A jaw mining crusher

Abstract

The present invention relates to the technical field of crushers, and in particular to a jaw mining crusher. The technical problem to be solved by the present invention is that the movable jaw plates of some existing jaw crushers need to be replaced as a whole after being worn, which is costly; the fixed jaw plates of some existing jaw crushers have a short service life; and the damaged parts of some existing jaw crushers are inconvenient to replace. In order to solve the above technical problems, the present invention provides a jaw mining crusher, including a frame, the upper part of the frame is rotatably connected to a main shaft, the right end of the main shaft is fixedly connected to a flywheel, and the left end of the main shaft is fixedly connected to a groove wheel. The present invention is composed of a crushing mechanism, a clamping mechanism and an adjusting mechanism. By releasing the L-shaped plug rod from the plug hole, a single tooth plate can be pulled out from the inside of the rectangular groove for replacement, so that the tooth plate with severe surface wear can be replaced after the movable jaw plate has been working for a long time, avoiding overall replacement and reducing the cost of use.

Description

Technical Field

[0001] The invention relates to the field of crushers, in particular to a jaw mining crusher. Background Art

[0002] Jaw crusher is commonly known as jaw crusher. It consists of a movable jaw and a static jaw to form a crushing chamber. It simulates the movement of the two jaws of an animal to complete the material crushing operation. It is widely used in mining, smelting, building materials, highways, railways, water conservancy and chemical industries.

[0003] The existing patent (Announcement No.: CN110813413A) discloses a jaw crusher, including a casing, a flywheel, a movable jaw and a fixed jaw, and also includes an adjustment seat movably connected to the movable jaw through a hinged rod, and a fixed jaw plate is fixedly arranged on the outer surface of the fixed jaw. In the process of realizing the present invention, the inventor found that at least the following problems in the prior art have not been solved: 1. In the process of replacing the movable jaw plate of some existing jaw crushers, the entire movable jaw plate is generally replaced. Since the degree of wear of different positions of the movable jaw plate during use is different, the overall replacement method is relatively wasteful and increases the cost of use; 2. The fixed jaw plate of the jaw crusher will wear out after long-term use. The device is difficult to effectively increase the service life of the fixed jaw plate and has poor practicality; 3. When replacing damaged parts of some existing jaw crushers, multiple bolts are disassembled for replacement, which is inconvenient and reduces work efficiency. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a jaw mining crusher, which solves the undesirable problems that the movable jaw plates of some existing jaw crushers need to be replaced as a whole after being worn, which is costly; the fixed jaw plates of some existing jaw crushers have a short service life; and the damaged parts of some existing jaw crushers are inconvenient to replace.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A jaw mining crusher comprises a frame, the upper part of the frame is rotatably connected to a main shaft, the right end of the main shaft is fixedly connected to a flywheel, the left end of the main shaft is fixedly connected to a groove wheel, the surface of the groove wheel is movably sleeved with a transmission belt, and one end of the transmission belt is movably sleeved with a transmission motor;

[0006] A movable jaw plate is fixedly sleeved in the middle of the main shaft, a toggle plate is fixedly connected between the lower part of the movable jaw plate and the inner wall of the frame, a crushing mechanism is movably connected to the side wall of the movable jaw plate, and a clamping mechanism matched with the crushing mechanism is movably connected to the middle part of the movable jaw plate;

[0007] Side guard plates matched with the movable jaw plate are symmetrically fixedly connected to both sides of the frame, a fixed jaw plate is fixedly connected between the two side guard plates, and an adjusting mechanism is movably connected inside the fixed jaw plate.

[0008] Preferably, the crushing mechanism includes a rectangular groove, and there are two rectangular grooves, which are symmetrically opened on the side wall of the movable jaw plate, and three tooth plates are equidistantly and movably connected inside the rectangular groove. A clamping block is fixedly connected to the middle of the tooth plate, and sockets are symmetrically opened on both sides of the clamping block. One end of the clamping block passes through the rectangular groove and is movably connected to the clamping mechanism through the socket.

