CN207735975U - A kind of PC beam supports clamping device for processing - Google Patents

A kind of PC beam supports clamping device for processing Download PDF

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Publication number
CN207735975U
CN207735975U CN201820072862.9U CN201820072862U CN207735975U CN 207735975 U CN207735975 U CN 207735975U CN 201820072862 U CN201820072862 U CN 201820072862U CN 207735975 U CN207735975 U CN 207735975U
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China
Prior art keywords
workbench
hydraulic cylinder
beam supports
fine tuning
top surface
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CN201820072862.9U
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Chinese (zh)
Inventor
郭江海
冯来义
吉敏廷
严安宁
张向祎
冯志
刘涛
刘一涛
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China Railway Baoji Bridge Group Co Ltd
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China Railway Baoji Bridge Group Co Ltd
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Abstract

The utility model is related to a kind of PC beam supports clamping device for processing, which includes workbench and centering body, hydraulic cylinder, link mechanism and micro-adjusting mechanism on the workbench;Centering body is symmetrically arranged on middle part at left and right sides of the upper end of workbench and is connected with the PC beam supports of placement on the table;Hydraulic cylinder connect with external hydraulic system and includes the longitudinal hydraulic cylinder for being symmetrically arranged in workbench front and rear sides wall and the transverse hydraulic oil cylinder for being installed in bench top;Link mechanism is symmetrically arranged on the front and back top surface of workbench, the piston rod of the longitudinal hydraulic cylinder of one end connection, and the other end is connected with the PC beam supports of placement on the table;Micro-adjusting mechanism is installed on workbench and obtains front side top surface and connected with the PC beam supports of placement on the table.The utility model structure design is simple, reasonable, convenient for mounting and clamping and efficient, can improve PC fine strain of millet bearing machining accuracies and production efficiency.

