Jaw clutch for feeding roller of flour mill

Abstract

The utility model discloses a flour mill feeding roller jaw clutch which comprises a feeding roller and a clutch assembly which are arranged in a main machine shell, the clutch assembly comprises a transmission belt wheel arranged on one side of the main machine shell, the transmission belt wheel is fixedly connected with a driving shaft barrel, and the driving shaft barrel is rotationally connected with a first assembly outer sleeve. The driven shaft cylinder and the feeding roller are coaxially arranged, an annular protrusion is integrally arranged on the side face of the periphery of one end of the driven shaft cylinder, an assembly hole is formed in the outer side of the periphery of the first assembly outer sleeve and rotationally connected with a pin rod, and the end of the pin rod is connected with a clutch shifting plate; the driven shaft cylinder is slidably connected with a feeding roller shaft head, and a second assembly outer sleeve is arranged on the side face of the main machine shell and connected with the feeding roller shaft head through a first rolling bearing. Starting and stopping of the feeding roller are flexibly controlled through the traction rope, and compared with a pneumatic clutch, the jaw clutch has the advantages of being low in cost and rapid and reliable in combination.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding mill equipment, in particular to a grinding mill feeding roller tooth clutch. Background Art

[0002] The feeding roller clutch of the grinding mill is an indispensable device of the grinding mill, among which the feeding roller clutch includes pneumatic clutch and electromagnetic clutch. The patent number is "CN210769911U", and the patent name is "a kind of friction clutch of the feeding roller of the grinding mill", which is a utility model patent. It includes a driving wheel and a driving shaft, which are connected to achieve the function of transmitting torque. The driven part is the driven shaft, which can be connected to the feeding roller shaft through the wedge-shaped interface at the shaft end. The clutch body is an eccentric shaft, a clutch sleeve, a friction plate return spring, etc. When the eccentric shaft rotates, the clutch sleeve is controlled to move axially to push the friction plate to engage or separate, so as to achieve the engaged or disengaged state.

[0003] However, the above clutches still have certain disadvantages in certain usage situations: the above pneumatic clutches require an air source, and the electromagnetic clutches require a voltage-stabilized power supply, which have the disadvantages of high cost, high energy consumption, high failure rate, and difficult maintenance, and cannot be guaranteed in application. Therefore, a grinding mill feed roller tooth clutch is proposed to solve the above defects. Summary of the invention

[0004] The utility model overcomes the shortcomings of the prior art and provides a feeding roller tooth clutch for a grinding mill.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a grinding mill feeding roller tooth clutch, comprising: a grinding mill feeding roller tooth clutch, comprising: a feeding roller and a clutch assembly arranged in a main engine housing, the clutch assembly comprising: a transmission pulley arranged on one side of the main engine housing, the transmission pulley is fixedly connected to a driving shaft cylinder, the driving shaft cylinder is rotatably connected to a first assembly sleeve, the other end of the first assembly sleeve is rotatably connected to a driven shaft cylinder, the driven shaft cylinder is coaxially arranged with the feeding roller, an annular protrusion is integrally arranged on the outer peripheral side of one end of the driven shaft cylinder, an assembly hole is arranged on the circumferential outer side of the first assembly sleeve, the assembly hole is rotatably connected to a pin rod, the end of the pin rod is connected to a clutch plate, and the clutch plate cooperates with the annular protrusion; the driven shaft cylinder is slidably connected to the feeding roller shaft head, a second assembly sleeve is arranged on the side of the main engine housing, and the second assembly sleeve is connected to the feeding roller shaft head through a first rolling bearing.

[0006] In a preferred embodiment of the utility model, a mounting hole is arranged at the axis position of the second assembly sleeve, a return spring is arranged in the mounting hole, and the return spring is connected to the driven shaft cylinder.

[0007] In a preferred embodiment of the utility model, a one-way driving gear disc is integrally provided at the end of the driving shaft tube, and a one-way driven gear disc is provided at the end of the driven shaft tube, and the one-way driving gear disc is meshingly connected with the one-way driven gear disc.

[0008] In a preferred embodiment of the utility model, the driving shaft is connected to the end of the feeding roller shaft head through a plurality of second rolling bearings.

[0009] In a preferred embodiment of the utility model, the other end of the pin rod is fixedly connected to the eccentric rocker arm, and one end of the eccentric rocker arm is connected to the pulling rope.

[0010] In a preferred embodiment of the present invention, the first assembly sleeve and the second assembly sleeve are fixedly connected by positioning pins.