[0009] Preferably, the clamping mechanism includes a movable groove, and there are two movable grooves, which are symmetrically opened in the middle of the movable jaw plate. The inner wall of the movable groove is fixedly connected to a No. 1 hydraulic rod, and one end of the No. 1 hydraulic rod is fixedly connected to a movable plate, and three connecting rods are hinged at equal distances on both sides of the movable plate, and one end of the connecting rod is hinged to an L-shaped plug rod, and the middle part of the L-shaped plug rod is movably sleeved with a support block, and the side wall of the support block is fixedly connected to the inner wall of the adjacent movable groove, and one end of the L-shaped plug rod is movably inserted into the inside of the crushing mechanism.

[0010] Preferably, the top and the bottom of the movable groove are both provided with sliding grooves, and the top and the bottom of the movable plate are respectively slidably connected to the inside of the two sliding grooves.

[0011] Preferably, the adjustment mechanism comprises an adjustment groove, the adjustment groove is vertically opened in the middle of the fixed jaw plate, the adjustment groove is movably connected with an adjustment plate inside, the surface of the adjustment plate is opened with four oblique grooves, the top of the adjustment plate is fixedly connected with a No. 2 hydraulic rod, and the top of the No. 2 hydraulic rod is fixedly connected to the inner top surface of the fixed jaw plate;

[0012] A slot is vertically symmetrically provided on one side of the fixed jaw away from the adjustment plate, a crushing plate is movably inserted inside the slot, a moving rod is symmetrically fixedly connected to one side of the crushing plate, and one end of the moving rod passes through the slot and overlaps the inside of the corresponding inclined groove.

[0013] Preferably, a movable groove is vertically opened on the side wall of the adjustment groove, the adjustment plate is slidably connected inside the movable groove, a guide rod is fixedly connected to the inner bottom surface of the adjustment groove, and a guide hole matching the guide rod is opened on the bottom of the adjustment plate.

[0014] Preferably, a support rod is symmetrically fixedly connected to the surface of the crushing plate, one end of the support rod passes through a slot and is fixedly connected to a retaining ring, and a compression spring that cooperates with the retaining ring is movably sleeved on the surface of the support rod.

[0015] Preferably, a mounting plate is fixedly connected to the bottom of the transmission motor, and one end of the mounting plate is fixedly connected to the side wall of the frame.

[0016] Beneficial Effects

[0017] The present invention provides a jaw mining crusher. Compared with the prior art, it has the following beneficial effects:

[0018] (1) The jaw mining crusher uses a movable jaw plate, a tooth plate, a clamping block and other components in coordination, so that the L-shaped plug rod is released from the plug hole, and a single tooth plate can be pulled out from the inside of the rectangular groove for replacement. After the movable jaw plate has been working for a long time, the tooth plate with severe surface wear can be replaced, avoiding overall replacement and reducing the cost of use.

[0019] (2) This jaw mining crusher is used in conjunction with an adjustment plate, a No. 2 hydraulic rod and a crushing plate. When the crushing plate movably connected to the surface of the fixed jaw plate is worn to a certain extent, the No. 2 hydraulic rod is started to press the adjustment plate downward, so that the inclined groove on the adjustment plate presses the movable rod to move, so that the middle part of the crushing plate moves toward the outside of the fixed jaw plate, thereby improving the service life of the fixed jaw plate and being able to adjust the crushing gap between the fixed jaw plate and the movable jaw plate, and having strong practicality.

[0020] (3) This jaw mining crusher uses a No. 1 hydraulic rod, a connecting rod, an L-shaped plug rod and other components in coordination. The No. 1 hydraulic rod is started to press the movable plate to move, so that the movable plate moves and deflects with the connecting rod. At this time, the connecting rod moves with the hinged L-shaped plug rod on the support block and releases the plug from the socket, so that the tooth plate can be pulled out from the movable jaw plate, which is convenient for rapid replacement of damaged parts and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a front cross-sectional view of the overall structure of the present invention;

[0022] Figure 2 For the present invention Figure 1 A magnified view of the structure at center A;

[0023] Figure 3 For the present invention Figure 1 A magnified view of the structure at B in the middle;

[0024] Figure 4 It is a left sectional view of the flywheel and the sheave position of the present invention;

[0025] Figure 5 It is a top cross-sectional view of the local position of the clamping block and the L-shaped plug rod of the present invention;

[0026] Figure 6 It is a top sectional view of the local position of the crushing plate and the slot of the present invention.

