the whole clamping process can realize unmanned automatic processing of the vertical processing center through the cooperation of the robot, so that the automatic positioning device is accurate in positioning, reliable in clamping and stable in processing, improves the processing efficiency of the vertical processing center, can greatly save the labor cost, and creates good economic benefits for enterprises.

Description

Automatic positioning and clamping tool
Technical Field
The invention relates to an automatic positioning and clamping tool, and belongs to the technical field of workpiece clamping and positioning.
Background
Milling is a machining method in which a metal is cut by a tool rotating at a high speed to remove a material. The vertical machining center is a machine tool for realizing milling machining through a structure of a vertical layout main shaft. Due to the vertical arrangement of the spindle, the tool moves up and down along the spindle direction and along the top end of the workpiece in the horizontal direction. The existing vertical machining center tool is usually clamped manually. This type frock needs the manual work to participate in clamping location, can not cooperate robot etc. to carry out automated processing, needs the manual work to realize the clamp of work piece through operations such as screwing the bolt, and not only waste time and energy, workman's intensity of labour is high, can influence whole milling process because of the clamp location of work piece moreover, leads to vertical machining center's machining efficiency low, and the cost of labor is higher.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides the automatic positioning and clamping tool which has the advantages of simple structure, high positioning and clamping efficiency, reduced labor intensity of workers and labor cost saving, and can realize automatic positioning and clamping.
The automatic positioning and clamping tool comprises a main board, a workpiece positioning column, an adjusting mechanism and a clamping mechanism, wherein the workpiece positioning column, the adjusting mechanism and the clamping mechanism are arranged on the main board and used for positioning a workpiece, the adjusting mechanism comprises a push cylinder, an angular push cylinder rod, an angular positioning column and an angular positioning seat, the angular positioning seat is used for accurately limiting the workpiece, the push cylinder and the angular positioning seat are respectively arranged on the main board, the angular positioning column is arranged on the angular push cylinder rod, a driving end of the push cylinder is connected with one end of the angular push cylinder rod, the other end of the angular push cylinder rod is sleeved with the workpiece positioning column, and the clamping mechanism comprises at least one lever cylinder used for compressing the positioned workpiece and is arranged on the main board.
The automatic positioning and clamping tool has the advantages that workpieces can be automatically positioned and clamped through the tool, unmanned automatic machining of a vertical machining center can be achieved through matching of the whole clamping process and a robot, automatic positioning and clamping can be achieved, positioning is accurate, clamping is reliable, machining is stable, machining efficiency of the vertical machining center is improved, labor cost can be greatly saved, and good economic benefits are created for enterprises.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the device also comprises a support column for supporting the workpiece and monitoring the state of the workpiece, wherein a support column air hole communicated with compressed air is formed in the support column.
The support column has the beneficial effects that the support column can play a role in supporting a workpiece on one hand, and on the other hand, the support column air hole is formed in the support column, is communicated with an air source through a pipeline and can be used for monitoring the compaction state of the workpiece, if the workpiece is loose or is not compacted in place, the air leakage phenomenon can occur, and the alarm can be timely given out to prevent accidents.
Further, a main board oil duct for transmitting the pressure of the hydraulic station to the push cylinder and the lever cylinder is arranged in the main board.
The hydraulic station can provide hydraulic oil for the push cylinder or the lever cylinder through the main board oil duct, so that the clamping of a workpiece and the milling operation of the vertical machining center are not affected by the fact that an oil path is exposed outside.
Further, the push cylinder is mounted on the main board through a push cylinder base.
The pushing cylinder has the advantages that the pushing cylinder is used for fixing the pushing cylinder and transmitting pressure to the pushing cylinder, and the pushing cylinder is operated.
Further, an oil way communicated with the main board oil way is arranged in the cylinder pushing base and/or the cylinder base of the lever cylinder.
The beneficial effect of adopting above-mentioned further scheme is, also need not to set up the oil circuit between mainboard and cylinder body, and hydraulic oil directly corresponds through the oil circuit and enters into pushing away in jar and the lever jar, avoids the interference of the complicated oil circuit of wrong end.
Further, a main board air passage is further arranged in the main board, and an inlet of the support column air hole is communicated with an outlet of the main board air passage.
The beneficial effect of adopting above-mentioned further scheme is, the air supply accessible gas circuit of support column supplies, but if the direct overall arrangement of gas circuit is on the mainboard surface, the pipeline is complicated difficult to arrange, still can influence the placing of work piece and the milling of work piece.
