CN219600492U - Buffer device for prolonging service life of feed preparation machine - Google Patents

Abstract

The utility model relates to a buffer device for prolonging the service life of a feed material making machine, which belongs to the technical field of stamping dies; it includes a top plate and a base, an upper die is provided at the bottom of the top plate, and a die head is provided at the bottom of the upper die; a lower die is provided at the top of the base There is a feed trough on the top of the lower mold, and a pneumatic telescopic rod is provided between the top plate and the base; a first buffer spring is provided outside the piston rod of the pneumatic telescopic rod; a buffer mechanism and a vibration damping mechanism are provided between the base and the lower mold , under the action of the pneumatic telescopic rod, the upper die moves downward, the die head stamps the material in the feed tank, and the first buffer spring, buffer mechanism, and vibration damping mechanism all play a buffer role. The utility model uses the first buffer spring, The buffer mechanism and the damping structure make the punching of the lower die by the upper die reduce the punching force on the lower die, thereby reducing the damage of the lower die and prolonging the service life of the punching device. Lack of cushioning device, or poor cushioning effect of stamping device.

Description

A buffer device for prolonging the service life of feed making machine

technical field

The utility model relates to a buffer device for prolonging the service life of a feed making machine, which belongs to the technical field of stamping dies.

Background technique

At present, the feed preparation mostly uses stamping settings to press the feed into round cakes or pellets, etc., but in small animal farms, large-scale feed feed machines cannot be used, and many small and medium-sized feed machines currently lack buffer devices, or When the stamping device stamps the lower die with the upper die, the lower die is easily damaged by the impact force, thereby shortening the service life of the equipment and increasing the cost of small and medium-sized animal farms. Therefore, a buffer structure is required to absorb the impact force and reduce the damage of the lower die.

Utility model content

The purpose of the utility model is to solve the deficiencies in the prior art, provide a buffer device that prolongs the service life of the feed material making machine, and solve the problems of the existing punching device that the upper and lower molds are damaged due to the punching pressure and the buffering effect is poor.

In order to achieve the above purpose, the utility model is achieved through the following technical solutions: a buffer device for prolonging the service life of the feed making machine, including a top plate and a base, the bottom of the top plate is provided with an upper mold, and the bottom of the upper mold is provided with a mold head; the top of the base is provided with a lower mold, the top of the lower mold is provided with a feed tank, and a pneumatic telescopic rod is provided between the top plate and the base; the piston rod of the pneumatic telescopic rod is provided with a first buffer spring; A cushioning mechanism and a vibration damping mechanism are arranged between the base and the lower mold. Under the action of the pneumatic telescopic rod, the upper mold moves downward, and the die head punches the material in the feed trough. The first buffer spring, the buffer mechanism, and the vibration damping mechanism All institutions act as buffers.

Preferably, the buffer mechanism includes a buffer rod and a second buffer spring; the base is provided with a buffer rod installation hole, one end of the buffer rod is slidably disposed in the buffer rod installation hole, and the other end of the buffer rod is connected to the bottom of the lower mold, The second buffer spring is arranged above the installation hole of the buffer rod and sleeved on the buffer rod.

Preferably, one end of the buffer rod is provided with a connecting block, the two sides of the connecting block are respectively provided with sliders, the inner wall of the buffer rod installation hole is provided with a chute matching the slider, and the slider is slidably engaged on the inside the chute.

When the upper die descends to stamp the lower die, the buffer rod slides downward in the buffer rod installation hole under the punching force of the upper die, and at the same time, the bottom of the lower die squeezes and deforms the second buffer spring to buffer the pressure .

