CN202146960U - Steel bar shearing machine - Google Patents
Steel bar shearing machine Download PDFInfo
- Publication number
- CN202146960U CN202146960U CN201120205136U CN201120205136U CN202146960U CN 202146960 U CN202146960 U CN 202146960U CN 201120205136 U CN201120205136 U CN 201120205136U CN 201120205136 U CN201120205136 U CN 201120205136U CN 202146960 U CN202146960 U CN 202146960U
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- hydraulic cylinder
- connecting rod
- valve
- knife rest
- underframe
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Abstract
The utility model relates to a shearing machine, in particular to a steel bar shearing machine, which comprises an underframe (8) and a protective hood (9). A base tool rest (1), a hydraulic cylinder (2), a distribution valve (5), a gear pump (7), an oil tank (3), a connecting rod control system (4) and a motor (6) which are arranged in the protective hood (9) are sequentially arranged on the underframe (8), the base tool rest (1) is connected with the hydraulic cylinder (2), the bottom end of the hydraulic cylinder (2) is hinged with the underframe (8), the connecting rod control system (4) is connected with the distribution valve (5), the distribution valve (5) is communicated with the oil tank (3) via the gear pump (7) and connected with the hydraulic cylinder (2), and the motor (6) is fixedly connected to the top end of the oil tank (3) and connected with the gear pump (7) by a coupler (11). A hydraulic system replaces a mechanical driving mechanism of the prior art and can control shearing action of a main oil cylinder efficiently and stably.
Description
Technical field
The utility model relates to a kind of cutter, relates in particular to a kind of cutter of reinforcing bar.
Background technology
The bar cropper product at home and abroad market demand is big.The producer of domestic production like product is numerous, and is forming seriation and scale gradually.Be accessories such as supporting several criteria parts of cutting machine such as blade, gear, connecting rod simultaneously, progressively moving towards professional production, some professional enterprises progressively rise.Bar cropper, existing domestic and international producer is numerous, and most of structure is the gear type transmission; This type of cutting machine complex structure, high, the gear mechanism requirement of strength height of cost.
The bar cutting production line need dispose bar cutter at present.The prior art bar cutter is provided with the mechanical driving mechanism that blade is moved up and down; The structure of this driving mechanism is: eccentric bushing and connecting rod that the driving blade moves up and down are arranged on power transmission shaft one side; The flywheel of clutch and empty suit fixedly is housed on this power transmission shaft opposite side, and this flywheel is connected with motor reducer through driving-chain.Generally; The logical flywheel of motor reducer band dallies continuously, and when reinforcing bar need be sheared, clutch was through the flywheel of friction plate contact idle running; Driving drive again rotates; Power transmission shaft rotates and drives eccentric bushing and connecting rod rotation, and the blade that is fixed on eccentric bushing and the connecting rod is made the next shear action that circulates thereupon, accomplishes the cutting to length of reinforcing bar.
There is following shortcoming in the moving blade driving mechanism on the above-mentioned prior art bar cutter: the long-term running continuously of motor loss no-load power; The friction clutch friction plate is easy to wear, and it is just improper to change; Clutch is prone to skid and vexed car, influences shear efficiency.
The utility model content
The technique effect of the utility model can overcome above-mentioned defective, and a kind of bar cutter is provided, and it can be realized efficiently, stablizes, reliable shear reinforcement.
For realizing above-mentioned purpose; The utility model adopts following technical scheme: it comprises underframe, guard shield, is provided with the base knife rest, hydraulic cylinder, distributing valve, gear pump, fuel tank, connecting rod control system, the motor that place in the guard shield on the underframe successively, and the base knife rest is connected with hydraulic cylinder; The bottom and the underframe of hydraulic cylinder are hinged; Connecting rod control system is connected with distributing valve, and distributing valve is communicated with fuel tank through gear pump, and distributing valve is connected with hydraulic cylinder; The top of fuel tank is fixedly connected motor, and motor is connected with gear pump through shaft coupling.
The bar cropper of the utility model is a power with the hydraulic-driven, gives the base knife rest through the flexible of hydraulic cylinder with transmission of power, and handle of a knife is done reciprocal rotation around fixing bearing pin in the certain angle scope then, realizes that promptly reinforcing bar cuts off function; Machine is provided with continuous operation and one action control stick, can realize once cutting off and the function of cutting off continuously through manual control, has realized semi-automatic bar cropper.The fuel tank part: antiwear hydraulic oil is housed in the fuel tank, and the motor that fuel tank is connected with top, gear pump constitute the Hydraulic Station of machine, are the power source of entire machine.Guard shield: transmission, control system protection are got up, prevent that dust, foreign material etc. from getting into the work of EVAC, protects operating personnel's safety simultaneously.