[0027] In the figure: 1. frame; 2. main shaft; 3. flywheel; 4. groove wheel; 5. transmission belt; 6. transmission motor; 7. movable jaw plate; 8. toggle plate; 9. crushing mechanism; 901. rectangular groove; 902. tooth plate; 903. block; 904. socket; 10. clamping mechanism; 1001. movable groove; 1002. No. 1 hydraulic rod; 1003. movable plate; 1004. connecting rod; 1005. L-shaped plug rod; 1006. support block; 11. side guard plate; 12. fixed jaw plate; 13. adjustment mechanism; 1301. adjustment groove; 1302. adjustment plate; 1303. inclined groove; 1304. No. 2 hydraulic rod; 1305. slot; 1306 crushing plate; 1307. moving rod. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-5 A jaw mining crusher includes a frame 1, the upper part of the frame 1 is rotatably connected to a main shaft 2, the right end of the main shaft 2 is fixedly connected to a flywheel 3, the left end of the main shaft 2 is fixedly connected to a groove wheel 4, the surface of the groove wheel 4 is movably sleeved with a transmission belt 5, and one end of the transmission belt 5 is movably sleeved with a transmission motor 6.

[0030] A movable jaw plate 7 is fixedly sleeved in the middle of the main shaft 2, a toggle plate 8 is fixedly connected between the lower part of the movable jaw plate 7 and the inner wall of the frame 1, a crushing mechanism 9 is movably connected to the side wall of the movable jaw plate 7, and a clamping mechanism 10 matched with the crushing mechanism 9 is movably connected to the middle part of the movable jaw plate 7.

[0031] Side guard plates 11 cooperating with the movable jaw plate 7 are symmetrically fixedly connected to both sides of the frame 1, a fixed jaw plate 12 is fixedly connected between the two side guard plates 11, and an adjustment mechanism 13 is movably connected inside the fixed jaw plate 12. It should be noted that the side guard plates 11 can provide effective protection during the rock crushing process of the equipment, thereby improving the safety performance of the equipment.

[0032] In the present invention, the crushing mechanism 9 includes a rectangular groove 901, and two rectangular grooves 901 are provided. The two rectangular grooves 901 are symmetrically opened on the side wall of the movable jaw plate 7, and three tooth plates 902 are equidistantly and movably connected inside the rectangular groove 901. A clamping block 903 is fixedly connected to the middle of the tooth plate 902, and plug holes 904 are symmetrically opened on both sides of the clamping block 903. One end of the clamping block 903 passes through the rectangular groove 901 and is movably connected to the clamping mechanism 10 through the plug hole 904. It should be noted that the clamping block 903 is movably plugged with the L-shaped plug rod 1005 through the plug hole 904, and the clamping block 903 is limitedly installed.

[0033] In the present invention, the clamping mechanism 10 includes a movable groove 1001, and there are two movable grooves 1001. The two movable grooves 1001 are symmetrically opened in the middle of the movable jaw plate 7. The inner wall of the movable groove 1001 is fixedly connected to a hydraulic rod 1002, and one end of the hydraulic rod 1002 is fixedly connected to a movable plate 1003. Three connecting rods 1004 are hinged on both sides of the movable plate 1003 at equal distances. One end of the connecting rod 1004 is hinged to an L-shaped plug rod 1005, and the middle part of the L-shaped plug rod 1005 is movably sleeved with a support block 1006. The side wall of the support block 1006 is fixedly connected to the inner wall of the adjacent movable groove 1001, and one end of the L-shaped plug rod 1005 is movably inserted into the inside of the crushing mechanism 9. It should be noted that a limiting groove is provided in the middle of the support block 1006, the surface of the L-shaped rod 1005 is fixedly connected to the limiting block, and the L-shaped rod 1005 is slidably connected to the inside of the limiting groove through the limiting block, thereby improving the stability of the L-shaped rod 1005 during movement.