Preferably, the damping mechanism includes an upper cross bar and a lower cross bar, and a damping buffer is provided between the upper cross bar and the lower cross bar; the upper cross bar is arranged at the bottom of the lower mold, and the lower cross bar The rod is arranged on the top of the base, and the outer wall of one end of the damping buffer connected to the lower cross bar is provided with an X-shaped hinge rod; the X-shaped hinge rod includes a first hinge rod, a second hinge rod, and a hinge rod between the first hinge rod and the second hinge rod. Hinge connection in a cross form, the upper end of the first hinge rod and the upper end of the second hinge rod are slidingly connected to the upper cross bar, the upper end of the first hinge rod is respectively provided with a third buffer spring A on both sides, and the upper end of the second hinge rod is two The third buffer spring B is respectively provided on the side, and the third buffer spring A and the third buffer spring B are both sleeved on the upper cross bar; the lower end of the first hinge rod and the lower end of the second hinge rod are both slidably connected to the lower cross bar , both sides of the lower end of the first hinge rod are respectively provided with a third buffer spring C, and both sides of the lower end of the second hinge rod are respectively provided with a third buffer spring D, and the third buffer spring C and the third buffer spring D are both set Set on the lower crossbar.

Preferably, the bottom of the lower mold is provided with an upper crossbar installation groove, and the upper crossbar is arranged in the upper crossbar installation groove, and the top of the base is provided with a lower crossbar installation groove, and the lower crossbar is arranged in the lower crossbar installation groove. In the installation groove, the upper cross bar corresponds to the lower cross bar; the upper end of the first hinge rod is provided with a first sliding sleeve A, the first sliding sleeve A is slidably arranged on the upper cross bar, and the lower end of the first hinge rod is provided with The first sliding sleeve B, the first sliding sleeve B is slidably arranged on the lower cross bar; the upper end of the second hinge rod is provided with the second sliding sleeve A, the second sliding sleeve A is slidably arranged on the upper cross bar, and the lower end of the second hinge rod A second sliding sleeve B is provided, and the second sliding sleeve B is slidably arranged on the lower cross bar.

The upper mold descends to stamp the lower mold, and the lower mold descends under the action of the buffer rod, so that the angle between the first hinge rod and the second hinge rod becomes larger, and the first sliding sleeve A of the first hinge rod and the second hinge rod The second sliding sleeve A of the hinge lever moves in the opposite direction, the third buffer spring A is extruded and deformed during the movement of the first sliding sleeve A, and the third buffer spring B is extruded and deformed during the movement of the second sliding sleeve A; the first The first sliding sleeve B of the hinge lever and the second sliding sleeve B of the second hinge lever move in opposite directions. The third buffer spring C is squeezed and deformed during the movement of the first sliding sleeve B, and the second sliding sleeve B is moved so that The third buffer spring D is extruded and deformed, so as to realize the further buffering effect of the damping mechanism on the stamping device.

Preferably, the damping buffer includes a hydraulic cylinder, a hydraulic cylinder cover, and a piston rod. The hydraulic cylinder and the hydraulic cylinder cover are slidably provided with a piston rod, and the bottom of the hydraulic cylinder is connected to the middle part of the lower cross bar. The top of the piston rod is connected to the middle part of the upper cross bar. This solution provides a structure for damping and buffering. The damping buffer is an existing technology, and those skilled in the art can make conventional selections according to needs, and do not make too many details here.

Preferably, a positioning hole is provided at the bottom of the upper die, and a positioning rod is provided at the top of the lower die, the positioning hole corresponds to the positioning rod, and the positioning rod matches the positioning hole.

Preferably, the inner bottom of the feed trough is provided with a mould, the mold is provided with several outlets, the side wall of the feed trough is provided with connection holes, and the connection holes are used to connect hoses so that the feed enters the feed trough. A hob is arranged under the mold; the damping mechanism is arranged on both sides of the hob.

There are round cake piles and granular feeds. A mold with a discharge port is installed in the feed trough, and punched through the upper die. The feed is extruded from the discharge port and cut into pellets by a hob. Technical solution The middle hob belongs to the prior art, and those skilled in the art can make conventional selections according to needs, and details will not be repeated here.

Preferably, the discharge port is located in the middle of the mould, and an ejection mechanism is provided below the mold, and the ejection mechanism and the discharge port are arranged in dislocation, and the ejection mechanism is located on both sides of the hob; the ejection mechanism It includes positive and negative tooth screw, ejector block and motor; the output end of the motor is connected to one side of the positive and negative tooth screw, and the two ends of the positive and negative tooth screw are respectively provided with matching first screw nuts , The second lead screw nut, the top hinge of the first lead screw nut is provided with a first support rod, the top hinge of the second lead screw nut is provided with a second support rod, and the first support rod and the second support rod are both hinged and ejected the bottom of the block.

