CN202592007U - Clamp for processing piston ball pit of automobile air conditioner - Google Patents

Clamp for processing piston ball pit of automobile air conditioner Download PDF

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Publication number
CN202592007U
CN202592007U CN 201220133538 CN201220133538U CN202592007U CN 202592007 U CN202592007 U CN 202592007U CN 201220133538 CN201220133538 CN 201220133538 CN 201220133538 U CN201220133538 U CN 201220133538U CN 202592007 U CN202592007 U CN 202592007U
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CN
China
Prior art keywords
clamp body
clamping device
anchor clamps
radially
clamp
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220133538
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Chinese (zh)
Inventor
许建焕
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ZHEJIANG KAIDA MACHINE TOOL CO Ltd
Original Assignee
ZHEJIANG KAIDA MACHINE TOOL CO Ltd
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Priority to CN 201220133538 priority Critical patent/CN202592007U/en
Application granted granted Critical
Publication of CN202592007U publication Critical patent/CN202592007U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a clamp for processing a piston ball pit of an automobile air conditioner. The clamp comprises a clamp connecting disc, a clamp body, a radial clamping device and axial positioning devices, wherein the clamp body is connected with the clamp connecting disc; the radial clamping device and the axial positioning devices are respectively arranged on the clamp body; the radial clamping device is arranged on one side of the end surface of the clamp body; the axial positioning devices are arranged on the two sides of the radial clamping device perpendicular to the radial clamping device, and centerlines of the axial positioning devices are superposed with a centerline of the radial clamping device; the radial clamping device comprises a pull plate arranged in the clamp body, a hydraulic oil cylinder connecting rod connected with the pull plate, a pull rod, a lower pressure plate and an upper pressure plate; a workpiece containing cavity is formed between the upper pressure plate and the lower pressure plate; the upper pressure plate, the lower pressure plate and the pull plate are connected through the pull rod passing through the clamp body; and each axial positioning device comprises a positioning screw, an ejector rod and a clamping seat. The clamp has the beneficial effect that the workpiece is accurately positioned, the clamping is reliable, and the workpiece is conveniently and quickly installed.

