CN210675301U

CN210675301U - Small jaw crusher

Info

Publication number: CN210675301U
Application number: CN201921496477.8U
Authority: CN
Inventors: 徐文超; 李涛; 王启林; 王金枝; 黄龙; 张守梅
Original assignee: Jinan Tongda Highway Engineering Co ltd
Current assignee: Jinan Tongda Highway Engineering Co ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-06-05
Anticipated expiration: 2029-09-09

Abstract

The utility model discloses a small-size jaw breaker, including quiet jaw with move the jaw, quiet jaw with move and be formed with broken chamber between the jaw, the both sides in broken chamber are equipped with the backplate, one side that the frame was kept away from to the backplate articulates there is the apron, sliding connection has the inserted bar that is used for inserting broken chamber on the apron. The utility model has the advantages of can carry out the operation of pushing down to the stone of card in broken intracavity, the security is higher in the operation process.

Description

Small jaw crusher

Technical Field

The utility model relates to a breaker especially relates to a small-size jaw breaker.

Background

Jaw crushers are commonly called as jaw crushers and are also called as tiger mouths. The crushing cavity is composed of two jaw plates of a movable jaw and a static jaw, and the two jaws of an animal are simulated to move so as to finish the crushing operation of the material. The crusher is widely applied to crushing of various ores and large materials in the industries of mine smelting, building materials, highways, railways, water conservancy, chemical engineering and the like. The highest compressive strength of the crushed material is 320 Mpa.

The existing small jaw crusher comprises a crushing cavity consisting of a movable jaw plate and a fixed jaw plate, wherein the fixed jaw plate is fixed on a frame, the upper part of the movable jaw plate is pivoted on a driving crankshaft, and the movable jaw plate is arranged on the frame in a reciprocating motion mode close to and far away from the fixed jaw plate through the driving crankshaft; one end of the toggle plate is pivoted at the lower end of the movable jaw plate through connecting seats arranged at two ends of the toggle plate by matching with a connecting rod connected between the static jaw plate and the rack, and the other end of the toggle plate is pivoted on the rack; the motor drives the flywheel to reciprocate the movable jaw plate eccentrically arranged on the flywheel shaft to crush stones in the crushing cavity.

The above prior art solutions have the following drawbacks: when moving the jaw and being close to and keeping away from the stone of quiet jaw extrusion crushing intracavity, the stone can appear splitting sometimes but not scattering, blocks in the condition of the timely whereabouts of broken intracavity, needs operating personnel to promote or adjust the stone that blocks once with the hand, has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a small-size jaw breaker, it has can carry out the advantage of pushing down the operation to the stone of card in broken intracavity, and the security is higher in the operation process.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a small-size jaw breaker, includes quiet jaw and moves the jaw, quiet jaw and move and be formed with broken chamber between the jaw, the both sides in broken chamber are equipped with the backplate, one side that the frame was kept away from to the backplate articulates there is the apron, sliding connection has the inserted bar that is used for inserting broken chamber on the apron.

Through adopting above-mentioned technical scheme, the apron is through the articulated rotatable top to broken chamber and with the top in broken chamber with the backplate, and after the apron turned to broken chamber top, accessible sliding connection inserted bar on the apron inserted the broken chamber, thereby replaced the pressure stone through the inserted bar and abandoned the direct manual way that promotes to the stone of card in broken intracavity of operator in the past, consequently the utility model discloses the operation is safer.

The utility model discloses further set up to: the cover plate is provided with a cylindrical block, a cylindrical groove for the cylindrical block to be connected to the cover plate in a sliding manner is formed in the cover plate, and the axis of the cylindrical block is superposed with the axis of the cylindrical groove; the cylinder piece rotates to be connected in the cylinder groove, and the diameter in cylinder groove is greater than the apron thickness, be equipped with the pole groove that radially runs through the cylinder piece on the cylinder piece, inserted bar sliding connection is on the pole groove.

Through adopting above-mentioned technical scheme, the cylinder piece can rotate to be connected and also can slide in the cylinder groove, and inserted bar sliding connection carries out the adjustment of position in the pole groove of cylinder piece to make the inserted bar can accompany the slip or the rotation of cylinder piece, more make things convenient for to carry out the pushing down operation to the stone in the broken chamber.