The base knife rest comprises knife rest, holder, extension spring, connecting rod, cutting blade, fixed blade, rotating shaft, base; One end of knife rest is fixedly connected with hydraulic cylinder, and the other end is provided with cutting blade, is provided with fixed blade relatively with cutting blade; Cutting blade and fixed blade staggered floor are provided with; Fixed blade is arranged on the base, and knife rest is connected with holder through rotating shaft, and holder is fixedly installed on the underframe; Knife rest is connected with underframe through extension spring.Blade adopts square structure, is forged by steel alloy to form, and through strict heat treatment, case hardness reaches 55HRC.The square blade structure can be exchanged by 8 seamed edges after the wearing and tearing, makes full use of blade, saves resource.Base knife rest part: the base support part of entire machine also is a working portion of cutting off reinforcing bar simultaneously.Cutting blade and fixed blade are used, and reach the purpose of shear reinforcement.Single-action hydraulic cylinder is the executive component in the hydraulic system, hydraulic coupling is directly passed to knife rest realizes cutting off reinforcing bar.Its operation principle is to utilize lever principle, by Hydraulic Power Transmission System, drives cutter and does reciprocating around a fixed pivot.The whole control system is pure frame for movement, to the lifting and descend of hydraulic valve stem, realizes the reciprocating action of oil cylinder through control link mechanism, and this mechanism reliability is high, and design is dexterous, and action precisely.
Distributing valve comprises selector valve body, is provided with valve stem passage in the selector valve body, and valve rod is set in the valve stem passage, and an end of valve rod places the outside of selector valve body and is connected with connecting rod control system, and the other end is provided with piston; The two ends of valve stem passage are respectively equipped with oil inlet passage, oil discharge passage, and oil inlet passage is communicated with the oil-out of gear pump, and oil discharge passage is communicated with through oil inlet hose with hydraulic cylinder; The bottom of valve stem passage is provided with drainback passage, and drainback passage is communicated with fuel tank.The distributing valve structure of particular design, system is connected with connecting rod control,, position-limit mechanism is packed into stopping and opens realization continuous operation and an action job through dead bolt through the slit design in the middle of the distributing valve.
The distributing valve part: distributing valve is according to the operation of control system, to the control of hydraulic cylinder oil-feed; Comprise voltage-regulating system, oil return system etc. in the distributing valve.The utility model is equipped with pressure regulator valve in order to guarantee hydraulic system automatic reverse rapidly in casing, the use of pressure regulator valve can also realize the gearshift of operating rate, the functions such as control of bar cutting.
Connecting rod control system comprises supporting seat, link assembly, rocking arm, and link assembly is arranged on the supporting seat, and rocking arm is connected with supporting seat, link assembly respectively, and the side of supporting seat is provided with spring supporting bar, and spring supporting bar connects spring.The start-up control that connecting rod control system starts working to hydraulic cylinder; Control link can be realized to the hydraulic cylinder oil-feed and to the process of tank drainback the control system.
Link assembly comprises connector, the connector fixed connecting sleeve, and the top of sleeve pipe is provided with connecting rod, contiguous block, balancing weight successively, and the side of sleeve pipe is provided with support, and support is provided with limited block I, limited block II.
The end of connector is provided with groove, and groove is connected with valve rod.
The bar cropper noise is low, and is simple in structure, and easy care is designed with pressure protective device in the reliable operation distributing valve mechanism; When hypertonia, can automatic overflow, thus protection oil cylinder and other mechanism avoid destroying multi-stage sealed mechanism; Nearly 8 places sealing mechanism design between gear pump and the distributing valve, the sealing of assurance hydraulic oil, the valve rod part that the 15CrMo alloy is made is through strict heat treatment and grinding; Guaranteed that spool cooperates with the accurate of valve piece, made it enough wear-resisting, the long-life design.
This device utilizes hydraulic system to substitute the prior art mechanical driving mechanism, and hydraulic system can efficient stable control master cylinder shear action.This apparatus structure is simple, and stable working is saved energy consumption, and production efficiency is high.
Description of drawings
Fig. 1 is the appearance integral structural representation of the utility model;
Fig. 2 removes structural representation inner behind the guard shield for device;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the base cutter frame structure sketch map of the utility model;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the distributing valve internal structure sketch map of the utility model;
Fig. 7 is the connecting rod control system architecture sketch map of the utility model;
Fig. 8 is the link assembly structural representation of the utility model.