Description

A kind of anchor clamps that are used for the processing of air conditioning for automobiles piston ball pit
Technical field
The utility model relates to the grip device that machining is used, and especially relates to a kind of anchor clamps that are used for the processing of air conditioning for automobiles piston ball pit.
Background technology
At present, in the process of air conditioning for automobiles piston ball pit, existing processing clamp device workpiece location is accurate inadequately, clamps reliably inadequately, and the workpiece installation is wasted time and energy.
The Chinese patent document (day for announcing: on September 15th, 2010, notification number: CN201579613U) the disclosed anchor clamps that are used for double-head piston ball pit processing, it mainly comprises base plate; Base plate is provided with locating piece and holds out against pole socket; Hold out against and be provided with the top-fastening rod that cooperates the location with locating piece in the pole socket, described top-fastening rod side is provided with telescopic clamping rod, and this clamping rod and first hydraulic jack are in transmission connection; Also be provided with on the said base plate and compress arm seat; Compress arm seat and be provided with clamping arm, clamping arm is installed in through hinge arrangement and compresses on the arm seat, and the one of which end is positioned at the locating piece top and cooperates clamping with locating piece.
Above-mentioned anchor clamps design for the needs that satisfy double-head piston ball pit processing, these anchor clamps in use are the protection inactive states, and cutter moves and accomplishes the processing of ball hole relative to anchor clamps, and these anchor clamps are not suitable for the requirement that rotatablely moves.
The utility model content
The purpose of the utility model is accurate inadequately in order to solve in the prior art workpiece location, clamps reliably inadequately, and workpiece is installed problem such as waste time and energy and provided a kind of suitable workpiece to be used for the anchor clamps that the air conditioning for automobiles piston ball pit is processed with what anchor clamps rotated.
The utility model realizes that the technical scheme that its technical purpose adopted is: a kind of anchor clamps that are used for the processing of air conditioning for automobiles piston ball pit; Comprise anchor clamps terminal pad, clamp body, radially clamping device and axial direction positioning device; Described clamp body is connected with the anchor clamps terminal pad; Described radially clamping device and axial direction positioning device are separately positioned on the clamp body; The end face that described radially clamping device is arranged on clamp body leans on a side, and axial direction positioning device is arranged on the radially both sides of clamping device perpendicular to clamping device radially, the center line of axial direction positioning device and the central lines of clamping device radially; Described radially clamping device comprises and is arranged on drawing dish, coil hydraulic jack connecting rod, pull bar, lower platen and the top board that is connected with drawing in the clamp body; Described lower platen is fixedly connected with the end face of clamp body, and described top board covers on lower platen, is provided with the workpiece cavity volume between top board and the lower platen; Described top board, lower platen and draw dish to be connected by the pull bar that passes clamp body; Described axial direction positioning device comprises dog screw, push rod and clamping seats, and described dog screw is arranged on a radially side of clamping device through a positioning seat, and described push rod is arranged on the radially opposite side of clamping device through clamping seats.In the said structure, workpiece is positioned on the clamp body through radially clamping device and axial direction positioning device, guarantee workpiece axially with radially be not moved; The hydraulic jack connecting rod then links together the whole hydraulic jack with the machine tool chief axis rear end of grip device, and in process, workpiece and this anchor clamps connect as one with the lathe main shaft and rotate at a high speed; Guaranteed the crudy requirement in ball hole effectively, and radially clamping device and the axial direction positioning device branch setting of coming, the one, simple in structure; The 2nd, be convenient to the loading and unloading of workpiece, processing work is put into the workpiece cavity volume after, through pull bar top board is strained; Realization is to the radially clamping of workpiece, and dog screw and push rod axially position workpiece, and such structure operation is simple; To the workpiece location accurately, reliable clamping, workpiece is quick and easy for installation.
