CN204868092U - Compact cantilever combination clamping mechanism that shifts that reverses gear - Google Patents

Compact cantilever combination clamping mechanism that shifts that reverses gear Download PDF

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Publication number
CN204868092U
CN204868092U CN201520577208.XU CN201520577208U CN204868092U CN 204868092 U CN204868092 U CN 204868092U CN 201520577208 U CN201520577208 U CN 201520577208U CN 204868092 U CN204868092 U CN 204868092U
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CN
China
Prior art keywords
clamp system
block
workpiece
clamping mechanism
base plate
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Expired - Fee Related
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CN201520577208.XU
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Chinese (zh)
Inventor
张涛
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CHONGQING SHANQING MACHINERY MANUFACTURING CO LTD
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CHONGQING SHANQING MACHINERY MANUFACTURING CO LTD
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Priority to CN201520577208.XU priority Critical patent/CN204868092U/en
Application granted granted Critical
Publication of CN204868092U publication Critical patent/CN204868092U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a compact cantilever combination clamping mechanism that shifts that reverses gear, including bottom plate, location base, orientating group abutment bracer, a clamping mechanism, sharing hold -down mechanism and the 2nd clamping mechanism, a clamping mechanism includes workpiece setting piece, V -arrangement locating piece, spacing fixed block, elastic top tight machanism, locking fixed block, lever oil hydraulic cylinder and locking screw, the 2nd clamping mechanism and a clamping mechanism structure are identical, and the 2nd clamping mechanism installs for behind the clamping mechanism rotatory 180, sharing hold -down mechanism includes oil pressure corner jar and clamp plate, and the both ends of clamp plate are provided with the semi -circular groove that lacks. Be applied to vertical machining center, can quickly accurate press from both sides tight location with the work piece, by two sets of clamping mechanism of one man operation, reduced anchor clamps quantity and clamping number of times, improved work efficiency, reduced the human cost.