The utility model discloses further set up to: the apron is equipped with the locating piece towards a side end face of backplate, be equipped with the spout on the locating piece, sliding connection has the locking lever in the spout, be equipped with the locking piece on the backplate, be equipped with the locked groove that supplies the locking lever joint on the locking piece, be equipped with first spring in the spout, the one end fixed connection of first spring is on the spout keeps away from one side inner wall of locked groove, and other end fixed connection is on the locking lever keeps away from a side end face of locked groove.

By adopting the technical scheme, the cover plate can be limited from rotating after the cover plate rotates until the lock rod is buckled into the lock groove, so that the cover plate cannot shake when the inserted rod is inserted into the crushing cavity to extrude fragments, and the stability of the inserted rod in the using process is improved; set up first spring in the spout and make the more stable card of locking lever in the locked groove, the rotation of better restriction apron.

The utility model discloses further set up to: the lock rod is provided with a shifting block extending to the outer side of the positioning block, and the inner wall of the sliding groove is provided with a shifting block groove for the shifting block to slide.

By adopting the technical scheme, after the cover plate is fixed by the lock rod, the lock rod is pulled by the shifting block to separate the lock rod from the lock groove, so that the cover plate can continue to rotate, and the cover plate is conveniently retracted.

The utility model discloses further set up to: the ball groove is arranged on the inner wall of the cylindrical groove, a second spring is arranged in the cavity groove, one end of the second spring is fixed on the inner wall, away from the cylindrical groove, of one side of the cavity groove, a ball body is fixedly connected to the other end of the second spring, and a ball groove for the ball body to be clamped in is formed in the cylindrical block.

Through adopting above-mentioned technical scheme, the spheroid can block to the ball groove under the elasticity of second spring, just can make the spheroid break away from the ball groove when using a constant force to remove or rotate the cylinder piece, when not using the inserted bar, makes the spheroid joint can keep the inserted bar to be difficult to rock in the ball groove.

The utility model discloses further set up to: one end of the inserted bar, which is used for being inserted into the crushing cavity, is provided with a supporting block, and one end of the inserted bar, which is far away from the supporting block, is in threaded connection with a limiting disc.

Through adopting above-mentioned technical scheme, support the piece and can prevent that the inserted bar from deviating from the apron at the in-process of upwards pulling up when using the inserted bar extrusion rubble.

The utility model discloses further set up to: the frame is also provided with a clamping jaw for clamping and placing the inserted bar.

Through adopting above-mentioned technical scheme, when not using the inserted bar, rotate the apron and make the inserted bar joint in the clamping jaw, make the inserted bar can obtain better fixed.

To sum up, the utility model discloses a beneficial technological effect does: the cover plate can be fixed through the position where the lock rod is locked into the lock groove; through the slip and the normal running fit in cylinder piece and cylinder groove for the inserted bar can the adjusting position, more conveniently pushes down the operation to the stone in the broken intracavity.

Drawings

FIG. 1 is a schematic view showing the overall structure of the present embodiment when the plunger is not used;

FIG. 2 is a schematic view of the overall structure of the present embodiment when using the insert rod;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a schematic view, partly in section, of the cover plate of the embodiment secured to the crushing chamber;

FIG. 5 is an enlarged schematic view of portion B of FIG. 4;

FIG. 6 is a schematic sectional view showing the salient pole coupling structure of the present embodiment;

FIG. 7 is an enlarged schematic view of portion C of FIG. 6;

FIG. 8 is a schematic cross-sectional view of the present embodiment with the plunger inserted into the crushing chamber for use;

fig. 9 is an enlarged schematic view of a portion D in fig. 2.

Description of reference numerals: 1. a machine base; 2. a frame; 3. a stationary jaw plate; 4. a movable jaw plate; 5. a crushing chamber; 6. a guard plate; 7. an opening; 8. a bump; 9. a rubber sphere; 10. a cover plate; 11. the claw piece 12 and the cylindrical block; 13. a rod groove; 14. inserting a rod; 15. positioning blocks; 16. a chute; 17. a lock lever; 18. a locking block; 19. locking the groove; 20. a first spring; 21. shifting blocks; 22. a block shifting groove; 23. a cavity groove; 24. a second spring; 25. a sphere; 26. a ball groove; 27. a resisting block; 28. a cylindrical groove; 29. a clamping jaw; 30. a fixed block; 31. a pin shaft; 32. a limiting disc.