As preferably; Also be provided with the pull bar deviation correcting device; Described pull bar deviation correcting device is arranged on that the both sides and the pull bar of push rod is symmetrical, and the pull bar deviation correcting device comprises guide post and stage clip, and described guide post one end is connected with drawing dish; The other end of guide post passes and draws dish and clamp body to be arranged on the end face of clamp body, and described compression spring sleeve is located on the guide post and is pressed on the clamp body through pressing plate and the lock-screw that is arranged on the guide post end.Because radially the pull bar in the clamping device is arranged on a side at clamp body center; Like this when workpiece is clamped; Draw dish deflection can occur, depart from the alignment of shafts, two guide posts are set carry out balance in order to prevent pull bar because of unbalance stress; Stage clip makes guide post be in suitable position all the time, thereby has guaranteed the requirement of workpiece along center line position of rotation precision.
As preferably, described push rod is provided with spacing back-up ring near head portion.Because workpiece is in clamping process, push rod need move radially, in order to prevent in the process of outwards pulling out; Push rod is pulled out too much, causes unnecessary trouble for the installation workpiece, and in the end of thimble spacing back-up ring is set; Length so that the restriction push rod is pulled out has guaranteed the workpiece installation effectiveness.
As preferably; Described clamping seats is arch, and clamping seats is provided with the degree of tightness opening, the degree of tightness opening be provided with pinching screw and tommy bar; Described pinching screw is arranged on opening up and down on the clamping seats of both sides perpendicular to opening direction; Described pinching screw afterbody is a cylindrical structure, and tommy bar is located in the afterbody of pinching screw perpendicular to the axis of pinching screw, and the two ends of tommy bar are free end.The degree of tightness opening that is provided with on the clamping seats is in order to realize to the clamping of push rod and unclamp that in the processing work installation process, push rod is outwards pulled out the installation of being convenient to workpiece; After the workpiece installing and locating, need carry out axial location to it, push rod need move inward; Workpiece is held out against; Hold out against the back and push rod is locked, guarantee that it axially can not be subjected to displacement, guaranteed the crudy in workpiece ball hole through the pinching screw that is arranged on the degree of tightness opening part.
As preferably; Described lower platen and top board are symmetrically arranged long element; The center of lower platen and top board is provided with semi-circular recesses, and the radius of described semi-circular recesses equates that with the exradius of processing work described pull bar is symmetricly set on the both sides of semi-circular recesses.Lower platen and top board be set to symmetrical structure and therein the heart position semi-circular recesses is set; Such structure is the needs of installing for workpiece; Between lower platen and top board, the groove that radius equates with the excircle of workpiece radius is set; After top board and lower platen cover, promptly form the workpiece cavity volume, realize installing and locating workpiece.
As preferably, described clamp body is a round member, and the set inside of clamp body has cavity, and clamp body be located on the anchor clamps terminal pad, and described hydraulic jack connecting rod is arranged on the circle centre position that draws dish and stretches out to the anchor clamps terminal pad outside.Such structure is convenient to realize being connected of anchor clamps and hydraulic jack.
As preferably, the circle centre position of described clamp body also is provided with the adjustment screw, described adjustment screw by the end face of clamp body to the cavity inside setting.The adjustment screw is set on clamp body, when pull bar is outwards unclamped, controls its stroke that unclamps size like this through the adjustment screw.
The beneficial effect of the utility model is: these anchor clamps are accurate to the workpiece location, reliable clamping, and workpiece is quick and easy for installation.
Description of drawings
Fig. 1 is a kind of structural representation that the utility model is used for the anchor clamps of air conditioning for automobiles piston ball pit processing;
Fig. 2 is the front view that is used for the anchor clamps of air conditioning for automobiles piston ball pit processing among the utility model Fig. 1;
Fig. 3 is the A-A cutaway view among Fig. 2;
Fig. 4 is the B-B cutaway view among Fig. 2.
Among the figure: 1, anchor clamps terminal pad, 2, clamp body, 3, draw dish, 4, pull bar, 5, lower platen; 6, dog screw, 7, top board, 8, the adjustment screw, 9, the hydraulic jack connecting rod, 10, spacing back-up ring; 11, push rod, 12, guide post, 13, stage clip, 14, clamping seats, 15, tommy bar; 16, pinching screw, 19, the workpiece cavity volume, 20, positioning seat, 21, pressing plate, 22, lock-screw.
The specific embodiment
Below through specific embodiment and combine accompanying drawing that the technical scheme of the utility model is described further.