Furthermore, the main board is also provided with a hydraulic valve block, and a valve block oil way in the hydraulic valve block is connected with a hydraulic station pipeline.
The oil way is controlled through the valve block, so that the control of the pushing cylinder and the lever cylinder is realized.
Further, the driving end of the pushing cylinder is hinged with the angular pushing cylinder rod through the pushing cylinder rod.
The beneficial effect of adopting the further scheme is that the connection between the angular pushing cylinder rod and the pushing cylinder is realized through the pushing cylinder rod, so that the pushing cylinder is convenient to pass through
Furthermore, O-shaped sealing rings are arranged between the support column, the pushing cylinder base and/or the lever cylinder and the main board respectively.
The beneficial effect of adopting above-mentioned further scheme is, further increases the support column, pushes away the installation leakproofness between jar base and lever jar and the mainboard, avoids appearing leaking oil, the problem of gas leakage.
Further, a plug for blocking the processing technology hole is arranged on the main board.
The further scheme has the beneficial effects that the processing technology Kong Dusi for processing the oil duct and the air duct on the main board can avoid oil leakage or air leakage.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is a schematic view of the structure of the angle push rod of the present invention;
FIG. 5 is a schematic view of the structure of the present invention in a work-piece-placed state;
FIG. 6 is a schematic view of a workpiece adjustment state according to the present invention;
FIG. 7 is a schematic top view of the workpiece in a clamped state after positioning;
FIG. 8 is a schematic perspective view showing a clamping state after positioning a workpiece according to the present invention;
In the figure, 1, a main plate, 2, a push cylinder base, 3, a push cylinder, 4, a valve block, 5, a push cylinder rod, 6, an angular push cylinder rod, 7, an angular positioning column, 8, a lever cylinder, 9, a support column, 10, a workpiece positioning column, 11, an angular positioning seat and 12, a plug.
Detailed Description
The principles and features of the present invention are described below in connection with examples, which are set forth only to illustrate the present invention and not to limit the scope of the invention.
As shown in figures 1-8, the automatic positioning and clamping tool comprises a main plate 1, a workpiece positioning column 10, an adjusting mechanism and a clamping mechanism, wherein the workpiece positioning column 10 is arranged on the main plate 1 and used for positioning a workpiece, the adjusting mechanism comprises a push cylinder 3, an angular push cylinder rod 6, an angular positioning column 7 and an angular positioning seat 11 used for accurately limiting the workpiece, the push cylinder and the angular positioning seat are respectively arranged on the main plate, the angular positioning column is arranged on the angular push cylinder rod, the driving end of the push cylinder is hinged with one end of the angular push cylinder rod, the other end of the angular push cylinder rod is sleeved with the workpiece positioning column, and the clamping mechanism comprises at least one lever cylinder 8 used for compressing the positioned workpiece and arranged on the main plate.
The device also comprises a support column 9 for supporting the workpiece and monitoring the state of the workpiece, wherein a support column air hole communicated with compressed air is formed in the support column 9. The support column can play the effect of supporting the work piece on the one hand, and on the other hand has support column gas pocket in its inside, and the support column gas pocket passes through pipeline and air supply intercommunication, can also be used for monitoring the state of compressing tightly of work piece, if work piece is not hard up or compress tightly not in place, then can appear leaking gas phenomenon, can in time report to the police, prevents the occurence of failure.
And a main board oil duct used for transmitting the pressure of the hydraulic station to the push cylinder and the lever cylinder is arranged in the main board. The hydraulic station can provide hydraulic oil for the push cylinder or the lever cylinder through the main board oil duct, so that an oil way is not required to be exposed outside to influence the clamping of a workpiece and the milling operation of the vertical machining center.
The push cylinder is arranged on the main board through a push cylinder base 2. The device is used for fixing the pushing cylinder and transmitting pressure to the pushing cylinder to realize the action of the pushing cylinder.
And an oil way communicated with the main board oil duct is arranged in the cylinder pushing base and/or the cylinder base of the lever cylinder. An oil way is not required to be arranged between the main board and the cylinder body, hydraulic oil directly enters the pushing cylinder and the lever cylinder correspondingly through the oil way, and interference of the mistaken and complex oil way is avoided.
And a main board air passage is further formed in the main board, and an inlet of the support column air hole is communicated with an outlet of the main board air passage. The air source of the support column can be supplied through the air channel, but if the air channel is directly distributed on the surface of the main board, the air channel is complex and difficult to arrange, and the placement of the workpiece and the milling of the workpiece can be influenced.
