CN202894841U - Automatic reversing clamp - Google Patents

Automatic reversing clamp Download PDF

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Publication number
CN202894841U
CN202894841U CN 201220605715 CN201220605715U CN202894841U CN 202894841 U CN202894841 U CN 202894841U CN 201220605715 CN201220605715 CN 201220605715 CN 201220605715 U CN201220605715 U CN 201220605715U CN 202894841 U CN202894841 U CN 202894841U
Authority
CN
China
Prior art keywords
cylinder
support
scale
fixed
clamping
Prior art date
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 201220605715
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Chinese (zh)
Inventor
徐楠
王贵友
周润锋
姚慧
王钟起
张琪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CNNC Tianjin Technology Development Co Ltd
Original Assignee
CNNC Tianjin Technology Development Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CNNC Tianjin Technology Development Co Ltd filed Critical CNNC Tianjin Technology Development Co Ltd
Priority to CN 201220605715 priority Critical patent/CN202894841U/en
Application granted granted Critical
Publication of CN202894841U publication Critical patent/CN202894841U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an automatic reversing clamp. The automatic reversing clamp comprises a support. Fixing seats are respectively arranged on the bottom of two ends of the support. V-shaped iron is fixed at two ends of the support. A plurality of clamping devices and a plurality of air cylinder pressing devices are respectively arranged on the portions, in the middle of the fixing seats at two ends, of the support, and the bottoms of the air cylinder pressing devices are arranged on a base. A driven device and a left bolt air cylinder are arranged at the left end of the support, a rotating indexing control device, a right bolt air cylinder and a locating air cylinder are arranged at the right end of the support, and the support is respectively connected with a left index plate and a right index plate in the driven device. The automatic reversing clamp is simple in structure, processing of three planes can be finished by one-time clamping, and mutual location degree among processing content of the three planes can be guaranteed. The automatic reversing clamp is convenient to operate, improves processing efficiency, and lowers labor intensity.

