SU1377189A1 - Mixer - Google Patents

Abstract

The invention relates to devices for the preparation of building mixtures and will increase the convenience of operation. The mixer includes a housing, a rotor with blades, an actuator, a skip bucket, a discharge opening, a bolt with a transfer device - and is equipped with a lever with stops 22 and 23. The gear unit is designed as a crank 10, a connecting rod 11, a rocker arm 12 rigidly connected to the bolt 9 and a kinematic connection having a driven sprocket 13, a chain 14, a driving sprocket 15 mounted on the rotor 2. At the same time, a ratchet wheel 16 is mounted on the driven sprocket 13, and on the crank 10 there is a spring-loaded dog 17. f-ly, 2 ill. I / U

Description

The invention relates to the building materials industry and can be used in devices for the preparation of building mixtures.

The aim of the invention is to improve the usability.

Figure 1 shows the mixer, the overall VID1 figure 2 - crank-lever system, a General view.

The mixer includes a housing 1, in which a rotor 2 is placed, fixed on it by means of brackets 3 blades 4 and an actuator 5. The mixer is loaded with a skip bucket 6, the lifting and lowering of which is carried out by the actuator 7. The discharge opening 8 is located in the bottom of the housing 1 and is equipped with sector gate 9. On the housing 1 of the mixer, there is a transfer device for driving the mixer in the form of a crank 10, a connecting rod 11 and a rocker arm 12, rigidly connected to the gate 9. On one axis with the crank 10, a sprocket 13 is installed, connected by a roller chain 14 with a leading sprocket 15. The driving sprocket 15 is fixed rigidly on the rotor shaft 2, a ratchet wheel 16 is mounted on the driven sprocket 13, and a pawl 17 with a spring 18 is attached to the crank 10 from below. The control lever 19 is mounted under the support 20 the crank 10 and moves in the guides 21. On the lever 19 two stops 22 and 23 are fixed. The stroke of the lever 19 is limited by a pin 24 located in the slot in it. On the ratchet wheel 16 there is a notch 25, on the dog 17 there is a tooth 26 and a protrusion 27, and on the crank 10 a protrusion 28.

The mixer works as follows

The rotor 2 drive 5 is turned on, a skip ladle 6 in the lower position is loaded with mixture components, after which the drive 7 is turned on, the contents of the bucket 6 are lifted and tilted into the mixer body 1, where the mixture is mixed.

The driving sprocket 15, fixed on the rotor shaft 2, rotates together with it and, through the chain 14, transmits rotation to the driven sprocket 13. The crank 10 is not connected to the driven sprocket 13, its protrusion 28 and high

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45

35

50

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blunt 27 dogs 17 are in contact with the stop 23 of the lever 19, while the tooth

The dog T7 is removed from the recess 25 of the ratchet wheel 16, and the spring 18 is stretched. The shutter 9 closes the discharge opening 8. After the end of mixing to discharge the finished mixture, the lever 19 moves in the direction of arrow A (Fig. 2). In this case, the stop 23 comes off the protrusion 28 of the crank 10 and the protrusion 27 of the pawl 17, the spring 18 rotates the pawl 17, its tooth 26 presses against the ratchet wheel 16. As the notch 25 of the ratchet box

scaffolding 16, the tooth 26 engages with it, whereby the rotation is transmitted to the crank 10, which by means of the connecting rod 11 and the rocker arm 12 rotates the bolt 9. With further rotation of the crank 10 together with the driven sprocket 13, the protrusion

27 of the pawl 17 interacts with the stop 22 of the lever 19, the pawl 17 deflects, its tooth 26 leaves the recess 25 of the ratchet wheel 16 and the crank 10 disassociates from the driven sprocket 13, the protrusion 28 contacts the stop 22. The gate 9 is open and the mixture discharged from the mixer through the discharge opening 8. After the unloading is completed, the lever 19 moves in the direction of the arrow

B (figure 2). Stop 22 comes off the ledge

28 of the crank 10 and the protrusion 27 of the pawl 17. The entire cycle repeats in the same order, with the result that the shutter 9 closes the discharge opening 8 of the mixer.

Claims (2)

1. The mixer, comprising a housing with a loading opening, a skip bucket, a blade rotor, a drive and a bolt with a transfer device, in order to increase the convenience of operation, it is equipped with a lever located in guides and fixed on the housing with stops and the transfer device is made in the form of a ratchet-type crank-lever system connected to the rotor shaft by means of a kinematic connection, which has a driving and driven link, and a spring-loaded dog is attached to the crank, and ohm link established ratchet wheel. Yu 313771894 2. The mixer according to claim 1, about tl and h and is spring-loaded — the dog has projections, such that the crank is in contact with the stops of the lever. eight  rig.