Among the figure: 1. base knife rest; 2. hydraulic cylinder; 3. fuel tank; 4. connecting rod is controlled system; 5. distributing valve; 6. motor; 7. gear pump; 8. underframe; 9. guard shield; 10. oil inlet hose; 11. shaft coupling;
101. base; 102. knife rest; 103. extension spring; 104. connecting rod; 105. cutting blade; 106. fixed blade; 107. rotating shaft; 108. holder;
401. supporting seat; 402. rocking arm; 403. link assembly; 404. spring supporting bar;
4031. connector; 4032. groove; 4033. connecting rod; 4034. contiguous block; 4035. balancing weight; 4036. joint sleeve; 4037. support; 4038. limited block I; 4039. limited block II;
501. selector valve body; 502. valve stem passage; 503. valve rod; 504. piston; 505. oil inlet passage; 506. oil discharge passage; 507. drainback passage.
The specific embodiment
The bar cropper of the utility model comprises underframe 8, guard shield 9; Be provided with the base knife rest 1, hydraulic cylinder 2, distributing valve 5, gear pump 7, fuel tank 3, connecting rod control system 4, the motor 6 that place in the guard shield 9 on the underframe 8 successively; Base knife rest 1 is connected with hydraulic cylinder 2, and the bottom of hydraulic cylinder 2 and underframe 8 are hinged, and connecting rod control system 4 is connected with distributing valve 5; Distributing valve 5 is communicated with fuel tank 3 through gear pump 7; Distributing valve 5 is connected with hydraulic cylinder 2, and the top of fuel tank 3 is fixedly connected motor 6, and motor 6 is connected with gear pump 7 through shaft coupling 11.
Base knife rest 1 comprises knife rest 102, holder 108, extension spring 103, connecting rod 104, cutting blade 105, fixed blade 106, rotating shaft 107, base 101; One end of knife rest 102 is fixedly connected with hydraulic cylinder 2, and the other end is provided with cutting blade 105, is provided with fixed blade 106 relatively with cutting blade 105; Cutting blade 105 and fixed blade 106 staggered floor settings; Fixed blade 106 is arranged on the base 101, and knife rest 102 is connected with holder 108 through rotating shaft 107, and holder 108 is fixedly installed on the underframe 8; Knife rest 102 is connected with underframe 8 through extension spring 103.
Distributing valve 5 comprises selector valve body 501, is provided with valve stem passage 502 in the selector valve body 501, and valve rod 503 is set in the valve stem passage 502, and an end of valve rod 503 places the outside of selector valve body 501 and is connected with connecting rod control system 4, and the other end is provided with piston 504; The two ends of valve stem passage 502 are respectively equipped with oil inlet passage 505, oil discharge passage 506, and oil inlet passage 505 is communicated with the oil-out of gear pump 7, and oil discharge passage 506 is communicated with through oil inlet hose 10 with hydraulic cylinder 2; The bottom of valve stem passage 502 is provided with drainback passage 507, and drainback passage 507 is communicated with fuel tank 3.
Connecting rod control system 4 comprises supporting seat 401, link assembly 403, Rocker arm 4 02; Link assembly 403 is arranged on the supporting seat 401; Rocker arm 4 02 is connected with supporting seat 401, link assembly 403 respectively, and the side of supporting seat 401 is provided with spring supporting bar 404, and spring supporting bar 404 connects spring.
The end of connector 4031 is provided with groove 4032, and groove 4032 is connected with valve rod 503.
During work, the reinforcing bar that needs are cut off is put between cutting blade 105 and the fixed blade 106, cuts off action automatically through what control link control system 4 carried out reinforcing bar.Connecting rod control system 4 is pressed onto valve rod 503 least significant end of valve stem passage 502; Fuel tank 3 is through gear pump 7, distributing valve 5 fuel feeding in hydraulic cylinder 2; Along with the increase of fuel delivery, the piston rod of hydraulic cylinder 2 is jack-up up, drives knife rest 102 actions; Knife rest 102 drives cutting blade 105 to the extruding of fixed blade 106 directions, thereby cuts off the reinforcing bar between cutting blade 105 and the fixed blade 106.
