CN203752547U - Press machine - Google Patents

Press machine Download PDF

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Publication number
CN203752547U
CN203752547U CN201420033500.0U CN201420033500U CN203752547U CN 203752547 U CN203752547 U CN 203752547U CN 201420033500 U CN201420033500 U CN 201420033500U CN 203752547 U CN203752547 U CN 203752547U
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CN
China
Prior art keywords
saw tooth
rod
gland
slide block
worm gear
Prior art date
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Active
Application number
CN201420033500.0U
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Chinese (zh)
Inventor
李财
孙静燕
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.)
Zhejiang forging Pml Precision Mechanism Ltd
Original Assignee
NINGBO YIDUAN PRECISION MACHINERY 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 NINGBO YIDUAN PRECISION MACHINERY CO Ltd filed Critical NINGBO YIDUAN PRECISION MACHINERY CO Ltd
Priority to CN201420033500.0U priority Critical patent/CN203752547U/en
Application granted granted Critical
Publication of CN203752547U publication Critical patent/CN203752547U/en
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Abstract

The utility model discloses a press machine which comprises a frame, a crankshaft, a connecting rod, a slider and a saw tooth. The crankshaft is coupled into the frame, a crankshaft rotation driving mechanism is arranged in the frame, the connecting rod sleeves the crankshaft, a bearing bush is arranged between the crankshaft and the connecting rod, and the saw tooth is connected with the slider. The press machine is characterized in that a movement switching mechanism for switching circumferential movement into vertical linear movement is arranged between the connecting rod and the saw tooth. The press machine has the advantages that circumferential movement of the connecting rod can be switched into vertical linear movement of the saw tooth when the press machine works as the movement switching mechanism is arranged between the connecting rod and the saw tooth, the slider driven by the saw tooth perpendicularly moves back and forth, eccentric force applied to the slider due to swing of the connecting rod is eliminated, the lower end face of the saw tooth is a plane, guide passage pressure is greatly decreased as compared with a traditional bulb connection mode when eccentric load is generated by stamping, precision and stability of the press machine are improved, and the service life of the press machine is prolonged.