Detailed Description

Example (b):

as shown in fig. 1 and 2, a small jaw crusher comprises a machine base 1 and a machine frame 2, wherein a static jaw 3 and a movable jaw 4 are installed on the machine frame 2, a crushing cavity 5 is formed between the static jaw 3 and the movable jaw 4, two sides of the crushing cavity 5 are provided with guard plates 6, and one side, far away from the machine base 1, of the crushing cavity 5 is provided with an opening 7 for putting stones. The side of the guard plate 6 far away from the base 1 is provided with a convex block 8, the side of the guard plate 6 far away from the base 1 is also provided with a cover plate 10 stretching across the opening 7, and the cover plate 10 is hinged on the convex block 8 through a pin shaft 31. The cover plate 10 is provided with a cylindrical groove 28, the cylindrical groove 28 is connected with a cylindrical block 12 in a sliding mode, the cylindrical block 12 is provided with a rod groove 13 which radially penetrates through the cylindrical block 12, the rod groove 13 is connected with an inserted rod 14 which is used for extruding broken stone in the crushing cavity 5 in a sliding mode, the axis of the inserted rod 14 is perpendicular to the axis of the cylindrical block 12, and the axis of the cylindrical groove 28 is perpendicular to the guard plate 6.

As shown in fig. 3, 4 and 5, a positioning block 15 is further disposed on an end surface of the cover plate 10 facing the guard plate 6, a sliding slot 16 is disposed on the positioning block 15, and a lock rod 17 is slidably connected in the sliding slot 16. The end face of one side of the guard plate 6 far away from the machine base 1 is provided with a locking block 18, and the locking block 18 is provided with a locking groove 19 for clamping the locking rod 17. A first spring 20 is further arranged in the sliding groove 16, one end of the first spring 20 is fixedly bonded to the inner wall of the sliding groove 16 far away from the locking block 18, and the other end of the first spring is fixedly welded to the end face of the locking rod 17 far away from the locking block 18. The side wall of the lock rod 17 is further provided with a shifting block 21, the shifting block 21 extends out of the outer wall of the positioning block 15, and the positioning block 15 is provided with a shifting block groove 22 for the sliding connection of the shifting block 21. As shown in fig. 2, the locking bar 17 is locked in the locking groove 19 and fixed when the cover plate 12 is rotated to the position of being attached to the protector plate 6 (see fig. 5).

As shown in fig. 6 and 7, cylindrical block 12 is axially aligned with cylindrical groove 28, and cylindrical block 12 is rotatably coupled to cylindrical groove 28. Cylindrical block 12 may also spin as cylindrical block 12 slides within cylindrical slot 28. Cylindrical block 12 has a diameter larger than the thickness of cover plate 10, and a portion of cylindrical block 12 is located outside the end surface of cover plate 10, so that plug 14 is slidably coupled to cylindrical block 12 and has a certain rotation space by the rotation of cylindrical block 12. The cover plate 10 is made of a plastic material having a certain elasticity, and can be press-fitted into the cylindrical groove 28 by applying a certain force to the cylindrical block 12.

As shown in fig. 6 and 7, a cavity groove 23 is formed in an inner wall of the cylindrical groove 28, a second spring 24 is arranged in the cavity groove 23, one end of the second spring 24 is fixedly bonded to an inner wall of the cavity groove 23 on a side away from the cylindrical groove 28, the other end of the second spring is fixedly welded with a sphere 25, and a sphere groove 26 for the sphere 25 to be clamped is formed in the cylindrical block 12. When the inserted link 14 is not needed to be used for pressing the gravel, the cylindrical block 12 is rotated to enable the ball 25 to be clamped in the ball groove 26, and under the condition of not bearing a certain force, the cylindrical block 12 cannot rotate or slide, so that the inserted link 14 can be more stably arranged on the cover plate 10. When the ball 25 is installed at the notch of the cavity groove 23 through the second spring 24, only a small part of the ball extends out of the cavity groove 23, and the size of the ball groove 26 is matched with the size of the ball 25 extending out of the cavity groove 23, so that the ball 25 is not easy to be separated from the cavity groove 23.