Description

Compact reverse gear gearshift cantilever combination clamp system
Technical field
The utility model relates to a kind of speed changer parts machining fixture, be specifically related to one reverse gear gearshift cantilever combination clamp system.
Background technology
Gearshift cantilever processing of reversing gear needs through multiple working procedure, and be included on numerically controlled lathe, honing machine, upright drill equipment and process, Problems existing is: clamping times is many, the circulation time long, easily cause resetting error and bump injury; Every procedure all needs one man operation, needs several operating personnel to coordinate.
Utility model content
The utility model aim to provide one reverse gear gearshift cantilever combination clamp system, processed by vertical machining centre after clamping completes, with the processing that numerically controlled lathe, honing machine, upright drill equipment in alternative conventional machining process complete, save operation and clamping times, enhance productivity.
For this reason, the technical scheme that the utility model adopts is: a kind of compact reverse gear gearshift cantilever combination clamp system, comprise base plate, positioning pedestal, positioning pedestal back-up block, the first clamp system, share hold-down mechanism and the second clamp system, it is characterized in that: described positioning pedestal is arranged on above base plate by positioning pedestal back-up block, thus between positioning pedestal and base plate, vacate confined space for arranging oil line pipe, described first clamp system, shared hold-down mechanism and the second clamp system are arranged successively from front to back above base plate;
Described first clamp system comprises the trade union college block be arranged on positioning pedestal, V-arrangement locating piece, elasticity jacking mechanism and the block that is locked, and is arranged on base plate upper limit fixed block, hydraulic corner cylinder and lever type hydraulic cylinder; Described trade union college block is installed with two perpendicular to base plate and the spaced apart locating shaft in left and right, two locating shafts insert in installing hole corresponding on workpiece respectively; Described V-arrangement locating piece is positioned at the rear of trade union college block, and V-arrangement opening is just to trade union college block, each inclined-plane of V-arrangement opening is all welded with hard alloy blocks, and two hard alloy blocks are symmetrical set, respectively from the left and right sides at workpiece rear by Work-sheet pressing; The described block that is locked is positioned at the left front of trade union college block, and tie down screw is against after flatly tilting through the block that is locked on the left front wall of workpiece; Described lever type hydraulic cylinder is positioned at the dead ahead of trade union college block, and the actuating station of lever type hydraulic cylinder is against the anterior middle position place of workpiece; Described spacing fixed block and elasticity jacking mechanism are arranged in the right side time interval of trade union college block, and the cantilever end of described workpiece reaches between spacing fixed block and elasticity jacking mechanism, and holds out against gear grips by spacing fixed block and elasticity;
Described second clamp system is identical with the first clamp system structure, and the second clamp system is installed after rotating 180 ° relative to the first clamp system;
Described shared hold-down mechanism comprises hydraulic corner cylinder and pressing plate, the middle part of described pressing plate is arranged on hydraulic corner cylinder, the two ends of pressing plate are provided with the semicircle short slot mated with described locating shaft outer wall, hydraulic corner cylinder is between the first clamp system and the second clamp system, hydraulic corner cylinder drives press plate rotary 90 °, wherein one end of pressing plate is made to be pressed on the upper surface of the right back of the workpiece of the first clamp system, the other end is pressed on the upper surface of the right back of the workpiece of the second clamp system, and semicircle short slot just in time partly wraps in outside each self-corresponding locating shaft simultaneously.
During clamping, workpiece main body is arranged on two locating shafts of trade union college block, and the cantilever end of workpiece is placed between spacing fixed block and elasticity jacking mechanism, carries out just location to trade union college block; The left and right sides at workpiece rear portion compresses respectively by the hard alloy blocks on V-arrangement locating piece, the left front wall of workpiece is pushed against by lock-screw, lever type hydraulic cylinder is against the middle position place of workpiece front portion, press plate rotary is driven to make the termination of pressing plate be pressed on the upper surface of workpiece right back by hydraulic corner cylinder again, Workpiece clamping the most at last.
Be preferably, described elasticity jacking mechanism comprises holder, and the movable push rod, sprue and the spring that are arranged in holder, the head of described movable push rod is through reaching holder and spacing fixed block after holder, spring is positioned at the rear of movable push rod and is limited to holder by sprue; Described spacing fixed block comprises the bolt and nut component of hold-down support and level installation, and the bolt end of described bolt and nut component is between hold-down support and holder; The cantilever of described workpiece by bolt end and movable top bar cramp tight.Length is screwed into, to adapt to the cantilever clamping of different-thickness specification by what adjust the pretightning force of spring and bolt.