Description

A kind of automatic overturning clamping apparatus
Technical field
The utility model belongs to a kind of automatic overturning clamping apparatus, is specifically related to the automatic clamping device that a kind of clamped one time is processed at three faces of profiled, elongated variable-section tubular simultaneously.
Background technology
Normal occur the profiled, elongated cross section a plurality of faces of pipe fitting are processed in some industrial production, the relative-position error of each machined surface requires high, if adopt conventional processing mode, content after utilizing the special fixture centering to clamp on face of processing, then workpiece is unloaded utilize another set of frock clamp with the workpiece rotating certain angle after centering clamp and to process, all needing to utilize respectively different anchor clamps to carry out again the clamping location during face of every processing could process, but because the low repeated clamping of blank shape dimensional accuracy is difficult to guarantee the mutual alignment degree of each machined surface, and because part shape is longer, weight is large, and labour intensity is large, production efficiency reduces greatly.
Summary of the invention
The utility model is the shortcoming that exists in order to overcome prior art, and its objective is provides a kind of three face automatic overturning clamping apparatus of profiled, elongated variable-section tubular that are applicable to.
The technical solution of the utility model is: a kind of automatic overturning clamping apparatus, comprise support, bottom at the support two ends is respectively arranged with holder, v block is fixed on the two ends of support, support in the middle of the holder at described two ends is respectively arranged with a plurality of clamping devices and a plurality of air-cylinder compressing device, and the bottom of air-cylinder compressing device is installed on the base.Left end at support is provided with slave unit and left latch cylinder, right-hand member at support is provided with rotary index control device, right pin cylinder and positioning cylinder, and support parts scale on the left side and is connected scale on the right side and is connected with slave unit is connected with the rotary index control device respectively.
Described slave unit comprises that the I axle that parts on the left side on the scale is connected with the bearing interference, parting scale on the left side is fixedly connected with and utilizes bearing cap and bearing gasket that bearing and holder are fixed with support, latch is fixed on the piston of left latch cylinder to insert by cylinder control and parts on the left side in the pin-and-hole of scale, crosses quick-wearing and also is provided with guide in order to prevent from parting on the left side pin-and-hole on the scale.
Described clamping device comprises that pressing plate is fixed on the support, side location jackscrew is connected on the support, the wedge piece is connected with screw rod by keyway, screw thread transmission on screw rod utilization and the cover plate, the height of adjusting push rod by the wedge piece comes top tight workpiece, utilize wearing bush to prevent the push rod rapid wear, use the jackscrew workpiece pressing.
Described air-cylinder compressing device comprises that clamping cylinder is fixed on the air cylinder support, and air cylinder support is fixed on the base, utilizes pole to be connected with air cylinder pressure plate, and base is fixed on the platen by connecting key.
Described rotary index control device comprises that the transposition cylinder is fixed on the tooth bar seat by connecting plate and cover, gear is connected with II axle on parting scale on the right side by connecting key, parting scale on the right side is fixedly connected with support, the II axle that parts on the right side on the scale is connected with holder by rolling bearing, with bearing cap and bearing gasket rolling bearing is fixed.Tooth bar is connected with the piston thread of transposition cylinder and by gear drive; alignment pin is connected with the piston thread of positioning cylinder; right pin cylinder control right pin pass pin-and-hole on the tooth bar seat insert index dial three pin-and-holes one of them; connecting plate and adjustment screw are fixed on the gap of adjusting on the tooth bar seat between the wheel and rack, and guard shield is fixed on the whole gear of protection on the holder.
The utility model is simple in structure, and clamped one time can be finished the processing of three dimensions, and the mutual alignment degree between the processing content of three dimensions is guaranteed, and is easy to operate, improved working (machining) efficiency, reduced labour intensity.
Description of drawings
Fig. 1 is the front view of the utility model automatic overturning clamping apparatus;
Fig. 2 is the top view of the utility model automatic overturning clamping apparatus;