Description

A kind of forcing press
Technical field
The utility model relates to the pressing equipment in mechanical manufacturing field, relates in particular to a kind of forcing press.
Background technology
Forcing press is for the equipment of punch process in mechanical manufacturing field.The forcing press of most, moving up and down of its slide block driven by saw tooth, and saw tooth is fixedly connected with connecting rod, because connecting rod moves in a circle under the driving of crank press, make to saw tooth and move in a circle together thereupon, and being connected between saw tooth and slide block adopts bulb connected mode, cause slide block can produce eccentric force in the process of moving up and down, the pressure of slide block guide passage is increased greatly, affect precision, stability and the service life of forcing press.
Summary of the invention
Technical problem to be solved in the utility model is to provide that a kind of precision is high, the forcing press of good stability, long service life.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of forcing press, comprise frame, bent axle, connecting rod, slide block and saw tooth, described Crankshaft is connected in described frame, in described frame, be provided with bent axle rotating drive mechanism, described connecting rod is socketed on described bent axle, between described bent axle and described connecting rod, be provided with bearing shell, described saw tooth and described slide block are connected, and between described connecting rod and described saw tooth, be provided with the circular motion of connecting rod is converted to upper and lower straight-line movement conversion mechanism.
Described movement conversion mechanism comprises guide pillar, guide pillar axle is subject to and link pin, described guide pillar vertically arranges, described guide pillar axle is enclosed within on described guide pillar and is fixedly connected with described frame, between being subject to, described guide pillar and described guide pillar axle be provided with sliding bearing, described link pin is simultaneously through the lower end of the upper end of described guide pillar and described connecting rod, described link pin is fixedly connected with the upper end of described guide pillar, the lower end of described connecting rod is enclosed within on described link pin, between described connecting rod and described link pin, be provided with sliding bearing, between the lower end of described connecting rod and described guide pillar, be provided with bearing shell, the lower end bolt of the upper end of described saw tooth and described guide pillar.
The lower end of described saw tooth is plane, and the lower surface of described saw tooth is pressed on the overload oil cylinder piston that is positioned at described slide block, and the lower surface of described saw tooth and described oil cylinder piston are plane contact.
The lower end of described saw tooth is stretched in described slide block, on described saw tooth, cover has gland and adjusts gland, described adjustment gland is between described gland and described saw tooth, described gland is fixedly connected with described slide block, the lower end of described saw tooth has been wholely set positioning step, the lower end of described adjustment gland is pressed on described positioning step, described adjustment gland and described gland bolt.
On described slide block, be provided with mould height adjustment mechanism, described mould height adjustment mechanism comprises worm gear case, mode transfer motor, motor sprocket, worm screw sprocket wheel, chain, worm gear and worm screw, described mode transfer motor is fixedly mounted on described slide block, described motor sprocket is coaxially fixedly mounted on the driving shaft of described mode transfer motor, described worm gear case is positioned at described slide block, described gland is pressed on described worm gear case, described worm shaft is connected in described worm gear case, described worm screw sprocket wheel is coaxially fixedly connected with described worm screw, the worm gear case of described worm gear coaxial sleeve on the lower end of described saw tooth and described in being positioned at, between the bottom of described worm gear and described saw tooth, by driving key, be connected.
Compared with prior art, the utility model has the advantages that owing to being provided with movement conversion mechanism between connecting rod and saw tooth, when forcing press is worked, the circular motion of connecting rod can be converted to the rectilinear motion up and down of saw tooth, make slide block make vertical back and forth movement under the driving of saw tooth, eliminated eccentric force slide block being produced because of connecting rod swing, and the lower surface of saw tooth is plane, when punching press produces eccentric load, compare and greatly reduced guide passage pressure with traditional bulb connected mode, the larger precision that improves forcing press, stability and service life.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model;
Fig. 2 is whole cutaway view of the present utility model;
Fig. 3 is the structural representation of mould height adjustment mechanism of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in the figure, a kind of forcing press, comprise frame 1, bent axle 2, connecting rod 3, slide block 4 and saw tooth 5, bent axle 2 is coupling in frame 1, in frame 1, be provided with bent axle rotating drive mechanism 6, connecting rod 3 is socketed on bent axle 2, between bent axle 2 and connecting rod 3, be provided with bearing shell 21, between connecting rod 3 and saw tooth 5, be provided with the circular motion of connecting rod 3 is converted to upper and lower straight-line movement conversion mechanism, movement conversion mechanism comprises guide pillar 7, guide pillar axle is subject to 8 and link pin 9, guide pillar 7 vertically arranges, guide pillar axle is subject to 8 to be enclosed within on guide pillar 7 and with frame 1 and to be fixedly connected with, guide pillar 7 and guide pillar axle are provided with sliding bearing 81 between being subject to 8, link pin 9 is simultaneously through the upper end of guide pillar 7 and the lower end of connecting rod 3, link pin 9 is fixedly connected with the upper end of guide pillar 7, the lower end of connecting rod 3 is enclosed within on link pin 9, between connecting rod 3 and link pin 9, be provided with sliding bearing 81, between the lower end of connecting rod 3 and guide pillar 7, be provided with bearing shell 21, the saw upper end of tooth 5 and the lower end bolt of guide pillar 7, the lower end of saw tooth 5 is stretched in slide block 4, the lower end of saw tooth 5 is plane, the lower surface of saw tooth 5 is pressed on the overload oil cylinder piston 41 that is positioned at slide block 4, lower surface and the oil cylinder piston 41 of saw tooth 5 are plane contact, on saw tooth 5, cover has gland 51 and adjusts gland 52, adjust gland 52 between gland 51 and saw tooth 5, gland 51 is fixedly connected with slide block 4, the lower end of saw tooth 5 has been wholely set positioning step, the lower end of adjusting gland 52 is pressed on positioning step, adjust gland 52 and gland 51 bolts, on slide block 4, be provided with mould height adjustment mechanism, mould height adjustment mechanism comprises worm gear case 42, mode transfer motor 10, motor sprocket 11, worm screw sprocket wheel 12, chain 13, worm gear 14 and worm screw 15, mode transfer motor 10 is fixedly mounted on slide block 4, motor sprocket 11 is coaxially fixedly mounted on the driving shaft of mode transfer motor 10, worm gear case 42 is positioned at slide block 4, gland 51 is pressed on worm gear case 42, worm screw 15 is coupling in worm gear case 42, worm screw sprocket wheel 12 is coaxially fixedly connected with worm screw 15, worm gear 14 coaxial sleeves are on the lower end of saw tooth 5 and be positioned at worm gear case 42, worm gear 14 with saw tooth 5 bottom between by driving key (not shown), be connected.
In above-described embodiment, bent axle rotating drive mechanism 6 adopts conventional crank rotating drive mechanism in forcing press.