The beneficial effects of the utility model: pressing plate adopts semicircle short slot, to increase the contact area with workpiece, improve thrust; Vacateing confined space between positioning pedestal and base plate for arranging oil line pipe, being convenient to line arrangement and maintenance, to ensure that operating table surface is clean and tidy; Rationally distributed, design ingenious, be applied to vertical machining centre, can be located by Workpiece clamping quickly and accurately, workpiece face to be processed just in time upward, the multiple location of machining center to workpiece is facilitated to process, and clamp system can be overlapped by one man operation two, compare conventional machining process, decrease fixture quantity and clamping times, improve operating efficiency, reduce human cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the enlarged drawing of the first clamp system and shared hold-down mechanism.
Fig. 3 is the installation design sketch of workpiece on the first clamp system and shared hold-down mechanism.
Detailed description of the invention
Below by embodiment also by reference to the accompanying drawings, the utility model is described in further detail:
As shown in Figure 1, a kind of compact reverse gear gearshift cantilever combination clamp system, by base plate 1, positioning pedestal 13, positioning pedestal back-up block 14, first clamp system B, share hold-down mechanism C and the second clamp system D form.
Positioning pedestal 13 is arranged on above base plate 1 by positioning pedestal back-up block 14, thus between positioning pedestal 13 and base plate 1, vacates confined space for arranging oil line pipe.First clamp system B, shared hold-down mechanism C and the second clamp system D arrange successively from front to back above base plate 1.
Second clamp system D is identical with the first clamp system B structure, and the second clamp system D carries out installing after rotating 180 ° relative to the first clamp system B.Share hold-down mechanism C between the first clamp system B and the second clamp system D.Below the first clamp system B is described in detail.
As shown in Fig. 2-Fig. 3, the first clamp system B is primarily of the composition such as trade union college block 2, V-arrangement locating piece 3, spacing fixed block 4, elasticity jacking mechanism 5, the block 6 that is locked, lever type hydraulic cylinder 8, tie down screw 9, locating shaft 11, hard alloy blocks 12.Wherein, trade union college block 2, V-arrangement locating piece 3, elasticity jacking mechanism 5 and the block 6 that is locked are arranged on positioning pedestal 13, and spacing fixed block 4, hydraulic corner cylinder 7 and lever type hydraulic cylinder 8 are arranged on base plate 1.
Trade union college block 2 is installed with in two installing holes inserting correspondence on workpiece A perpendicular to base plate 1 left and right spaced apart locating shaft 11, two locating shafts 11 respectively.
V-arrangement locating piece 3 is positioned at the rear of trade union college block 2, and V-arrangement opening is just to trade union college block 2, each inclined-plane of V-arrangement opening is all welded with hard alloy blocks 12, and two hard alloy blocks 12 are symmetrical set, and are compressed by workpiece A respectively from the left and right sides at workpiece A rear.
The block 6 that is locked is positioned at the left front of trade union college block 2, and tie down screw 9 is against on the left front wall of workpiece A after flatly tilting through the block 6 that is locked.The relative afterbody in termination of tie down screw 9 tilts towards right side, arranges lever type hydraulic cylinder 8 with vacating space.
Lever type hydraulic cylinder 8 is positioned at the dead ahead of trade union college block 2, and the actuating station of lever type hydraulic cylinder 8 is against the anterior middle position place of workpiece A.
Spacing fixed block 4 and elasticity jacking mechanism 5 are arranged in the right side time interval of trade union college block 2, and the cantilever end of workpiece A reaches between spacing fixed block 4 and elasticity jacking mechanism 5, and is clamped by spacing fixed block 4 and elasticity jacking mechanism 5.
Preferably, elasticity jacking mechanism 5 is by holder 5a, and movable push rod 5b, sprue 5c and the spring 5d be arranged in holder 5a forms.The head of movable push rod 5b is through reaching holder 5a and spacing fixed block 4 after holder 5a, spring 5d is positioned at the rear of movable push rod 5b and is limited to holder 5a by sprue 5c.The bolt and nut component 4b that spacing fixed block 4 is installed by hold-down support 4a and level forms.The bolt end of bolt and nut component 4b is between hold-down support 4a and holder 5a; The cantilever of workpiece A is clamped by bolt end and movable push rod 5b.
Shown in composition graphs 1-Fig. 3, share hold-down mechanism C and comprise hydraulic corner cylinder 7 and pressing plate 10, the middle part of pressing plate 10 is arranged on hydraulic corner cylinder 7, the two ends of pressing plate 10 are provided with the semicircle short slot 10a mated with locating shaft 11 outer wall, hydraulic corner cylinder 7 is between the first clamp system B and the second clamp system D, hydraulic corner cylinder 7 drives pressing plate 10 to rotate 90 °, wherein one end of pressing plate 10 is made to be pressed on the upper surface of the right back of the workpiece A of the first clamp system B, the other end is pressed on the upper surface of the right back of the workpiece A of the second clamp system D, semicircle short slot 10a just in time partly wraps in outside each self-corresponding locating shaft 11 simultaneously.Second clamp system D installs after rotating 180 ° relative to the first clamp system B, for operator, pressing plate 10 is pressed in the same position of two workpiece, adopt such structural design, handled easily, after the complete unit one of operator's clamping, forward base plate 1 rear to, clamping second workpiece, the putting position of second workpiece and the second clamping mechanism does not change for operator, therefore operates also very smoothly.Meanwhile, tie down screw 9 is pushed against workpiece at left front wall, and the pressing plate 10 that hydraulic corner cylinder 7 drives is pressed in the upper surface of workpiece right back, effectively prevent workpiece and deflects in process.