Description

A kind of PC beam supports clamping device for processing
Technical field
The utility model is related to a kind of clamping devices, and in particular to a kind of PC beam supports clamping device for processing.
Background technology
In city rail traffic engineering, PC fine strain of millet bearings are the basic units of circuit, and PC fine strains of millet bearing product quantity is drastically in recent years Increasing, batch is very big, is at present to be realized by screwde in clamping, and not only labor intensity is big, but also efficiency is low, By can not only mitigate operator's labor intensity after this clamping method, but also can improve labor efficiency.PC fine strain of millet bearings are processed Since it is not only of large quantities, but also machining accuracy, geometric tolerance and surface quality requirements are very high, how to control geometric tolerance and Surface quality requirements are the difficult point and key of its processing.Workpiece is manually to line at present, and centering and then again screwde on are by pressure Plate workpiece pressing, not only efficiency is low but also operator's labor intensity is big for this method, is additionally present of in processing due to cutting output Big the phenomenon that generating situations such as vibrating and pressing plate is caused to loosen, cause work pieces process dimension overproof.
Utility model content
In view of the above-mentioned problems, that the utility model proposes a kind of structure designs is simple, rationally, it is convenient for mounting and clamping and efficient, The PC beam support clamping device for processing of PC fine strain of millet bearing machining accuracies and production efficiency can be improved.
The technical solution of the utility model is as follows:
Above-mentioned PC beam support clamping device for processing, including workbench;The clamping device for processing further includes being mounted on institute State centering body, hydraulic cylinder, link mechanism and the micro-adjusting mechanism on workbench;The centering body is symmetrically arranged on the work Make middle part at left and right sides of the upper end of platform and is connected with the PC beam supports being placed on the workbench;The hydraulic cylinder with External hydraulic system connects and includes being symmetrically arranged in longitudinal hydraulic cylinder of workbench front and rear sides wall and being installed in Transverse hydraulic oil cylinder on the top surface of the workbench;The piston rod of the longitudinal direction hydraulic cylinder is connect with the link mechanism; The plunger rod contacts connection of the transverse hydraulic oil cylinder is placed on the PC beam supports on the workbench;The link mechanism is symmetrical Be installed on the front and back top surface of the workbench, one end connects the piston rod of longitudinal hydraulic cylinder, the other end be placed on PC beam supports on the workbench connect;The micro-adjusting mechanism be installed on the workbench obtain front side top surface and with placement PC beam supports on the workbench connect.
The PC beam supports clamping device for processing, wherein:The centering body is to be symmetrically arranged on the workbench upper end A pair in the middle part of the left and right sides;Each centering body includes centering bearing and centering adjusting screw rod;The centering bearing is solid In the middle part of the upper end left and right sidewall of the workbench, upper part is stretched out to the table top top of the workbench and external part is horizontal The centering adjusting screw rod is installed.
The PC beam supports clamping device for processing, wherein:There are four the longitudinal direction hydraulic cylinder tools and two one group symmetrical It is arranged in position of the workbench front and rear sides close to corner;The transverse hydraulic oil cylinder is installed in close to longitudinal described in one group On the top surface for stating workbench of hydraulic cylinder side.
The PC beam supports clamping device for processing, wherein:There are four the link mechanism tools and two one group is arranged symmetrically Position of the top surface close to corner before and after the workbench;Each link mechanism includes connecting rod support, connecting rod pillar and company Bar body;The connecting rod support is securely fitted in the top of the workbench positioned at the piston rod side of longitudinal hydraulic cylinder On face;The vertical fixing assembling of connecting rod pillar is in the center of top of the connecting rod support;Described con-rod only one end is articulated with The piston rod of the longitudinal direction hydraulic cylinder, stage casing are articulated with the top of the connecting rod pillar, and other end contact connectio is placed on institute State the PC beam supports on workbench.
The PC beam supports clamping device for processing, wherein:The micro-adjusting mechanism is to be installed on top surface on front side of the workbench A pair, each micro-adjusting mechanism includes fine tuning bearing, fine tuning shaft and fine tuning turntable;The fine tuning bearing, which is installed in, to be located at On the top surface of the workbench of the link mechanism side;The fine tuning shaft is horizontally installed to the top of the fine tuning bearing And be connected through a screw thread between the fine tuning bearing, described fine tuning shaft one end is stretched out and is stretched to the front side of the fine tuning bearing Outlet is installed with fine tuning turntable, and the other end is to the rear side stretching for finely tuning bearing and external part and is placed on the work PC beam supports on platform connect.
A kind of PC beam supports processing and loading clamp method, based on above-mentioned PC beam support clamping device for processing;The processing and loading clamp Method is to make centering cross hairs on the table, arranges centering body and micro-adjusting mechanism at center line both ends, then in workbench Hydraulic cylinder is installed in front and rear sides, and the piston rod of hydraulic cylinder is connected with link mechanism, the PC fine strain of millet bearings that need to be processed are placed in On the table top of workbench, start hydraulic system after centering, the piston rod of hydraulic cylinder is made to drive link mechanism workpiece pressing, to The positioning centering and clamping for completing workpiece, finally start work pieces process.