Fig. 3 is the enlarged drawing of slave unit of the present utility model;
Fig. 4 be among Fig. 1 clamping device along the cutaway view of A-A line;
Fig. 5 be among Fig. 1 air-cylinder compressing device along the cutaway view of B-B line;
Fig. 6 be among Fig. 1 the rotary index control device along the cutaway view of C-C line;
Fig. 7 is along the cutaway view of D-D line among Fig. 6.
Wherein:
1 holder, 2 bases, 3 supports
4 v blocks, 5 slave units, 6 clamping devices
7 air-cylinder compressing devices, 8 rotary index control device, 9 left latch cylinders
10 right pin cylinders, 11 positioning cylinders 12 part scale on the left side
13 bearings, 14 I axles, 15 left latches
16 pressing plates, 17 sides location jackscrew 18 wedge pieces
19 push rods, 20 jackscrews, 21 cover plates
22 screw rods, 23 air cylinder pressure plates, 24 poles
25 clamping cylinders, 26 air cylinder supports, 27 transposition cylinders
28 tooth bar seats, 29 II axles, 30 gears
31 part scale 32 tooth bars 33 alignment pins on the right side
34 connecting plates 35 are adjusted screw 36 pin-and-holes
37 guard shields, 38 right pins, 40 workpiece.
The specific embodiment
Below, carry out bright in detail to a kind of automatic overturning clamping apparatus of the present utility model in conjunction with the accompanying drawings and embodiments:
As shown in Figure 1, 2, a kind of automatic overturning clamping apparatus, comprise support 3, bottom at support 3 two ends is respectively arranged with holder 1, v block 4 is fixed on the two ends of support 3, support 3 in the middle of the holder 1 at two ends is respectively arranged with a plurality of clamping devices 6 and a plurality of air-cylinder compressing device 7, and the utility model arranges seven clamping devices 6 and three air-cylinder compressing devices 7.The bottom of air-cylinder compressing device 7 is installed on the base 2.Left end at support 3 is provided with slave unit 5 and left latch cylinder 9, is provided with rotary index control device 8, right pin cylinder 10 and positioning cylinder 11 at the right-hand member of support 3.
Support 3 respectively with slave unit 5 in part scale 12 on the left side and be connected scale 31 on the right side and be connected.
Wherein, the control valve of the control valve of the control valve of the control valve of clamping cylinder 25, transposition cylinder 27, positioning cylinder 11 and left and right sides latch cylinder 9,10 is separately fixed at the upset of the whole anchor clamps of control on the platen.
As shown in Figure 3, slave unit 5 comprises that the I axle 14 that parts on the left side on the scale 12 is connected with bearing 13 interference, parting scale 12 on the left side is fixedly connected with and utilizes bearing cap and bearing gasket that bearing 13 and holder 1 are fixed with support 3, left latch 15 is fixed on the piston of left latch cylinder 9 to insert by cylinder control and parts on the left side in the pin-and-hole 36 of scale 12, for the pin-and-hole 36 mistake quick-wearings that prevent from parting on the left side on the scale 12 also are provided with guide, be convenient for changing.
As shown in Figure 4, clamping device 6 comprises that pressing plate 16 is fixed on the support 3, side location jackscrew 17 is connected on the support 3, wedge piece 18 is connected with screw rod 22 by keyway, screw thread transmission on screw rod 22 utilizations and the cover plate 21, the height of adjusting push rod 19 by wedge piece 18 comes top tight workpiece, utilizes wearing bush to prevent push rod 19 rapid wears, with jackscrew 20 workpiece pressings 40.
As shown in Figure 5, air-cylinder compressing device 7 comprises that clamping cylinder 25 is fixed on the air cylinder support 26, and air cylinder support 26 is fixed on the base 2, utilizes pole 24 to be connected with air cylinder pressure plate 23, and base 2 is fixed on the platen by connecting key 39.
Shown in Fig. 6,7, rotary index control device 8 comprises that transposition cylinder 27 is fixed on the tooth bar seat 28 by connecting plate and cover, and gear 30 is connected with II axle 29 on parting scale 31 on the right side by connecting key, parts scale 31 on the right side and is fixedly connected with support 3.
The II axle 29 that parts on the right side on the scale 31 is connected with holder 1 by rolling bearing 13, and is with bearing cap and bearing gasket that rolling bearing 13 is fixing.Tooth bar 32 is connected, also passes through gear 30 transmissions with the piston thread of transposition cylinder 27, alignment pin 33 is connected with the piston thread of positioning cylinder 11, with right pin cylinder 10 control right pins 38 see through pin-and-hole on the tooth bar seat 28 insert part scale 31 on the right side three pin-and-holes one of them.Connecting plate 34 and adjustment screw 35 are fixed on the gap of adjusting on the tooth bar seat 28 between gear 30 and the tooth bar 32.
Guard shield 37 is fixed on the whole gear 30 of protection on the holder 1.