When connecting rod control system 4 rises to most significant end with valve rod 503; The piston 504 of valve rod 503 is with oil inlet passage 505 shutoff; Fuel tank 3 stops to hydraulic cylinder 2 fuel feeding; Knife rest 102 back shrinks under the effect of extension spring 103 and resets, and oil flows back in the fuel tank 3 through drainback passage 507, prepares the next action of cutting off reinforcing bar.
Claims (6)
1. a bar cutter comprises underframe (8), guard shield (9), it is characterized in that; Be provided with the base knife rest (1), hydraulic cylinder (2), distributing valve (5), gear pump (7), fuel tank (3), connecting rod control system (4), the motor (6) that place in the guard shield (9) on the underframe (8) successively; Base knife rest (1) is connected with hydraulic cylinder (2), and the bottom of hydraulic cylinder (2) and underframe (8) are hinged, and connecting rod control system (4) is connected with distributing valve (5); Distributing valve (5) is communicated with fuel tank (3) through gear pump (7); Distributing valve (5) is connected with hydraulic cylinder (2), and the top of fuel tank (3) is fixedly connected motor (6), and motor (6) is connected with gear pump (7) through shaft coupling (11).
2. bar cutter according to claim 1; It is characterized in that base knife rest (1) comprises knife rest (102), holder (108), extension spring (103), connecting rod (104), cutting blade (105), fixed blade (106), rotating shaft (107), base (101), an end of knife rest (102) is fixedly connected with hydraulic cylinder (2); The other end is provided with cutting blade (105); Be provided with fixed blade (106) relatively with cutting blade (105), cutting blade (105) and fixed blade (106) staggered floor setting, fixed blade (106) is arranged on the base (101); Knife rest (102) is connected with holder (108) through rotating shaft (107), and holder (108) is fixedly installed on the underframe (8); Knife rest (102) is connected with underframe (8) through extension spring (103).
3. bar cutter according to claim 1; It is characterized in that; Distributing valve (5) comprises selector valve body (501), is provided with valve stem passage (502) in the selector valve body (501), and valve rod (503) is set in the valve stem passage (502); One end of valve rod (503) places the outside of selector valve body (501) and is connected with connecting rod control system (4), and the other end is provided with piston (504); The two ends of valve stem passage (502) are respectively equipped with oil inlet passage (505), oil discharge passage (506), and oil inlet passage (505) is communicated with the oil-out of gear pump (7), and oil discharge passage (506) is communicated with through oil inlet hose (10) with hydraulic cylinder (2); The bottom of valve stem passage (502) is provided with drainback passage (507), and drainback passage (507) is communicated with fuel tank (3).
4. according to claim 1 or 3 described bar cutters; It is characterized in that; Connecting rod control system (4) comprises supporting seat (401), link assembly (403), rocking arm (402), and link assembly (403) is arranged on the supporting seat (401), and rocking arm (402) is connected with supporting seat (401), link assembly (403) respectively; The side of supporting seat (401) is provided with spring supporting bar (404), and spring supporting bar (404) connects spring.
5. bar cutter according to claim 4; It is characterized in that; Link assembly (403) comprises connector (4031), connector (4031) fixed connecting sleeve (4036), and the top of sleeve pipe (4036) is provided with connecting rod (4033), contiguous block (4034), balancing weight (4035) successively; The side of sleeve pipe (4036) is provided with support (4037), and support (4037) is provided with limited block I (4038), limited block II (4039).
6. bar cutter according to claim 5 is characterized in that, the end of connector (4031) is provided with groove (4032), and groove (4032) is connected with valve rod (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120205136U CN202146960U (en) | 2011-06-17 | 2011-06-17 | Steel bar shearing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120205136U CN202146960U (en) | 2011-06-17 | 2011-06-17 | Steel bar shearing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202146960U true CN202146960U (en) | 2012-02-22 |
Family
ID=45588035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120205136U Expired - Lifetime CN202146960U (en) | 2011-06-17 | 2011-06-17 | Steel bar shearing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202146960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825173A (en) * | 2011-06-17 | 2012-12-19 | 青岛金石通机械有限公司 | Reinforcing steel bar shearing machine |
-
2011
- 2011-06-17 CN CN201120205136U patent/CN202146960U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825173A (en) * | 2011-06-17 | 2012-12-19 | 青岛金石通机械有限公司 | Reinforcing steel bar shearing machine |
| CN102825173B (en) * | 2011-06-17 | 2014-08-20 | 青岛金石通机械有限公司 | Reinforcing steel bar shearing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120222 Effective date of abandoning: 20140820 |
|
| RGAV | Abandon patent right to avoid regrant |