Preferably, the lower mold is provided with a mounting groove, the ejection mechanism is arranged in the mounting groove, the two ends of the pros and cons screw are rotatably installed in the mounting groove, and the bottom of the ejecting block is provided with a mounting rod , the two ends of the installation rod are slidingly connected with the inner wall of the installation groove, a hinge seat is arranged in the middle of the bottom of the installation rod, and the first support rod and the second support rod are hingedly connected with the installation rod through the hinge seat.

According to the requirements of making feed granules, or when the mold is blocked during use, the ejector mechanism is convenient to take out the mold from the feed tank for replacement. At the same time, the ejector mechanism provides support for the mold. The mold is stamped by the upper mold. The bottom of the mold provides support for the mold.

The utility model has the following beneficial effects: (1) The utility model sets a first buffer spring outside the piston rod of the telescopic rod of the cylinder, and a buffer mechanism and a damping mechanism are set between the lower die and the base, and under the action of the telescopic rod of the cylinder, The upper die moves downward for punching, and the first buffer spring is compressed and deformed for buffering; after the lower die is pressed, the buffer rod descends, and the second buffer spring is compressed and deformed for buffering the punching; The angle between the first hinge rod and the second hinge rod becomes larger, the first sliding sleeve A of the first hinge rod makes the third buffer spring A deform under pressure, and the first sliding sleeve B makes the third buffer spring C deform under pressure , the second sliding sleeve A of the second hinge lever makes the third buffer spring B deform under pressure, and the second sliding sleeve B makes the third buffer spring D deform under pressure, thereby further buffering the stamping, so that the upper die can perform a press on the lower die During stamping, the stamping force on the lower mold is reduced, thereby reducing the damage degree of the lower mold, prolonging the service life of the stamping device, and solving the problem of poor cushioning effect of the existing stamping device.

(2) In order to meet more requirements for the shape of the feed, this utility model considers the problem of mold replacement when the mold is installed in the feed tank and the hob is installed under the mould, so an ejector device is set under the mould, which is driven by a motor The positive and negative thread screw rotates, so that the first support rod and the second support rod move towards each other, and the top block moves upward, so that the mold can be ejected, which can be easily taken out and installed as needed. When the mold appears during use Blockage problem, can be easily taken out for cleaning, more convenient for later use.

Description of drawings

Fig. 1 is the sectional view of the utility model embodiment 1;

Fig. 2 is the sectional view of buffer mechanism of the present utility model;

Fig. 3 is a sectional view of the damping mechanism of the present utility model;

Fig. 4 is the sectional view 1 of the utility model embodiment 2;

Fig. 5 is the sectional view 2 of the utility model embodiment 2;

Fig. 6 is the structural representation of mold in the utility model embodiment 2;

Fig. 7 is a cross-sectional view of the ejection mechanism in Embodiment 2 of the present utility model;

Fig. 8 is an enlarged view of the mechanism of the feed trough in Embodiment 2 of the present utility model.

In the figure: 1, top plate; 1-1, upper mold; 1-2, die head; 2, base; 2-1, lower mold; 2-2, feed trough; 2-3, buffer rod installation hole; 3, Pneumatic telescopic rod; 4, first buffer spring; 5, buffer mechanism; 5-1, buffer rod; 5-2, second buffer spring; 5-3, connecting block; 5-4, slide block; 6, damping Mechanism; 6-1, upper cross bar; 6-2, lower cross bar; 6-3, damping buffer; 6-4, first hinge rod; 6-4-1, third buffer spring A; 6-4 -2, the third buffer spring B; 6-4-3, the first sliding sleeve A; 6-4-4, the first sliding sleeve B; 6-5, the second hinge rod; 6-5-1, the third Buffer spring C; 6-5-2, third buffer spring D; 6-5-3, second sliding sleeve A; 6-5-4, second sliding sleeve B; 7, positioning hole; 8, positioning column; 9. Mold; 9-1, discharge port; 10, hose; 11, hob; 12, ejection mechanism; 12-1, positive and negative thread screw; 12-2 ejection block; 12-3, motor ; 12-4, the first lead screw nut; 12-5, the second lead screw nut; 12-6, the first support rod; 12-7, the second support rod; 12-8, the installation rod; 13, the installation block ; 14. Knob.