The course of work of the present utility model:
At first adjusting the latch cylinder control valve pulls pin left and right sides latch cylinder 9,10 drive left and right sides latches 15 and 38, adjusting the clamping cylinder control valve makes clamping cylinder 25 regain and air cylinder pressure plate 23 is opened, transposition cylinder 27 band carry-over bars 32 are regained fully, and positioning cylinder 11 drives alignment pin 33 and stretches out fully.Then transposition cylinder 27 is stretched out the position that just in time is positioned at alignment pin 33 with carry-over bar 32, and 32 while of tooth bar driven gear 30 has rotated certain angle, cooperation gear 30 this moment by gear 30 and tooth bar 32 parts scale 31 and support 3 on the right side by the connecting key drive, simultaneously drive parts scale 12 on the left side and rotates the position that just in time is parked in Fig. 1 (0 degree) by bearing 13, and the left and right sides latch cylinder 9,10 at anchor clamps two ends drives the pin-and-holes of left and right latch 15,38 reeve left and right sides index dials 12,31 and locates.But just clamping parts at this moment, take the cylindrical at part two ends as origin reference location on the v block 4 at two ends, and the wedge piece 18 that is threaded connection of the screw rod 22 that utilizes the anchor clamps lower end drives push rods 19 and holds out against the part bottom surface and adjust the upper surface of part and the depth of parallelism of bed surface, utilizes the gap of side location jackscrew 17 adjustment parts and support 3 both sides and holds out against.Manually tighten screw, jackscrew 20 clamping platens 16, drive by control clamping cylinder control valve control clamping cylinder 25 again and just can carry out positive processing after pole 24 holds out against air cylinder pressure plate 23 supports 3.Position as shown in Figure 4.
After the front machines, adjust the latch cylinder control valve the left and right latch cylinder 9,10 at anchor clamps two ends is extracted left and right sides latch 15 and 38, unclamp air cylinder pressure plate 23 by adjusting clamping cylinder control valve control clamping cylinder 25, return by adjusting positioning cylinder control valve control positioning cylinder 11 drive alignment pins 33, then transposition cylinder 27 stretches out fully, and associating tooth bar 32 driven gears 30 half-twists, gear 30 drives by axle 29 again and parts scale 31 and support 3 on the right side and drive simultaneously index dial 12 and just in time turn clockwise 90 ° by rolling bearing 13.
The left and right sides latch 15,38 of the left and right sides latch cylinder 9,10 at control anchor clamps two ends enters left and right index dial 12,31 pin-and-hole, adjust clamping cylinder 25 and drive the whole fixture mount 3 of air cylinder pressure plate 23 compressions, whole part has just turned clockwise 90 °, carries out the processing of a side.And can adjust by adjusting screw 35 fit clearance of gear 30 and tooth bar 32, reduce the error of the anchor clamps anglec of rotation.
Then, after processing 90 ° of sides, the left and right sides latch cylinder 9,10 at anchor clamps two ends is extracted left and right sides latch 15,38, clamping cylinder 25 unclamps air cylinder pressure plate 23, transposition cylinder 27 is regained fully, tooth bar 32 driven gears 30 and whole clip base are rotated counterclockwise 180 ° in the other direction, and then the left and right sides latch cylinder 9,10 at anchor clamps two ends control left and right sides latches 15,38 enter left and right sides index dial 12,31 pin-and-hole, and clamping cylinder 25 drives air cylinder pressure plates 23 and compresses whole fixture mount 3.Whole like this part just can be rotated counterclockwise 180 ° in the other direction can carry out the processing of another side.
Again, finish above-mentioned steps after, the left and right sides latch cylinder 9,10 at anchor clamps two ends is extracted left and right sides latch 15,38, clamping cylinder 25 unclamps air cylinder pressure plate 23, positioning cylinder 11 drives alignment pins 33 and stretches out fully.Then transposition cylinder 27 is stretched out the position that just in time is positioned at alignment pin with carry-over bar 32, and simultaneously also driven gear 30 rotations of tooth bar 32, whole anchor clamps have rotated to again the position of Fig. 1 (0 degree), left and right sides latch cylinder 9,10 latches at two ends, manually unclamp all pressing plates 16 and just can unload workpiece this moment, so just finished rotation and the processing of three end faces of part.
The utility model is simple in structure, and clamped one time can be finished the processing of three dimensions, and the mutual alignment degree between the processing content of three dimensions is guaranteed, and is easy to operate, improved working (machining) efficiency, reduced labour intensity.