The main board is also provided with a hydraulic valve block 4, and a valve block oil way in the hydraulic valve block is connected with a hydraulic station pipeline. The oil way can be controlled through the valve block, so that the control of the pushing cylinder and the lever cylinder is realized.
The driving end of the pushing cylinder is hinged with the angular pushing cylinder rod through a pushing cylinder rod 5. The connection between the angular pushing cylinder rod and the pushing cylinder is realized through the pushing cylinder rod, so that the pushing cylinder is convenient to pass
And O-shaped sealing rings are arranged between the supporting columns, the pushing cylinder base and/or the lever cylinder and the main board respectively. The installation tightness among the support column, the pushing cylinder base, the lever cylinder and the main board is further improved, and the problems of oil leakage and air leakage are avoided.
The main board is provided with a plug 12 for blocking the processing technology hole. The processing technology Kong Dusi when the oil duct and the air duct are processed on the main board can avoid oil leakage or air leakage.
The main board is used as a main body of the tool, bolts and other accessories of the tool are used for positioning and fixing the pin holes in the upper and lower surfaces of the main board, and oil ducts and air passages are formed in the main board and used for transmitting the pressure of the hydraulic station to the oil cylinder, so that the action of the oil cylinder is realized, and the positioning and compressing actions are completed. The pushing cylinder adopts a hydraulic cylinder capable of making extension and retraction actions. The hydraulic oil pressure is used for stretching out, then the pushing cylinder rod, the angular pushing cylinder rod and the angular positioning column are pushed to rotate around the positioning column, and the workpiece is driven to rotate, so that the angular positioning of the workpiece is realized. One end of the pushing cylinder rod is fixed on the pushing cylinder, and the other end is hinged on the angular pushing cylinder rod. The angular pushing cylinder rod is hinged with the pushing cylinder rod and the workpiece positioning column, and the angular positioning column is fixed on the angular pushing cylinder rod to transmit the pushing cylinder action to the workpiece so as to realize the rotation of the workpiece. In addition, a waist hole is formed at the end part connected with the pushing cylinder to ensure that the linear motion of the pushing cylinder is converted into circular motion. The lever cylinder realizes the pressing action under the action of oil pressure, and the workpiece is firmly fixed on the tool. The tool adopts three lever cylinders which are uniformly distributed, the angular positioning seat plays a limiting role when the workpiece rotates under the action of the pushing cylinder and other parts, the workpiece is ensured to be clamped at the same position each time, and the workpiece is prevented from rotating in the processing process.
Taking a cylinder body as an example, demonstrating the action process of the tool. A, a lever cylinder is opened at the moment, a pushing cylinder is retracted, B, a workpiece is placed into a tool through a manual or robot, a certain gap is reserved between the workpiece and an angular positioning column and between the workpiece and an angular positioning seat as can be seen from an enlarged view in FIG. 5, C, the pushing cylinder is controlled to extend through a hydraulic station, a pushing cylinder rod, the angular pushing cylinder rod and the angular positioning column are driven to act, the workpiece is driven to rotate by taking the workpiece positioning column as a center, after a kidney-shaped hole on the workpiece contacts the angular positioning seat, the workpiece is pushed to a preset position, the movement direction is shown as an arrow in FIG. 6, C, the lever cylinder is controlled to act through the hydraulic station, so that an oil cylinder is pressed against the workpiece, the workpiece is clamped, and then the workpiece is machined, D, when the workpiece is required to be taken out, the workpiece can be taken out from the upper side after the pushing cylinder is retracted, and the tool returns to the state A.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims (2)