[0011] The utility model solves the defects existing in the background technology, and has the following beneficial effects:

[0012] (1) The utility model drives the eccentric rocker arm to rotate by pulling the pulling rope, and the clutch plate pushes the driven shaft cylinder to compress the reset spring, so that the driven shaft cylinder slides axially until the one-way driving gear disc and the one-way driven gear disc are disengaged from each other, and the feeding roller stops rotating without driving force. The pulling rope is released, and the driven shaft cylinder slides axially under the supporting force of the reset spring until the one-way driving gear disc and the one-way driven gear disc are engaged with each other, and the feeding roller starts to rotate. The start and stop of the feeding roller can be flexibly controlled by the pulling rope. Compared with the pneumatic clutch, the tooth clutch has the advantages of low cost, rapid engagement and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 It is a three-dimensional structural diagram of a preferred embodiment of the utility model;

[0015] Figure 2 It is a plan view of a preferred embodiment of the utility model;

[0016] Figure 3 It is a cross-sectional schematic diagram of a clutch assembly of a preferred embodiment of the utility model;

[0017] Figure 4 It is an exploded schematic diagram of a clutch assembly of a preferred embodiment of the utility model;

[0018] Figure 5 It is a three-dimensional structural diagram of a transmission pulley of a preferred embodiment of the utility model;

[0019] Figure 6 It is a cross-sectional schematic diagram of the second assembled jacket of the preferred embodiment of the utility model;

[0020] Figure 7 It is a three-dimensional structural diagram of a feeding roller of a preferred embodiment of the utility model;

[0021] Figure 8 It is a three-dimensional structural diagram of the driven shaft cylinder of the preferred embodiment of the utility model;

[0022] Fig. 9 It is a three-dimensional structural diagram of the eccentric rocker arm of the preferred embodiment of the utility model.

[0023] Specifically, 1. main body housing; 2. transmission pulley; 3. driving shaft cylinder; 4. first assembly sleeve; 5. driven shaft cylinder; 6. annular protrusion; 7. assembly hole; 8. pin rod; 9. clutch plate; 10. feed roller shaft head; 11. feed roller; 12. second assembly sleeve; 13. first rolling bearing; 14. mounting hole; 15. reset spring; 16. one-way driving gear disc; 17. one-way driven gear disc; 18. second rolling bearing; 19. eccentric rocker arm; 20. positioning pin. DETAILED DESCRIPTION

[0024] The present invention will now be further described in detail in conjunction with the accompanying drawings and embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0025] like Figure 1 , Figure 2 and Figure 4 As shown, a tooth clutch for feeding roller of a grinding mill comprises: a tooth clutch for feeding roller of a grinding mill comprises: a feeding roller 11 and a clutch assembly arranged in a main engine housing 1, the clutch assembly comprises: a driving pulley 2 arranged on one side of the main engine housing 1, the driving pulley 2 is fixedly connected to a driving shaft cylinder 3, the driving shaft cylinder 3 is rotatably connected to a first assembly sleeve 4, the other end of the first assembly sleeve 4 is rotatably connected to a driven shaft cylinder 5, the driven shaft cylinder 5 is coaxially arranged with the feeding roller 11, an annular protrusion 6 is integrally arranged on the outer peripheral side of one end of the driven shaft cylinder 5, an assembly hole 7 is arranged on the outer peripheral side of the first assembly sleeve 4, the assembly hole 7 is rotatably connected to a pin rod 8, the end of the pin rod 8 is connected to a clutch plate 9, and the clutch plate 9 cooperates with the annular protrusion 6; the driven shaft cylinder 5 is slidably connected to the feeding roller shaft head 10, and a second assembly sleeve 12 is arranged on the side of the main engine housing 1. It should be noted that the first assembly sleeve 4 and the second assembly sleeve 12 are fixedly connected by a positioning pin 20, which is convenient for the disassembly and assembly of the overall equipment.

[0026] like Figure 3 and Figure 7 As shown, in a preferred embodiment of the utility model, the second assembly sleeve 12 is connected to the feed roller shaft head 10 through the first rolling bearing 13, and the driving shaft cylinder 3 is connected to the end of the feed roller shaft head 10 through a plurality of second rolling bearings 18, which are used to assist the feed roller 11 in stable operation.