[0034] In the present invention, the top and bottom of the movable groove 1001 are provided with slide grooves, and the top and bottom of the movable plate 1003 are slidably connected to the inside of the two slide grooves. It should be noted that the stability of the movable plate 1003 during movement is improved by the coordinated use of the slide grooves.

[0035] In the present invention, the adjustment mechanism 13 includes an adjustment groove 1301, which is vertically opened in the middle of the fixed jaw plate 12. The adjustment groove 1301 is internally movably connected with an adjustment plate 1302. The surface of the adjustment plate 1302 is provided with four inclined grooves 1303. The top of the adjustment plate 1302 is fixedly connected with a No. 2 hydraulic rod 1304. The top of the No. 2 hydraulic rod 1304 is fixedly connected to the inner top surface of the fixed jaw plate 12.

[0036] A slot 1305 is vertically symmetrically provided on one side of the fixed jaw plate 12 away from the adjustment plate 1302, a crushing plate 1306 is movably inserted inside the slot 1305, and a moving rod 1307 is symmetrically fixedly connected to one side of the crushing plate 1306, one end of the moving rod 1307 passes through the slot 1305 and overlaps the inside of the corresponding inclined groove 1303.

[0037] In the present invention, a moving groove is vertically provided on the side wall of the adjusting groove 1301, the adjusting plate 1302 is slidably connected inside the moving groove, a guide rod is fixedly connected to the inner bottom surface of the adjusting groove 1301, and a guide hole matching the guide rod is provided at the bottom of the adjusting plate 1302. It should be noted that the stability of the adjusting plate 1302 during movement is improved by matching the guide rod with the guide hole.

[0038] In the present invention, the surface of the crushing plate 1306 is symmetrically fixedly connected with a support rod, one end of the support rod passes through the slot 1305 and is fixedly connected with a retaining ring, and the surface of the support rod is movably sleeved with a compression spring that matches the retaining ring.

[0039] In the present invention, a mounting plate is fixedly connected to the bottom of the transmission motor 6 , and one end of the mounting plate is fixedly connected to the side wall of the frame 1 .