In the embodiment shown in fig. 1; A kind of anchor clamps that are used for air conditioning for automobiles piston ball pit processing comprise anchor clamps terminal pad, clamp body, radially clamping device and axial direction positioning device, and clamp body is connected with the anchor clamps terminal pad; Radially clamping device and axial direction positioning device are separately positioned on the clamp body end face; Clamp body 2 is a round member, and the set inside of clamp body 2 has cavity, and clamp body 2 be located on the anchor clamps terminal pad 1; The circle centre position of clamp body 2 also is provided with adjustment screw 8 (see figure 3)s, adjustment screw 8 by the end face of clamp body 2 to the cavity inside setting.Radially the clamping device end face that is arranged on clamp body 2 leans on a side (see figure 2); Axial direction positioning device is arranged on the radially both sides of clamping device perpendicular to clamping device radially; The center line of axial direction positioning device and the central lines of clamping device radially; Radially clamping device comprise be arranged in the clamp body drawing dish 3, with the hydraulic jack connecting rod 9, pull bar 4, lower platen 5 and the top board 7 that draw dish 3 to be connected, hydraulic jack connecting rod 9 is arranged on to draw and coils 3 circle centre position and stretch out to anchor clamps terminal pad 1 outside, lower platen 5 is fixedly connected with the end face of clamp body 2; Lower platen 5 is symmetrically arranged long element with top board 7; The center of lower platen 5 and top board 7 is provided with semi-circular recesses, and the radius of semi-circular recesses equates that with the exradius of processing work pull bar 4 is symmetricly set on the both sides of semi-circular recesses.Top board 7 covers on lower platen 5, is provided with workpiece cavity volume 19 between top board 7 and the lower platen 5, and workpiece cavity volume 19 is made up of top board 7 and semi-circular recesses on the lower platen 5, top board 7, lower platen 5 and draw dish 3 to be connected by the pull bar that passes clamp body 24; Axial direction positioning device comprises dog screw 6, push rod 11 and clamping seats 14; Dog screw 6 is arranged on a radially side of clamping device through a positioning seat 20; Push rod 11 is arranged on the radially opposite side of clamping device through clamping seats 14, and push rod 11 is provided with spacing back-up ring 10 near head portion.
Clamping seats 14 is arch; Clamping seats 14 is provided with the degree of tightness opening; The degree of tightness opening be provided with pinching screw 16 and tommy bar 15, pinching screw 16 is arranged on opening up and down on the clamping seats of both sides perpendicular to opening direction, pinching screw 16 afterbodys are cylindrical structure; Tommy bar 15 is located in the afterbody of pinching screw 16 perpendicular to the axis of pinching screw 16, and the two ends of tommy bar 15 are free end.
Also be provided with pull bar deviation correcting device (see figure 4); It is symmetrical that the pull bar deviation correcting device is arranged on the both sides and the pull bar 4 of push rod 11; The pull bar deviation correcting device comprises guide post 12 and stage clip 13; Guide post 12 1 ends are connected with drawing dish 3, and the other end of guide post 12 passes and draws dish 3 and clamp body 2 to be arranged on the end face of clamp body 2, and stage clip 13 is set on the guide post 12 and is pressed on the clamp body 2 with lock-screw 22 through the pressing plate 21 that is arranged on guide post 12 ends.
During use, whole anchor clamps are installed in the machine tool chief axis front end, and the tapering location is arranged; The workpiece axial location realizes by dog screw 6 and push rod 11, adjusts the axial location of workpiece through the turnover of adjustment dog screw 6, and push rod 11 is realized the location of axial other direction; To with a kind of workpiece, it is just motionless through nut check that dog screw 6 is adjusted the back, moves through the turnover of push rod 11 during workpiece loading and unloading and realize; Radial location is moved by the clamping of lower platen 5 and top board 7 and is realized that lower platen 5 is fixed on the clamp body 2, and top board 7 clamps through two pull bars 4; Pull bar 4 has straight pin to fix with top board 7, makes it connect into an integral body, and pull bar 4 is by drawing dish 3 to drive; Hydraulic jack connecting rod 9 draws dish 3, and hydraulic jack connecting rod 9 is driven by the hydraulic jack that is contained in rear-end of spindle, thereby realizes the clamping action of hydraulic jack motion to top board 7; For solving the situation that pull bar 4 departs from the alignment of shafts, at the another side of clamp body 2 two guide posts 12 are set and come balance, stage clip 13 makes guide post 12 all the time in place; Workpiece is guaranteed along center line position of rotation precision, the stroke that adjustment screw 8 control pull bars 4 outwards unclamp.Push rod 11 is installed in the clamping seats 14, clamps, loosens by pinching screw 16 and tommy bar 15 and realize.During clamping workpiece, draw dish 3 to stretch out, unclamp top board 7 through the oil cylinder main shaft forward end of rear-end of spindle; Adjust the position of dog screw 6 and use nut check, unclamp clamping seats 14, pull out push rod 11; The effect of jump ring 10 is push rod 11 to be pulled out be unlikely to out too much a suitable position or very little, the workpiece of packing into holds out against push rod 11; Locking clamping seats 14 can carry out the processing of ball hole, otherwise unload part.