As shown in fig. 2 and 9, a clamping jaw 29 for clamping and placing the plunger 14 is arranged on the frame 2, the clamping jaw 29 includes a fixed block 30 fixed to the frame 2 and arc-shaped claw pieces 11 symmetrically arranged on both sides of the fixed block 30, a bayonet for clamping the plunger 14 is formed between the claw pieces 11, and a rubber ball 32 for abutting against the plunger 14 is arranged at the bayonet of the claw piece 11. When the insert rod 14 is not in use, the insert rod 14 can be placed by snapping into the clamping jaws 29, the whole situation when the jaw crusher is not using the insert rod 14 being shown in fig. 1 and 6. When a stone block is clamped in the crushing cavity 5, the inserting rod 14 can be pulled out from the clamping jaw 29, and then the cover plate 10 is rotated, so that the positioning block 15 rotates to the position abutted against the protection plate 6 along with the cover plate 10, and the locking rod 17 is clamped in the locking groove 19 for fixing. After fixing, the inserted bar 14 that slides from top to bottom can push down the operation to the stone in crushing chamber 5 to accessible cylinder piece 12 carries out the rotation in the certain limit with the mating reaction of cylinder groove 28, and the sliding structure that accessible cylinder piece 12 and cylinder groove 28 formed adjusts the position of inserted bar 14. The insertion rod 14 is inserted into the crushing chamber 5 in a state pressed against the stone block as shown in fig. 2 and 8.

As shown in fig. 6, a resisting block 27 is arranged at one end of the inserted link 14 inserted into the crushing cavity 5 to press the crushed stone, and a limit plate 32 is connected to one end of the inserted link 14 far away from the resisting block 27 in a threaded manner; the insertion rod 14 can be prevented from being separated from the rod groove 13 by the limiting disc 32 and the abutting block 27.

The utility model discloses an application principle does: the apron 10 rotates in the top of broken chamber 5 opening 7 through the articulated with lug 8, when the stone in the broken chamber 5 of needs extrusion, rotates apron 10 to opening 7 on, can push down the stone in broken chamber 5 through sliding inserted bar 14 from top to bottom. The position of plunger 14 can also be adjusted by the rotation and sliding function of cylindrical block 12.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a small-size jaw breaker, includes quiet jaw (3) and moves jaw (4), quiet jaw (3) and move and be formed with broken chamber (5) between jaw (4), and the both sides in broken chamber (5) are equipped with backplate (6), its characterized in that: one side that frame (1) was kept away from in backplate (6) articulates there is apron (10), sliding connection has inserted bar (14) that are used for inserting broken chamber (5) on apron (10).

2. A small jaw crusher as claimed in claim 1, in which: the cover plate (10) is provided with a cylindrical block (12), the cover plate (10) is provided with a cylindrical groove (28) for the cylindrical block (12) to be connected to the cover plate (10) in a sliding manner, and the axis of the cylindrical block (12) is superposed with the axis of the cylindrical groove (28); the cylindrical block (12) is rotatably connected to the cylindrical groove (28), the diameter of the cylindrical groove (28) is larger than the thickness of the cover plate (10), a rod groove (13) which radially penetrates through the cylindrical block (12) is formed in the cylindrical block (12), and the inserted rod (14) is slidably connected to the rod groove (13).

3. A small jaw crusher as claimed in claim 1, in which: apron (10) are equipped with locating piece (15) towards a side end face of backplate (6), be equipped with spout (16) on locating piece (15), sliding connection has locking lever (17) in spout (16), be equipped with locking piece (18) on backplate (6), be equipped with locked groove (19) that supply locking lever (17) joint on locking piece (18), be equipped with first spring (20) in spout (16), the one end fixed connection of first spring (20) is on one side inner wall that locked groove (19) were kept away from in spout (16), and other end fixed connection is on locking lever (17) keep away from a side end face of locked groove (19).

4. A small jaw crusher as claimed in claim 3, in which: the lock rod (17) is provided with a shifting block (21) extending to the outer side of the positioning block (15), and the inner wall of the sliding groove (16) is provided with a shifting block groove (22) for the shifting block (21) to slide.

5. A small jaw crusher as claimed in claim 2, in which: a cavity groove (23) is formed in the inner wall of the cylindrical groove (28), and a second spring (24) is arranged in the cavity groove (23); one end of the second spring (24) is fixed on the inner wall of one side of the cavity groove (23) far away from the cylindrical groove (28), the other end of the second spring is fixedly connected with the ball body (25), and the cylindrical block (12) is provided with a ball groove (26) for the ball body (25) to be clamped in.

6. A small jaw crusher as claimed in claim 1, in which: one end of the insert rod (14) which is inserted into the crushing cavity (5) is provided with a resisting block (27); one end of the inserted bar (14) far away from the abutting block (27) is connected with a limiting disc (32) through threads.