Claims (5)

1. a forcing press, comprise frame, bent axle, connecting rod, slide block and saw tooth, described Crankshaft is connected in described frame, in described frame, be provided with bent axle rotating drive mechanism, described connecting rod is socketed on described bent axle, between described bent axle and described connecting rod, be provided with bearing shell, described saw tooth and described slide block are connected, and between the connecting rod described in it is characterized in that and described saw tooth, be provided with the circular motion of connecting rod is converted to upper and lower straight-line movement conversion mechanism.
2. a kind of forcing press as claimed in claim 1, it is characterized in that described movement conversion mechanism comprises guide pillar, guide pillar axle is subject to and link pin, described guide pillar vertically arranges, described guide pillar axle is enclosed within on described guide pillar and is fixedly connected with described frame, between being subject to, described guide pillar and described guide pillar axle be provided with sliding bearing, described link pin is simultaneously through the lower end of the upper end of described guide pillar and described connecting rod, described link pin is fixedly connected with the upper end of described guide pillar, the lower end of described connecting rod is enclosed within on described link pin, between described connecting rod and described link pin, be provided with sliding bearing, between the lower end of described connecting rod and described guide pillar, be provided with bearing shell, the lower end bolt of the upper end of described saw tooth and described guide pillar.
3. a kind of forcing press as claimed in claim 1, the lower end that it is characterized in that described saw tooth is plane, the lower surface of described saw tooth is pressed on the overload oil cylinder piston that is positioned at described slide block, and the lower surface of described saw tooth and described oil cylinder piston are plane contact.
4. a kind of forcing press as claimed in claim 1, the lower end that it is characterized in that described saw tooth is stretched in described slide block, on described saw tooth, cover has gland and adjusts gland, described adjustment gland is between described gland and described saw tooth, described gland is fixedly connected with described slide block, the lower end of described saw tooth has been wholely set positioning step, and the lower end of described adjustment gland is pressed on described positioning step, described adjustment gland and described gland bolt.
5. a kind of forcing press as claimed in claim 4, it is characterized in that being provided with mould height adjustment mechanism on described slide block, described mould height adjustment mechanism comprises worm gear case, mode transfer motor, motor sprocket, worm screw sprocket wheel, chain, worm gear and worm screw, described mode transfer motor is fixedly mounted on described slide block, described motor sprocket is coaxially fixedly mounted on the driving shaft of described mode transfer motor, described worm gear case is positioned at described slide block, described gland is pressed on described worm gear case, described worm shaft is connected in described worm gear case, described worm screw sprocket wheel is coaxially fixedly connected with described worm screw, the worm gear case of described worm gear coaxial sleeve on the lower end of described saw tooth and described in being positioned at, between the bottom of described worm gear and described saw tooth, by driving key, be connected.
CN201420033500.0U 2014-01-20 2014-01-20 Press machine Active CN203752547U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420033500.0U CN203752547U (en) 2014-01-20 2014-01-20 Press machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420033500.0U CN203752547U (en) 2014-01-20 2014-01-20 Press machine

Publications (1)

Publication Number Publication Date
CN203752547U true CN203752547U (en) 2014-08-06

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ID=51247850

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420033500.0U Active CN203752547U (en) 2014-01-20 2014-01-20 Press machine

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CN (1) CN203752547U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104669657A (en) * 2015-02-03 2015-06-03 宁波郎泰机械有限公司 Press machine
CN108302093A (en) * 2018-01-22 2018-07-20 宁波固安力机械科技有限公司 A kind of connecting rod oil pressure locking device of punching machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104669657A (en) * 2015-02-03 2015-06-03 宁波郎泰机械有限公司 Press machine
CN108302093A (en) * 2018-01-22 2018-07-20 宁波固安力机械科技有限公司 A kind of connecting rod oil pressure locking device of punching machine

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20170411

Address after: 315700 Xiangshan County, Zhejiang Province,, Huang Yu Ao village, Dalin

Patentee after: Zhejiang forging Pml Precision Mechanism Ltd

Address before: Beilun District qijiashan Street Li Ai Village 315803 Zhejiang city of Ningbo Province, No. 428

Patentee before: Ningbo Yiduan Precision Machinery Co.,Ltd.