Claims (1)

1. a compact reverses gear gearshift cantilever combination clamp system, comprise base plate (1), positioning pedestal (13), positioning pedestal back-up block (14), first clamp system (B), share hold-down mechanism (C) and the second clamp system (D), it is characterized in that: described positioning pedestal (13) is arranged on base plate (1) top by positioning pedestal back-up block (14), thus confined space is vacateed for arranging oil line pipe between positioning pedestal (13) and base plate (1), described first clamp system (B), shared hold-down mechanism (C) and the second clamp system (D) are arranged from front to back successively in base plate (1) top,
Described first clamp system (B) comprises the trade union college block (2) be arranged on positioning pedestal (13), V-arrangement locating piece (3), elasticity jacking mechanism (5) and the block that is locked (6), and is arranged on base plate (1) upper limit fixed block (4), hydraulic corner cylinder (7) and lever type hydraulic cylinder (8); Described trade union college block (2) is installed with two perpendicular to base plate (1) and the spaced apart locating shaft in left and right (11), two locating shafts (11) are inserted in the upper corresponding installing hole of workpiece (A) respectively; Described V-arrangement locating piece (3) is positioned at the rear of trade union college block (2), and V-arrangement opening is just to trade union college block (2), each inclined-plane of V-arrangement opening is all welded with hard alloy blocks (12), two hard alloy blocks (12) are symmetrical set, and are compressed by workpiece (A) respectively from the left and right sides at workpiece (A) rear; The described block that is locked (6) is positioned at the left front of trade union college block (2), and tie down screw (9) is against after flatly tilting through the block that is locked (6) on the left front wall of workpiece (A); Described lever type hydraulic cylinder (8) is positioned at the dead ahead of trade union college block (2), and the actuating station of lever type hydraulic cylinder (8) is against workpiece (A) anterior middle position place; Described spacing fixed block (4) and elasticity jacking mechanism (5) are arranged in the right side time interval of trade union college block (2), the cantilever end of described workpiece (A) reaches between spacing fixed block (4) and elasticity jacking mechanism (5), and by spacing fixed block (4) and elasticity jacking mechanism (5) clamping;
Described second clamp system (D) is identical with the first clamp system (B) structure, and the second clamp system (D) is installed after rotating 180 ° relative to the first clamp system (B);
Described shared hold-down mechanism (C) comprises hydraulic corner cylinder (7) and pressing plate (10), the middle part of described pressing plate (10) is arranged on hydraulic corner cylinder (7), the two ends of pressing plate (10) are provided with the semicircle short slot (10a) mated with described locating shaft (11) outer wall, hydraulic corner cylinder (7) is positioned between the first clamp system (B) and the second clamp system (D), hydraulic corner cylinder (7) drives pressing plate (10) to rotate 90 °, wherein one end of pressing plate (10) is made to be pressed on the upper surface of the right back of the workpiece (A) of the first clamp system (B), the other end is pressed on the upper surface of the right back of the workpiece (A) of the second clamp system (D), semicircle short slot (10a) just in time partly wraps in each self-corresponding locating shaft (11) outward simultaneously.
CN201520577208.XU 2015-08-04 2015-08-04 Compact cantilever combination clamping mechanism that shifts that reverses gear Expired - Fee Related CN204868092U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520577208.XU CN204868092U (en) 2015-08-04 2015-08-04 Compact cantilever combination clamping mechanism that shifts that reverses gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520577208.XU CN204868092U (en) 2015-08-04 2015-08-04 Compact cantilever combination clamping mechanism that shifts that reverses gear

Publications (1)

Publication Number Publication Date
CN204868092U true CN204868092U (en) 2015-12-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105058115A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 Compact type gear reversing and shifting cantilever combined clamping mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105058115A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 Compact type gear reversing and shifting cantilever combined clamping mechanism

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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: 20151216

Termination date: 20160804

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