The PC beam supports processing and loading clamp method, wherein specifically include following steps:(1)Centering is made on the table Cross hairs;(2)The installation site of clamped position and centering body and micro-adjusting mechanism is determined according to product design drawing;(3)True The clamped position installation hydraulic cylinder and link mechanism set;(4)In the position installation centering body and micro-adjusting mechanism determined; (5)Workpiece is positioned on the workbench after centering, hydraulic system is started, the clamping of workpiece is carried out by hydraulic cylinder;(6)It opens Motivation bed starts the processing of workpiece;(7)Detection.
Advantageous effect:
The utility model PC beam support clamping device for processing structure design is simple, reasonable, convenient for mounting and clamping and efficient, can carry High PC fine strains of millet bearing machining accuracy and production efficiency.
Description of the drawings
Fig. 1 is the front view of the utility model PC beam support clamping device for processing;
Fig. 2 is the vertical view of the utility model PC beam support clamping device for processing;
Fig. 3 is the left view of the utility model PC beam support clamping device for processing.
Specific implementation mode
As shown in Figures 1 to 3, the utility model PC beam supports clamping device for processing, including workbench 1, centering body 2, liquid Compressing cylinder 3, link mechanism 4 and micro-adjusting mechanism 5.
The workbench 1 is square structure, and mounting groove 11 is offered on the surrounding side wall of lower end.
The centering body 2 is a pair for being symmetrically arranged on middle part at left and right sides of 1 upper end of workbench, each centering body 2 Including centering bearing 21 and centering adjusting screw rod 22;The centering bearing 21 is fixed at left and right sides of the upper end of the workbench 1 in wall Portion, upper part is stretched out to the table top top of the workbench 1 and external part is horizontally installed with centering adjusting screw rod 22.
The hydraulic cylinder 3 is symmetrically arranged in the front and rear sides of the workbench 1, specifically includes and connect with external hydraulic system Four longitudinal hydraulic cylinders 31 and a transverse hydraulic oil cylinder 32;This four longitudinal 31 two one group of hydraulic cylinders are symmetrically arranged in The 1 front and rear sides wall of workbench connects link mechanism 4 close to the position in corner, piston rod;The transverse hydraulic oil cylinder 32 is installed In 1 top surface of workbench close to the side of one group of longitudinal direction hydraulic cylinder 31, plunger rod contacts connection is placed on workbench 1 PC beam supports 6.
The link mechanism 4 is symmetrically arranged on the front and back top surface of the workbench 1, specifically includes four link mechanisms 4 and two One group is symmetrically arranged in before and after the workbench 1 top surface close to the position in corner;Each link mechanism 4 includes connecting rod support 41, connects Pole support 42 and con-rod only 43;Wherein, which is securely fitted in the piston rod one positioned at longitudinal hydraulic cylinder 31 On 1 top surface of workbench of side;The 42 vertical fixing assembling of connecting rod pillar is in the center of top of connecting rod support 41;The con-rod only 43 One end is articulated with the piston rod of longitudinal hydraulic cylinder 31, and stage casing is articulated with the top of connecting rod pillar 42, and other end contact connectio is put Set the PC beam supports 6 on workbench 1.
The micro-adjusting mechanism 5 is a pair for being installed on the 1 front side top surface of workbench, and each micro-adjusting mechanism 5 includes fine tuning bearing 51, shaft 52 and fine tuning turntable 53 are finely tuned;Wherein, which is installed in the workbench 1 positioned at 4 side of the link mechanism Top surface on;The fine tuning shaft 52 is horizontally installed to the top of the fine tuning bearing 51 and is connected by screw thread between fine tuning bearing 51 Connect, one end to fine tuning bearing 51 front side stretch out and external part be installed with fine tuning turntable 53, the other end to fine tuning bearing 51 rear side stretches out and external part connects PC beam supports 6.
The clamping principle of the utility model PC beam support clamping device for processing is:
The clamping of PC fine strain of millet bearings is to pass through the centering body 2 set and fine tuning by placing it on the table top of workbench 1 Mechanism 5 carries out centering, then drives link mechanism 4 to realize the clamping of workpiece by the piston rod of hydraulic cylinder 3, is filled to reach Press from both sides the purpose of processing.
The utility model PC beam support processing and loading clamp methods are that workbench 1 is first arranged, are made on workbench 10 in Wordline arranges centering body 2 and micro-adjusting mechanism 5 at center line both ends, then in the 1 longitudinal hydraulic pressure of front and rear sides wall installation of workbench The piston rod of longitudinal hydraulic cylinder 31 is connected by oil cylinder 31 with link mechanism 4, and the PC fine strain of millet bearings that need to be processed are placed in this workbench On 1 table top, start hydraulic system after centering, the piston rod of longitudinal hydraulic cylinder 31 is made to drive 4 workpiece pressing of link mechanism, from And the positioning centering and clamping of workpiece are completed, then start to process.
The utility model PC beam support processing and loading clamp methods, specifically include following steps:
1. being made on workbench 1 to middle cross hairs;
2. determining the installation site of clamped position and centering body 2 and micro-adjusting mechanism 5 according to product design drawing;
3. in the clamped position installation hydraulic cylinder 3 and link mechanism 4 that determine;
4. in the position installation centering body 2 and micro-adjusting mechanism 5 that determine;
5. workpiece is positioned on workbench 1 after centering, start hydraulic system, the clamping of workpiece is carried out by hydraulic cylinder 3;
6. starting the processing that lathe starts workpiece;
7. detecting, detect whether processed workpiece size meets drawing requirement with vernier caliper, height gauge and leveling ruler etc..
The utility model PC beam support clamping device for processing structure design is simple, reasonable, convenient for mounting and clamping and efficient, can carry High PC fine strains of millet bearing machining accuracy and production efficiency.