Claims (5)

1. automatic overturning clamping apparatus, comprise support (3), bottom at support (3) two ends is respectively arranged with holder (1), v block (4) is fixed on the two ends of support (3), it is characterized in that: the support (3) in the middle of the holder (1) at described two ends is respectively arranged with a plurality of clamping devices (6) and a plurality of air-cylinder compressing device (7), the bottom of air-cylinder compressing device (7) is installed on the base (2), left end at support (3) is provided with slave unit (5) and left latch cylinder (9), right-hand member at support (3) is provided with rotary index control device (8), right pin cylinder (10) and positioning cylinder (11), support (3) are connected 8 with slave unit (5) with the rotary index control device respectively) in part scale (12) on the left side and be connected scale (31) on the right side and be connected.
2. a kind of automatic overturning clamping apparatus according to claim 1, it is characterized in that: described slave unit (5) comprises that the I axle (14) that parts on the left side on the scale (12) is connected with bearing (13) interference, part scale (12) and support (3) on the left side and be fixedly connected with and utilize bearing cap and bearing gasket that bearing (13) and holder (1) is fixing, latch (15) is fixed on the piston of left latch cylinder (9) to insert by cylinder control and parts on the left side in the pin-and-hole (36) of scale (12).
3. a kind of automatic overturning clamping apparatus according to claim 1, it is characterized in that: described clamping device (6) comprises that pressing plate (16) is fixed on the support (3), side location jackscrew (17) is connected on the support (3), and wedge piece (18) is connected with screw rod (22) by keyway.
4. a kind of automatic overturning clamping apparatus according to claim 1, it is characterized in that: described air-cylinder compressing device (7) comprises that clamping cylinder (25) is fixed on the air cylinder support (26), air cylinder support (26) is fixed on the base (2), pole (24) is connected with air cylinder pressure plate (23), and base (2) is fixed on the platen by connecting key (39).
5. a kind of automatic overturning clamping apparatus according to claim 1, it is characterized in that: described rotary index control device (8) comprises that transposition cylinder (27) is fixed on the tooth bar seat (28) by connecting plate and cover, gear (30) is connected with II axle (29) on parting scale (31) on the right side by connecting key, parting scale (31) on the right side is fixedly connected with support (3), the II axle (29) that parts on the right side on the scale (31) is connected with holder (1) by bearing (13), with bearing cap and bearing gasket that bearing (13) is fixing, tooth bar (32) is connected with the piston thread of transposition cylinder (27), and by gear (30) transmission, alignment pin (33) is connected with the piston thread of positioning cylinder (11), the right pin (38) of right pin cylinder (10) pass pin-and-hole on the tooth bar seat (28) insert part scale (31) on the right side three pin-and-holes one of them, connecting plate (34) with adjust screw (35) and be fixed on the tooth bar seat (28).
CN 201220605715 2012-11-16 2012-11-16 Automatic reversing clamp Expired - Fee Related CN202894841U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220605715 CN202894841U (en) 2012-11-16 2012-11-16 Automatic reversing clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220605715 CN202894841U (en) 2012-11-16 2012-11-16 Automatic reversing clamp

Publications (1)

Publication Number Publication Date
CN202894841U true CN202894841U (en) 2013-04-24

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ID=48115557

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220605715 Expired - Fee Related CN202894841U (en) 2012-11-16 2012-11-16 Automatic reversing clamp

Country Status (1)

Country Link
CN (1) CN202894841U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102962703A (en) * 2012-11-16 2013-03-13 中核(天津)科技发展有限公司 Automatic turning clamp
CN103331629A (en) * 2013-06-17 2013-10-02 东风精密铸造有限公司 Machining turnover fixture
CN104070388A (en) * 2014-06-27 2014-10-01 天津铁路信号有限责任公司 Device for processing different holes in different faces of work piece
CN104972351A (en) * 2015-06-30 2015-10-14 宁夏共享机床辅机有限公司 Device for dumping chip liquid after workpiece clamping

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102962703A (en) * 2012-11-16 2013-03-13 中核(天津)科技发展有限公司 Automatic turning clamp
CN103331629A (en) * 2013-06-17 2013-10-02 东风精密铸造有限公司 Machining turnover fixture
CN104070388A (en) * 2014-06-27 2014-10-01 天津铁路信号有限责任公司 Device for processing different holes in different faces of work piece
CN104070388B (en) * 2014-06-27 2016-08-24 天津铁路信号有限责任公司 A kind of processing is positioned at the device in multiple upper different holes of workpiece
CN104972351A (en) * 2015-06-30 2015-10-14 宁夏共享机床辅机有限公司 Device for dumping chip liquid after workpiece clamping
CN104972351B (en) * 2015-06-30 2017-08-29 宁夏共享机床辅机有限公司 The device of cuttings liquid is toppled over after a kind of piece-holder

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

Granted publication date: 20130424

Termination date: 20151116