RU170126U1 - MEAT MASSAGE DEVICE - Google Patents

Abstract

The utility model relates to the meat industry, namely, devices for softening meat raw materials by massaging at the stage of salting in the production of sausages and ham products at the enterprises of the meat industry and catering. The device contains a frame, a drum and a drive source in which the drum is equipped with two fingers, pivotally connected with two cranks with geometric axes of hinges located at an angle α, whose axes are spaced apart from each other, while the geometric axes of the crankshafts and the finger in the drum are located at right angles and are separated from each other at a distance equal. The device provides massaging of meat with adjustable inertial action and spatial movement of the drum with a high degree of intensification and quality of meat processing with a simple design.

Description

The utility model relates to the meat industry, namely, devices for softening meat raw materials by massaging at the ambassador stage in the production of sausages and ham products at the enterprises of the meat industry and catering.

A device for massaging meat according to the patent of the Russian Federation No. 2118493 / IPC A22C 9/00, published September 10, 1998 /. The device comprises a frame mounted on a horizontal shaft with the possibility of simultaneous rotation and rocking movement in a vertical plane, a drum with a cover for loading and unloading raw materials, a drive and a control panel. The drum is a triangular prism, the end faces of which are made in the form of regular triangles and are located asymmetrically one relative to the other, and the axis of rotation is aligned with the centers of symmetry of these faces.

The disadvantages of the known device are the complexity of its manufacture due to the complex design of the drum, the unsatisfactory quality of the raw materials at the exit due to the weak force impact on the meat material, the duration of the processing process.

The closest analogue is a device for ed. No. 902696, А22С 7/00, claimed on 10/22/79, published on 02/07/82, Bull. No. 5. The device has a capacity, frame, mechanism of oscillatory motion, supports moving relative to each other.

The disadvantage of this device is the small degree of impact on the processed meat, the complexity and unreliability of the device, the unsatisfactory quality of processing.

The purpose of creating a utility model is to simplify the design of the device, increase the processing intensity and improve the quality of raw materials.

Disclosure of a utility model.

The claimed utility model is based on the task of creating a new technology for the application of inertial controlled force effects of processing raw meat in the process of salting.

The technical result is a simplification of the design of the device, a significant reduction in the duration of the process, improving the quality of the finished product.

, при этом геометрические оси валов кривошипов и пальцев барабана расположены под прямым углом и удалены друг от друга на расстоянии

, равном

.The goal is achieved in that in a device for massaging meat containing a frame, a drum and a drive source, characterized in that the drum is equipped with two fingers pivotally connected to two cranks with geometric axes of hinges at an angle α whose axes are spaced apart from each other at a distance

while the geometric axis of the shafts of the cranks and fingers of the drum are located at right angles and are removed from each other at a distance

equal to

.

The figure shows a diagram of a device for massaging meat, which contains a frame 1, on which is fixed the source of the drive 2 (gear motor or electric motor with gear). A drive crank 5 is fixed to the output shaft 4 of the drive source 2. A second, driven crank 9 is mounted in the cup 3, the latter is mounted on the frame 1.

The leading crank 5 is pivotally connected to the finger 6 of the drum 7, the driven crank 9 is also pivotally connected to the second finger 10 of the drum 7.

.The geometric axis of the hinges of both cranks 5 and 9 are located at an angle α and are separated from each other at a distance

.

, равном

.The geometric axis of the fingers 6 and 10, respectively, of the shaft 4 and shaft 8 of the driven crank 9 are located at right angles and are spaced from each other at a distance

equal to

.

0,7…0,8 от длины выбранного барабана.The angle α of the geometric axes of the hinges of the cranks 5 and 9 can be assigned within 10 ... 35 °, the distance

0.7 ... 0.8 of the length of the selected drum.

On the cranks 5 and 9, counterweights 11 are fixed to balance the mass of the drum.

The drum has lids (not shown in the diagram) for loading and unloading material for processing meat.

The device operates as follows.

Pieces of meat with a solution of salting are loaded into the drum 7 through the loading lid (not shown in the diagram) to 0.6 ... 0.7 of the volume of the drum. The source of the drive 2 is turned on, from which the rotation is transmitted to the leading crank 5, through the finger 6 of the drum 7 and through the finger 10 of the driven crank 9.

Since the rotation with constant angular velocity of the leading crank 5 is located in the vertical plane, and the rotation of the driven crank 9 in the horizontal plane with variable angular velocity, the drum 7 has a complex spatial uneven movement within one revolution.

The maximum value of ω _{max the} angular velocity of the driven crank 9 is determined by the formula,

the minimum value according to the formula

where α is the angle of the geometric axes of the hinges of the cranks;

ω is the angular velocity of the leading crank.

The strength of the impact of P (N) on a piece of meat in the drum is determined by the formula

where m is the mass of a piece of meat, kg;

- длина кривошипов, м;

- the length of the cranks, m;

ω _max - the maximum value of the angular velocity of the driven crank, rad / s;

ε is the angular acceleration of the driven crank, rad / s ² .

At each revolution, the forces of action P will act on the meat pieces, which will simultaneously massage the meat upon impact with the end wall of the drum and introduce a salting solution into the meat structure.

The process of high-quality processing of meat takes no more than 4 ... 5 minutes, against 40 ... 60 minutes in the prototype with lower processing quality indicators.

The implementation of the invention.

.For the practical need of massaging meat in a salting solution, the drum capacity is assigned and the diameter and length of the drum are determined. For example, take a drum capacity of 10 liters (diameter 21 cm, length 30 cm). For the selected drum, assign a distance

.

определится из выражения

,We take the angle α of the geometric axes of the hinges of the cranks equal to 15 °, then the length of the cranks

determined from the expression

,

.

.

,

, угол между геометрическими осями валов вращения кривошипов, то же самое угол между геометрическими осями шарниров шатуна равен 90°.Thus, the device has the following parameters: drum capacity 10 l, angle α = 15 °,

,

, the angle between the geometric axes of the shafts of rotation of the cranks, the same angle between the geometric axes of the connecting rod joints is 90 °.

We take the rotation frequency of the leading crank 120 min ^-1 , which corresponds to the angular velocity ω = πn / 30 = 3.14⋅120 / 30 = 12.56 rad / s.

.The maximum value of the angular velocity of the driven crank will be (formula 1),

.

The minimum value (formula 2) is equal to

.

.

The force of influence on the pieces of meat in the drum is determined by the formula (3), we take pieces of meat weighing 2 kg, the inertial force will be equal to (angular acceleration ε = ω / t, the time t of one revolution will be 120/60 = 2 s, the change in the angular velocity occurs half a turn, i.e. in 1 s and the angular acceleration is ω = ω / t = 16.37 / 1 = 16.37 rad / s ² )

.

.

Thus, each piece of meat weighing 2 kg at each revolution will be affected by the inertial force P = 27.75 N, which will simultaneously massage the meat when it hits the end cap of the drum and soak in a salting solution. It is sufficient to influence the quality processing of pieces of meat for 4 ... 5 minutes.

You can adjust the inertial force of the impact on the pieces of meat with the angle α of the location of the axes of the hinges of the cranks within 10 ... 35 ° and the speed of rotation of the cranks.

Claims (1)

A meat massaging device comprising a frame, a drum and a drive source, characterized in that the drum is provided with two fingers pivotally connected to two cranks with geometric axes of the hinges at an angle α, the axes of which are spaced apart from each other at a distance

while the geometric axis of the shafts of the cranks and fingers of the drum are located at right angles and are removed from each other at a distance

equal to

.

Images