1.一种自动定位夹紧工装，其是一种用于立式加工中心的缸体自动定位夹紧工装，所述缸体上设有肾型孔，其特征在于，包括主板、设置在主板上的用于定位工件的工件定位柱、调节机构及夹紧机构，所述调节机构包括推缸、角向推缸杆、角向定位柱及用于对工件精确限位的角向定位座，所述推缸及角向定位座分别设置在所述主板上，所述角向定位柱设置在所述角向推缸杆上，所述推缸的驱动端与所述角向推缸杆的一端连接，所述角向推缸杆的另一端与所述工件定位柱连接；所述夹紧机构包括用于对定位好的工件进行压紧的至少一个杠杆缸，所述杠杆缸安装在所述主板上；所述推缸的驱动端通过推缸杆与所述的角向推缸杆铰接；1. An automatic positioning and clamping tool, which is an automatic positioning and clamping tool for a cylinder body of a vertical machining center, the cylinder body being provided with a kidney-shaped hole, characterized in that it comprises a main board, a workpiece positioning column arranged on the main board for positioning a workpiece, an adjusting mechanism and a clamping mechanism, the adjusting mechanism comprising a push cylinder, an angular push cylinder rod, an angular positioning column and an angular positioning seat for accurately limiting the workpiece, the push cylinder and the angular positioning seat being respectively arranged on the main board, the angular positioning column being arranged on the angular push cylinder rod, the driving end of the push cylinder being connected to one end of the angular push cylinder rod, and the other end of the angular push cylinder rod being connected to the workpiece positioning column; the clamping mechanism comprising at least one lever cylinder for pressing the positioned workpiece, the lever cylinder being mounted on the main board; the driving end of the push cylinder being hinged to the angular push cylinder rod through the push cylinder rod; 还包括用于支撑工件并监测工件状态的支撑柱，所述支撑柱的内部设有与压缩空气连通的支撑柱气孔；所述主板内设有用于将液压站的压力传递给所述推缸及杠杆缸的主板油道；所述推缸通过推缸底座安装在所述主板上；It also includes a support column for supporting the workpiece and monitoring the state of the workpiece, wherein the support column is provided with a support column air hole connected to the compressed air; the main board is provided with a main board oil passage for transmitting the pressure of the hydraulic station to the push cylinder and the lever cylinder; the push cylinder is installed on the main board through a push cylinder base; 所述推缸底座和/或杠杆缸的缸座的内部设有与所述主板油道连通的油路；The push cylinder base and/or the cylinder seat of the lever cylinder are provided with an oil passage in communication with the main board oil passage; 所述主板内还设有主板气道，所述支撑柱气孔的入口与所述主板气道的出口连通；A mainboard airway is also provided in the mainboard, and the inlet of the air hole of the support column is connected with the outlet of the mainboard airway; 所述主板上还设有液压阀块，所述液压阀块内的阀块油路与液压站管路连接；所述支撑柱、推缸底座和/或杠杆缸分别与所述主板之间设有O型密封圈；The main board is also provided with a hydraulic valve block, and the valve block oil circuit in the hydraulic valve block is connected to the hydraulic station pipeline; O-rings are respectively provided between the support column, the push cylinder base and/or the lever cylinder and the main board; 工装的动作过程：杠杆缸打开，推缸缩回；将缸体工件放入工装上，缸体与角向定位柱和角向定位座之间存在间隙；推缸伸出，带动推缸杆、角向推缸杆及角向定位柱动作，带动缸体以工件定位柱为中心旋转，当缸体上相应的肾型孔接触到角向定位座时缸体被推至预定位置，实现缸体的角向定位；然后杠杆缸动作压紧缸体，缸体夹紧完成，立式加工中心进行自动化加工。The action process of the tooling: the lever cylinder opens and the push cylinder retracts; the cylinder workpiece is placed on the tooling, and there is a gap between the cylinder body and the angular positioning column and the angular positioning seat; the push cylinder extends, driving the push cylinder rod, the angular push cylinder rod and the angular positioning column to move, driving the cylinder body to rotate around the workpiece positioning column, and when the corresponding kidney-shaped hole on the cylinder body contacts the angular positioning seat, the cylinder body is pushed to the predetermined position to achieve angular positioning of the cylinder body; then the lever cylinder moves to press the cylinder body, the cylinder body is clamped, and the vertical machining center performs automated processing. 2.根据权利要求1所述的自动定位夹紧工装，其特征在于，所述主板上设有堵塞加工工艺孔的丝堵。2. The automatic positioning and clamping tooling according to claim 1 is characterized in that a screw plug for plugging the processing hole is provided on the main board.
CN202110588342.XA 2021-05-28 2021-05-28 Automatic positioning clamping tool Active CN113275927B (en)

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CN113798900B (en) * 2021-09-08 2024-01-12 合肥众石机电科技有限公司 Workpiece angular adjustment device and angular workpiece conveying system
CN114473584B (en) * 2021-12-28 2023-03-28 无锡鹰贝精密液压有限公司 Multi-station milling tool for low-pressure oil rail connecting piece

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CN106624083A (en) * 2016-11-04 2017-05-10 中山市毅马五金有限公司 Group milling machine
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