[0027] like Figure 5 , Figure 8 and Fig. 9 As shown, in a preferred embodiment of the utility model, a one-way driving toothed disc 16 is integrally provided at the end of the driving shaft cylinder 3, and a one-way driven toothed disc 17 is provided at the end of the driven shaft cylinder 5. The one-way driving toothed disc 16 is meshingly connected with the one-way driven toothed disc 17. The other end of the pin rod 8 is fixedly connected to the eccentric rocker arm 19, and one end of the eccentric rocker arm 19 is connected to a pulling rope (not shown in the figure). The eccentric rocker arm 19 is driven to rotate by the pulling rope, and the clutch plate 9 pushes the driven shaft cylinder 5 to compress the reset spring 15, so that the driven shaft cylinder 5 slides axially until the one-way driving toothed disc 16 and the one-way driven toothed disc 17 are disengaged from each other, and the feeding roller 11 loses the driving force and stops rotating.

[0028] like Figure 4 and Figure 6 As shown, in a preferred embodiment of the utility model, a mounting hole 14 is provided at the axial position of the second assembly sleeve 12, and a reset spring 15 is provided in the mounting hole 14. The reset spring 15 is connected to the driven shaft cylinder 5. The pulling rope is loosened, and the driven shaft cylinder 5 slides axially under the supporting force of the reset spring 15 until the one-way driving gear disc 16 and the one-way driven gear disc 17 are engaged with each other, and the feeding roller 11 starts to rotate. The start and stop of the feeding roller 11 is flexibly controlled by the pulling rope. Compared with the pneumatic clutch, the tooth clutch has the advantages of low cost and rapid and reliable engagement.

[0029] The working principle of the utility model is as follows: the eccentric rocker arm 19 is driven to rotate by pulling the wire, the eccentric rocker arm 19 drives the pin rod 8 to rotate, the pin rod 8 drives the clutch plate 9 to rotate, the clutch plate 9 pushes the driven shaft cylinder 5 to compress the reset spring 15, so that the driven shaft cylinder 5 slides axially until the one-way driving toothed disc 16 and the one-way driven toothed disc 17 are disengaged from each other, the feeding roller 11 loses the driving force and stops rotating, the pulling rope is released, and under the supporting force of the reset spring 15, the driven shaft cylinder 5 slides axially until the one-way driving toothed disc 16 and the one-way driven toothed disc 17 are meshed with each other, and the feeding roller 11 starts to rotate.

[0030] The above is based on the ideal embodiment of the utility model. Through the above description, relevant personnel can make various changes and modifications without deviating from the technical concept of the utility model. The technical scope of this utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. Grinding mill feed roller tooth clutch, including: A feeding roller (11) and a clutch assembly are arranged in a main body housing (1), characterized in that the clutch assembly comprises: a transmission pulley (2) arranged on one side of the main body housing (1), the transmission pulley (2) is fixedly connected to a driving shaft cylinder (3), the driving shaft cylinder (3) is rotatably connected to a first assembly sleeve (4), the other end of the first assembly sleeve (4) is rotatably connected to a driven shaft cylinder (5), the driven shaft cylinder (5) is coaxially arranged with the feeding roller (11), and the outer peripheral side surface of one end of the driven shaft cylinder (5) is integrally arranged An annular protrusion (6); an assembly hole (7) is arranged on the circumferential outer side of the first assembly sleeve (4); the assembly hole (7) is rotatably connected to a pin rod (8); the end of the pin rod (8) is connected to a clutch plate (9); the clutch plate (9) and the annular protrusion (6) cooperate with each other; the driven shaft cylinder (5) is slidably connected to a feed roller shaft head (10); a second assembly sleeve (12) is arranged on the side of the main body housing (1); the second assembly sleeve (12) is connected to the feed roller shaft head (10) via a first rolling bearing (13).

2. The grinding mill feed roller tooth clutch according to claim 1, characterized in that: A mounting hole (14) is provided at an axial position of the second assembly sleeve (12), a return spring (15) is provided in the mounting hole (14), and the return spring (15) is connected to the driven shaft cylinder (5).

3. The grinding mill feed roller tooth clutch according to claim 1, characterized in that: A one-way driving toothed disc (16) is integrally provided at the end of the driving shaft cylinder (3), and a one-way driven toothed disc (17) is provided at the end of the driven shaft cylinder (5), and the one-way driving toothed disc (16) is meshingly connected with the one-way driven toothed disc (17).

4. The grinding mill feed roller tooth clutch according to claim 1, characterized in that: The driving shaft cylinder (3) is connected to the end of the feeding roller shaft head (10) via a plurality of second rolling bearings (18).

5. The grinding mill feed roller tooth clutch according to claim 1, characterized in that: The other end of the pin rod (8) is fixedly connected to an eccentric rocker arm (19), and one end of the eccentric rocker arm (19) is connected to a pulling rope.

6. The grinding mill feed roller tooth clutch according to claim 1, characterized in that: The first assembly sleeve (4) and the second assembly sleeve (12) are fixedly connected via a positioning pin (20).

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