Claims (7)

1. one kind is used for the anchor clamps that the air conditioning for automobiles piston ball pit is processed; Comprise anchor clamps terminal pad, clamp body, radially clamping device and axial direction positioning device; Described clamp body is connected with the anchor clamps terminal pad; Described radially clamping device and axial direction positioning device are separately positioned on the clamp body end face; It is characterized in that: the end face that described radially clamping device is arranged on clamp body (2) leans on a side; Axial direction positioning device is arranged on the radially both sides of clamping device perpendicular to clamping device radially, the center line of axial direction positioning device and the central lines of clamping device radially, described radially clamping device comprise be arranged in the clamp body draw dish (3), with the hydraulic jack connecting rod (9) that draws dish (3) to be connected, pull bar (4), lower platen (5) and top board (7); Described lower platen (5) is fixedly connected with the end face of clamp body (2); Described top board (7) covers on lower platen (5), is provided with workpiece cavity volume (19) between top board (7) and the lower platen (5), described top board (7), lower platen (5) and draw dish (3) to be connected by the pull bar that passes clamp body (2) (4); Described axial direction positioning device comprises dog screw (6), push rod (11) and clamping seats (14); Described dog screw (6) is arranged on a radially side of clamping device through a positioning seat (20), and described push rod (11) is arranged on the radially opposite side of clamping device through clamping seats (14).
2. a kind of anchor clamps that are used for the processing of air conditioning for automobiles piston ball pit according to claim 1; It is characterized in that: also be provided with the pull bar deviation correcting device; It is symmetrical that described pull bar deviation correcting device is arranged on the both sides and the pull bar (4) of push rod (11); The pull bar deviation correcting device comprises guide post (12) and stage clip (13); Described guide post (12) one ends are connected with drawing dish (3); The other end of guide post (12) passes and draws dish (3) and clamp body (2) to be arranged on the end face of clamp body (2), and described stage clip (13) is set in guide post (12) and upward is pressed on the clamp body (2) through pressing plate (21) and the lock-screw (22) that is arranged on guide post (12) end.
3. a kind of anchor clamps that are used for the processing of air conditioning for automobiles piston ball pit according to claim 2, it is characterized in that: described push rod (11) is provided with spacing back-up ring (10) near head portion.
4. a kind of anchor clamps that are used for the processing of air conditioning for automobiles piston ball pit according to claim 1; It is characterized in that: described clamping seats (14) is arch; Clamping seats (14) is provided with the degree of tightness opening; The degree of tightness opening be provided with pinching screw (16) and tommy bar (15), described pinching screw (16) is arranged on opening up and down on the clamping seats of both sides perpendicular to opening direction, described pinching screw (16) afterbody is a cylindrical structure; Tommy bar (15) is located in the afterbody of pinching screw (16) perpendicular to the axis of pinching screw (16), and the two ends of tommy bar (15) are free end.
5. a kind of anchor clamps that are used for the processing of air conditioning for automobiles piston ball pit according to claim 1; It is characterized in that: described lower platen (5) and top board (7) are symmetrically arranged long element; The center of lower platen (5) and top board (7) is provided with semi-circular recesses; The radius of described semi-circular recesses equates that with the exradius of processing work described pull bar (4) is symmetricly set on the both sides of semi-circular recesses.
6. a kind of anchor clamps that are used for the processing of air conditioning for automobiles piston ball pit according to claim 1; It is characterized in that: described clamp body (2) is a round member; The set inside of clamp body (2) has cavity; Clamp body (2) be located on the anchor clamps terminal pad (1), and described hydraulic jack connecting rod (9) is arranged on the circle centre position that draws dish (3) and stretches out to anchor clamps terminal pad (1) outside.
7. a kind of anchor clamps that are used for the processing of air conditioning for automobiles piston ball pit according to claim 6; It is characterized in that: the circle centre position of described clamp body (2) also is provided with adjustment screw (8), described adjustment screw (8) by the end face of clamp body (2) to the cavity inside setting.
CN 201220133538 2012-04-01 2012-04-01 Clamp for processing piston ball pit of automobile air conditioner Expired - Fee Related CN202592007U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220133538 CN202592007U (en) 2012-04-01 2012-04-01 Clamp for processing piston ball pit of automobile air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220133538 CN202592007U (en) 2012-04-01 2012-04-01 Clamp for processing piston ball pit of automobile air conditioner

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103722244A (en) * 2013-11-14 2014-04-16 苏州昌飞自动化设备厂 Working steps of sound guide tube chamfering machine
CN104227100A (en) * 2014-09-04 2014-12-24 佛山粤海汽车空调机有限公司 Compressor piston processing device
CN104889780A (en) * 2015-06-26 2015-09-09 昆山勇翔精密机械有限公司 Hydraulic fixture for milling ball pits in pistons
CN109623446A (en) * 2019-01-29 2019-04-16 浙江春晖空调压缩机有限公司 A kind of piston ball socket for swash-plate air conditioner compressor clamp for machining
CN114888592A (en) * 2022-05-13 2022-08-12 安徽省恒泰动力科技有限公司 Point positioning device for machining lightweight piston and positioning method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103722244A (en) * 2013-11-14 2014-04-16 苏州昌飞自动化设备厂 Working steps of sound guide tube chamfering machine
CN104227100A (en) * 2014-09-04 2014-12-24 佛山粤海汽车空调机有限公司 Compressor piston processing device
CN104889780A (en) * 2015-06-26 2015-09-09 昆山勇翔精密机械有限公司 Hydraulic fixture for milling ball pits in pistons
CN109623446A (en) * 2019-01-29 2019-04-16 浙江春晖空调压缩机有限公司 A kind of piston ball socket for swash-plate air conditioner compressor clamp for machining
CN114888592A (en) * 2022-05-13 2022-08-12 安徽省恒泰动力科技有限公司 Point positioning device for machining lightweight piston and positioning method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121212

Termination date: 20180401

CF01 Termination of patent right due to non-payment of annual fee