Claims (5)

1. a kind of PC beam supports clamping device for processing, including workbench;It is characterized in that:The clamping device for processing further includes peace Centering body, hydraulic cylinder, link mechanism on the workbench and micro-adjusting mechanism;
The centering body be symmetrically arranged at left and right sides of the upper end of the workbench middle part and be placed on the workbench PC beam supports connect;
The hydraulic cylinder connect with external hydraulic system and includes the longitudinal direction for being symmetrically arranged in workbench front and rear sides wall Hydraulic cylinder and the transverse hydraulic oil cylinder being installed on the top surface of the workbench;It is described longitudinal direction hydraulic cylinder piston rod with The link mechanism connection;The plunger rod contacts connection of the transverse hydraulic oil cylinder is placed on the PC beam branch on the workbench Seat;
The link mechanism is symmetrically arranged on the front and back top surface of the workbench, and one end connects the work of longitudinal hydraulic cylinder Stopper rod, the other end and the PC beam supports being placed on the workbench connect;
The micro-adjusting mechanism is installed on the workbench and obtains front side top surface and connect with the PC beam supports being placed on the workbench Touch connection.
2. PC beam supports clamping device for processing as described in claim 1, it is characterised in that:The centering body is to be symmetrically installed The a pair at middle part at left and right sides of the workbench upper end;Each centering body includes that centering bearing and centering adjust spiral shell Bar;The centering bearing is fixed in the middle part of the upper end left and right sidewall of the workbench, and upper part is on the table top of the workbench Side is stretched out and external part is horizontally installed with the centering adjusting screw rod.
3. PC beam supports clamping device for processing as described in claim 1, it is characterised in that:The longitudinal direction hydraulic cylinder has four It is a and two one group is symmetrically arranged in position of the workbench front and rear sides close to corner;The transverse hydraulic oil cylinder is installed in On the top surface for stating workbench of longitudinal hydraulic cylinder side described in one group.
4. PC beam supports clamping device for processing as described in claim 1, it is characterised in that:Link mechanism tool there are four and Two one group is symmetrically arranged in before and after the workbench top surface close to the position in corner;Each link mechanism includes connecting rod branch Seat, connecting rod pillar and con-rod only;The connecting rod support is securely fitted in positioned at the piston rod side of longitudinal hydraulic cylinder The workbench top surface on;The vertical fixing assembling of connecting rod pillar is in the center of top of the connecting rod support;The company Bar body one end is articulated with the piston rod of longitudinal hydraulic cylinder, and stage casing is articulated with the top of the connecting rod pillar, the other end Connect the PC beam supports being placed on the workbench.
5. PC beam supports clamping device for processing as described in claim 1, it is characterised in that:The micro-adjusting mechanism is is installed on A pair of top surface on front side of workbench is stated, each micro-adjusting mechanism includes fine tuning bearing, fine tuning shaft and fine tuning turntable;It is described micro- Bearing is adjusted to be installed on the top surface of the workbench of the link mechanism side;The fine tuning shaft is horizontally installed to institute It states the top of fine tuning bearing and is connected through a screw thread between the fine tuning bearing, described fine tuning shaft one end is propped up to the fine tuning The front side of seat is stretched out and external part is installed with fine tuning turntable, and the other end is stretched out to the rear side of the fine tuning bearing and external part It is connected with the PC beam supports being placed on the workbench.
CN201820072862.9U 2018-01-17 2018-01-17 A kind of PC beam supports clamping device for processing Active CN207735975U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820072862.9U CN207735975U (en) 2018-01-17 2018-01-17 A kind of PC beam supports clamping device for processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820072862.9U CN207735975U (en) 2018-01-17 2018-01-17 A kind of PC beam supports clamping device for processing

Publications (1)

Publication Number Publication Date
CN207735975U true CN207735975U (en) 2018-08-17

Family

ID=63123316

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820072862.9U Active CN207735975U (en) 2018-01-17 2018-01-17 A kind of PC beam supports clamping device for processing

Country Status (1)

Country Link
CN (1) CN207735975U (en)

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