CN209680186U - A kind of jaw crusher - Google Patents

Abstract

The utility model discloses a kind of jaw crushers, including pedestal, support base is installed on the pedestal, be fixedly connected on the support base be vertically arranged determine jaw, it is described to determine jaw and be provided tiltedly with moving jaw plate far from the side of support base, the top of the moving jaw plate is connected with eccentric wheel, the upper end of the pedestal is equipped with support frame, the eccentric wheel rotation connection is on the support frame, motor is installed on the pedestal, the motor is connect with eccentric wheel, fixed block is fixedly connected on support frame as described above, elastical retraction is installed on the fixed block, the elastical retraction is fixedly connected with the bottom end of moving jaw plate.Using the adjustable design of jaw crusher discharge gate, it moves along a straight line up and down by adjusting block along fixed block, it can be further driven to thrust plate and push jaw, to realize the adjusting for determining jaw Yu moving jaw plate bottom spacing, efficiently solve the problems, such as that the nesting population size fixation of jaw crusher is quick-adjustsing so as to cause that can not carry out according to field condition.

Description

A kind of jaw crusher

Technical field

The utility model relates to jaw crusher technical field more particularly to a kind of jaw crushers.

Background technique

Jaw crusher is commonly called as that jaw is broken also known as tiger mouthful.Crusher chamber is formed by dynamic two pieces of jaws of jaw and quiet jaw, simulates animal Two jaw movements and complete the crusher of material crushing operation.Be widely used in mine smelting, building materials, highway, railway, water conservancy and Various ores and bulk materials is broken in the industries such as chemical industry.

Jaw is moved in existing jaw crusher and quiet jaw is prone to wear, and discharge gate becomes large-sized after abrasion, the granularity of product Also thicker therewith, therefore, in order to guarantee the granularity requirements of product, it is necessary to using adjustment device, regularly adjust the ruler of discharge gate It is very little, and the nesting population size of crusher is fixed in traditional technology, leads to not quickly be adjusted according to field condition.

Utility model content

Purpose of the utility model is to solve above-mentioned problems, and a kind of jaw crusher proposed.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of jaw crusher, including pedestal, are symmetrically installed that there are two driving wheel, two driving wheels on the pedestal On be arranged with conveyer belt jointly, support base is installed on the pedestal, determining of being vertically arranged is fixedly connected on the support base Jaw, described to determine jaw and be provided tiltedly with moving jaw plate far from the side of support base, the top of the moving jaw plate is connected with eccentric wheel, institute The upper end for stating pedestal is equipped with support frame, and the eccentric wheel rotation connection on the support frame, is equipped with motor, institute on the pedestal It states motor to connect with eccentric wheel, fixed block is fixedly connected on support frame as described above, elastical retraction, institute are installed on the fixed block Elastical retraction to be stated to be fixedly connected with the bottom end of moving jaw plate, the fixed block slidably connects adjustment block close to the side of moving jaw plate, Regulating mechanism for adjusting adjustment block upper and lower displacement is installed on the fixed block, is rotated and is connected by pin shaft in the adjustment block It is connected to thrust plate, the thrust plate is fixedly connected with moving jaw plate.

Preferably, the motor is connect by belt with eccentric wheel.

Preferably, the elastical retraction includes fixed link and brute spring, and the brute spring is set in fixed link, institute Fixed link is stated to be fixedly connected with moving jaw plate.

Preferably, the regulating mechanism includes ball nut, screw rod and knob；The ball nut is matched with screw flight It closes, the bottom end of the screw rod is fixedly connected with adjustment block, and the outer surface of the ball nut and knob are interference fitted, the ball Nut is rotatably connected on fixed block.

Preferably, the ball nut is rotatably connected on fixed block by deep groove ball bearing.

Preferably, multiple mounting grooves are offered on the fixed block, are welded with reset spring in each mounting groove, The reset spring is welded with support block, and the support block is cambered surface close to one end of adjustment block, offers one in the adjustment block The arc groove being used cooperatively with support block.

Compared with prior art, the utility model has following advantages:

Using the adjustable design of jaw crusher discharge gate, move along a straight line up and down by adjusting block along fixed block, it can It is further driven to thrust plate and pushes jaw, determine the adjusting of jaw Yu moving jaw plate bottom spacing to realize, effective solution jaw The nesting population size of formula crusher is fixed, and leads to not quickly be adjusted according to field condition.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of jaw crusher structural schematic diagram；

Fig. 2 is part A enlarged structure schematic diagram in the utility model Fig. 1.

In figure: jaw, 4 moving jaw plates, 5 eccentric wheels, 6 motors, 7 thrust plates, 8 elastical retractions, 9 are determined in 1 pedestal, 2 support bases, 3 Conveyer belt, 10 driving wheels, 11 ball nuts, 12 knobs, 13 screw rods, 14 adjustment blocks, 15 support frames, 16 fixed blocks, 17 mounting grooves, 18 reset springs, 19 support blocks.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to figs. 1 to 2, a kind of jaw crusher, including pedestal 1 is symmetrically installed on pedestal 1 there are two driving wheel 10, two Conveyer belt 9 is arranged on a driving wheel 10 jointly, support base 2 is installed on pedestal 1, is fixedly connected on support base 2 and sets vertically That sets determines jaw 3, determines jaw 3 far from the side of support base 2 and is provided tiltedly with moving jaw plate 4, the top of moving jaw plate 4 is connected with eccentric wheel 5, the upper end of pedestal 1 is equipped with support frame 15, and eccentric wheel 5 is rotatably connected on support frame 15, and motor 6 is equipped on pedestal 1, electricity Machine 6 is connect with eccentric wheel 5, and motor 6 is connect by belt with eccentric wheel 5.