[0040] When in use, when the crushing plate 1306 movably connected to the surface of the fixed jaw plate 12 is worn to a certain extent, the second hydraulic rod 1304 is started to press the adjusting plate 1302 downward, so that the inclined groove 1303 on the adjusting plate 1302 presses the moving rod 1307 to move. At this time, the middle part of the crushing plate 1306 moves toward the outside of the fixed jaw plate 12, and can continue to cooperate with the movable jaw plate 7 to crush the rock, thereby improving the service life of the fixed jaw plate 12 and adjusting the crushing gap between the movable jaw plate 7, which is highly practical. When it is necessary to replace the worn parts on the movable jaw plate 7, the first hydraulic rod 1002 is started to press the movable plate 100 3 moves, so that the movable plate 1003 moves and deflects with the hinged connecting rod 1004. At this time, the connecting rod 1004 moves with the hinged L-shaped plug rod 1005 on the support block 1006 to release the plugging connection with the plug hole 904, so that the tooth plate 902 can be drawn out from the movable jaw plate 7, which is convenient for quickly replacing the damaged parts and improving the work efficiency; when the L-shaped plug rod 1005 is released from the plugging connection with the plug hole 904, a single tooth plate 902 can be replaced, and the tooth plate 902 with serious surface wear after the movable jaw plate 7 has worked for a long time can be replaced, thereby avoiding the need to replace the movable jaw plate 7 as a whole, thereby reducing the use cost.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A jaw mining crusher, comprising a frame (1), characterized in that: The upper part of the frame (1) is rotatably connected to a main shaft (2), the right end of the main shaft (2) is fixedly connected to a flywheel (3), the left end of the main shaft (2) is fixedly connected to a groove wheel (4), a transmission belt (5) is movably sleeved on the surface of the groove wheel (4), and one end of the transmission belt (5) is movably sleeved to a transmission motor (6); A movable jaw plate (7) is fixedly sleeved on the middle part of the main shaft (2); a toggle plate (8) is fixedly connected between the lower part of the movable jaw plate (7) and the inner wall of the frame (1); a crushing mechanism (9) is movably connected to the side wall of the movable jaw plate (7); and a clamping mechanism (10) that cooperates with the crushing mechanism (9) is movably connected to the middle part of the movable jaw plate (7); Side guard plates (11) matching with the movable jaw plate (7) are symmetrically fixedly connected to both sides of the frame (1), a fixed jaw plate (12) is fixedly connected between the two side guard plates (11), and an adjustment mechanism (13) is movably connected inside the fixed jaw plate (12); The pulverizing mechanism (9) comprises a rectangular groove (901), wherein the number of the rectangular grooves (901) is two, and the two rectangular grooves (901) are symmetrically arranged on the side wall of the movable jaw plate (7); three tooth plates (902) are equidistantly and movably connected inside the rectangular groove (901); a clamping block (903) is fixedly connected to the middle of the tooth plate (902); plug holes (904) are symmetrically arranged on both sides of the clamping block (903); one end of the clamping block (903) passes through the rectangular groove (901) and is movably connected to the clamping mechanism (10) via the plug hole (904); The clamping mechanism (10) comprises a movable groove (1001), wherein the number of the movable grooves (1001) is two, and the two movable grooves (1001) are symmetrically arranged in the middle of the movable jaw plate (7); the inner wall of the movable groove (1001) is fixedly connected to a No. 1 hydraulic rod (1002); one end of the No. 1 hydraulic rod (1002) is fixedly connected to a movable plate (1003); three connecting rods (1004) are hingedly connected at equal distances on both sides of the movable plate (1003); one end of the connecting rod (1004) is hingedly connected to an L-shaped plug rod (1005); the middle part of the L-shaped plug rod (1005) is movably sleeved with a support block (1006); the side wall of the support block (1006) is fixedly connected to the inner wall of the adjacent movable groove (1001); and one end of the L-shaped plug rod (1005) is movably inserted into the interior of the crushing mechanism (9); The adjustment mechanism (13) comprises an adjustment groove (1301), the adjustment groove (1301) is vertically opened in the middle of the fixed jaw plate (12), an adjustment plate (1302) is movably connected inside the adjustment groove (1301), four inclined grooves (1303) are opened on the surface of the adjustment plate (1302), a second hydraulic rod (1304) is fixedly connected to the top of the adjustment plate (1302), and the top of the second hydraulic rod (1304) is fixedly connected to the inner top surface of the fixed jaw plate (12); A slot (1305) is vertically symmetrically provided on one side of the fixed jaw plate (12) away from the adjustment plate (1302); a crushing plate (1306) is movably inserted into the slot (1305); a moving rod (1307) is symmetrically fixedly connected to one side of the crushing plate (1306); one end of the moving rod (1307) passes through the slot (1305) and overlaps the inside of the corresponding inclined groove (1303).

2. A jaw mining crusher according to claim 1, characterized in that: The top and bottom of the movable groove (1001) are both provided with sliding grooves, and the top and bottom of the movable plate (1003) are respectively slidably connected inside the two sliding grooves.

3. A jaw mining crusher according to claim 2, characterized in that: A movable groove is vertically provided on the side wall of the adjustment groove (1301), the adjustment plate (1302) is slidably connected inside the movable groove, a guide rod is fixedly connected to the inner bottom surface of the adjustment groove (1301), and a guide hole matching the guide rod is provided at the bottom of the adjustment plate (1302).

4. A jaw mining crusher according to claim 3, characterized in that: The surface of the crushing plate (1306) is symmetrically fixedly connected to a support rod, one end of the support rod passes through the slot (1305) and is fixedly connected to a retaining ring, and the surface of the support rod is movably sleeved with a compression spring that matches the retaining ring.

5. A jaw mining crusher according to claim 4, characterized in that: A mounting plate is fixedly connected to the bottom of the transmission motor (6), and one end of the mounting plate is fixedly connected to the side wall of the frame (1).

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