It is fixedly connected with fixed block 16 on support frame 15, elastical retraction 8 is installed on fixed block 16, elastical retraction 8 and dynamic The bottom end of jaw 4 is fixedly connected.

Elastical retraction 8 includes fixed link and brute spring, and brute spring is set in fixed link, fixed link and moving jaw plate 4 It is fixedly connected, elastical retraction 8 can give bottom resilient compensation.

Fixed block 16 slidably connects adjustment block 14 close to the side of moving jaw plate 4, is equipped on fixed block 16 for adjusting The regulating mechanism of 14 upper and lower displacement of adjustment block is rotatably connected to thrust plate 7, thrust plate 7 and dynamic jaw by pin shaft in adjustment block 14 Plate 4 is fixedly connected.

Regulating mechanism includes ball nut 11, screw rod 13 and knob 12；Ball nut 11 is threadedly engaged with screw rod 13, screw rod 13 bottom end is fixedly connected with adjustment block 14, and the outer surface of ball nut 11 and knob 12 are interference fitted, and ball nut 11 passes through Deep groove ball bearing is rotatably connected on fixed block 16.The effect of adjustment structure is, passes through the axis of ball nut 11 and screw rod 13 To movement, realize that screw rod 13 drives adjustment block 14 to move, to realize adjusting.

Multiple mounting grooves 17 are offered on fixed block 16, reset spring 18 is welded in each mounting groove 17, reset bullet Spring 18 is welded with support block 19, and support block 19 is cambered surface close to one end of adjustment block 14, offers one and support block 19 in adjustment block 14 The arc groove being used cooperatively, support block 19 can be against in arc groove under the resilient force of reset spring 18, to realize adjustment Block 14 does not move one end and realizes and can engage, to increase stability when its fixation.

Motor 6 in the utility model, eccentric wheel 5, to determine jaw 3, the work of moving jaw plate 4 separate and connection type is existing Technology, details are not described herein again.

When needing to adjust the spacing for determining jaw 3 and 4 bottom of moving jaw plate, ball nut 11 is manually rotated by knob 12, Ball nut 11 drives about 13 screw rod being threadedly coupled therewith to move along a straight line in turn, and screw rod 13 drives about 14 adjustment block to transport It is dynamic, after adjustment block 14 moves up and down and then drive thrust plate 7 that the bottom end of moving jaw plate 4 is adjusted, so as to close to or far from Determine jaw 3.

In the present invention unless specifically defined or limited otherwise, term " sliding ", " fixation ", " is set " rotation " Have " etc. terms shall be understood in a broad sense, for example, it may be being welded to connect, be also possible to be bolted, or integral；It can be machine Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside part, unless otherwise restricted clearly.For the ordinary skill of this field For personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of jaw crusher, including pedestal (1), which is characterized in that driving wheel there are two being symmetrically installed on the pedestal (1) (10), it is arranged with jointly conveyer belt (9) on two driving wheels (10), support base (2), institute is installed on the pedestal (1) It states and is fixedly connected with determining jaw (3) of being vertically arranged on support base (2), it is described to determine the inclination of jaw (3) far from support base (2) Moving jaw plate (4) tiltedly are equipped with, the top of the moving jaw plate (4) is connected with eccentric wheel (5), and the upper end of the pedestal (1) is equipped with branch Support (15), the eccentric wheel (5) are rotatably connected on support frame (15), are equipped with motor (6) on the pedestal (1), described Motor (6) is connect with eccentric wheel (5), is fixedly connected on support frame as described above (15) fixed block (16), on the fixed block (16) It is equipped with elastical retraction (8), the elastical retraction (8) is fixedly connected with the bottom end of moving jaw plate (4), and the fixed block (16) is close The side of moving jaw plate (4) slidably connects adjustment block (14), is equipped on the fixed block (16) for adjusting adjustment block (14) The regulating mechanism of upper and lower displacement is rotatably connected to thrust plate (7) on the adjustment block (14), the thrust plate (7) by pin shaft It is fixedly connected with moving jaw plate (4).

2. a kind of jaw crusher according to claim 1, which is characterized in that the motor (6) passes through belt and bias Take turns (5) connection.

3. a kind of jaw crusher according to claim 1, which is characterized in that the elastical retraction (8) includes fixed link And brute spring, the brute spring are set in fixed link, the fixed link is fixedly connected with moving jaw plate (4).

4. a kind of jaw crusher according to claim 1, which is characterized in that the regulating mechanism includes ball nut (11), screw rod (13) and knob (12)；The ball nut (11) is threadedly engaged with screw rod (13), the bottom end of the screw rod (13) It is fixedly connected with adjustment block (14), the outer surface and knob (12) of the ball nut (11) are interference fitted, the ball nut (11) it is rotatably connected on fixed block (16).

5. a kind of jaw crusher according to claim 4, which is characterized in that the ball nut (11) passes through deep-groove ball Bearing is rotatably connected on fixed block (16).

6. a kind of jaw crusher according to claim 1, which is characterized in that offered on the fixed block (16) multiple Mounting groove (17) is welded with reset spring (18) in each mounting groove (17), the reset spring (18) be welded with to Block (19), the support block (19) are cambered surface close to the one end of adjustment block (14), offer on the adjustment block (14) one with support The arc groove that block (19) is used cooperatively.