Detailed ways

The embodiments of the present invention will be disclosed in the following diagrams. For the sake of clarity, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the invention. That is to say, in some embodiments of the present invention, these practical details are unnecessary. In addition, for the sake of simplifying the drawings, some well-known and commonly used structures and components will be shown in a simple schematic manner in the drawings.

Example 1

A buffer device for prolonging the service life of a feed making machine, comprising a top plate 1 and a base 2, the bottom of the top plate 1 is provided with an installation block 13, the upper mold 1-1 is arranged at the bottom of the installation block 13, the installation block 13 and the upper mold 1 -1 is provided with a fixing hole, and a knob 14 is arranged in the fixing hole, and the upper mold 1-1 is installed on the bottom of the installation block 13 through the knob 14, and the bottom of the upper mold 1-1 is provided with a die head 1-2; The top is provided with a lower mold 2-1, the top of the lower mold 2-1 is provided with a feed tank 2-2, and a pneumatic telescopic rod 3 is provided between the top plate 1 and the base 2; the piston rod of the pneumatic telescopic rod 3 is provided with a first Buffer spring 4; a buffer mechanism 5 and a damping mechanism 6 are provided between the base 2 and the lower die 2-1. Under the action of the pneumatic telescopic rod 3, the upper die 1-1 moves downward, and the die head 1-2 presses the feed The material in the groove 2-2, the first buffer spring 4, the buffer mechanism 5, and the damping mechanism 6 all play a buffering role.

The buffer mechanism 5 includes a buffer rod 5-1 and a second buffer spring 5-2; the base 2 is provided with a buffer rod mounting hole 2-3, and one end of the buffer rod 5-1 is slidably arranged in the buffer rod mounting hole 2-3, and buffering The other end of the rod 5-1 is connected to the bottom of the lower die 2-1, and the second buffer spring 5-2 is arranged above the buffer rod mounting hole 2-3 and sleeved on the buffer rod 5-1; the buffer rod 5-1 One end of the connecting block 5-3 is provided with a connecting block 5-3, the two sides of the connecting block 5-3 are respectively provided with a slide block 5-4, and the inner wall of the buffer rod mounting hole 2-3 is provided with a chute matching with the slide block 5-4, The slide block 5-4 slides and engages in the chute.

The damping mechanism 6 includes an upper cross bar 6-1 and a lower cross bar 6-2, and a damping buffer 6-3 is arranged between the upper cross bar 6-1 and the lower cross bar 6-2; At the bottom of the lower mold 2-1, the lower cross bar 6-2 is arranged on the top of the base 2, and the outer wall of one end of the damping buffer 6-3 connected to the lower cross bar 6-2 is provided with an X-shaped hinge rod;

The X-shaped hinge bar includes a first hinge bar 6-4 and a second hinge bar 6-5, and the first hinge bar 6-4 and the second hinge bar 6-5 are hinged in a cross form, and the first hinge bar 6-5 The upper end of 4, the upper end of the second hinge rod 6-5 are all slidingly connected to the upper cross bar 6-1, the upper end both sides of the first hinge rod 6-4 are respectively provided with the third buffer spring A 6-4-1, the second Both sides of the upper end of the hinge rod 6-5 are respectively provided with a third buffer spring B 6-5-1, and the third buffer spring A 6-4-1 and the third buffer spring B 6-5-1 are both sleeved on the upper horizontal Rod 6-1; the lower end of the first hinge rod 6-4 and the lower end of the second hinge rod 6-5 are all slidably connected to the lower cross bar, and the lower ends of the first hinge rod 6-4 are respectively provided with a third buffer spring C 6-4-2, the third buffer spring D 6-5-2 is provided on both sides of the lower end of the second hinge rod 6-5, the third buffer spring C 6-4-2, the third buffer spring D 6 -5-2 are set on the lower cross bar 6-2;

The bottom of the lower mold 2-1 is provided with an upper cross bar installation groove, and the upper cross bar 6-1 is arranged in the upper cross bar installation groove, and the top of the base 2 is provided with a lower cross bar installation groove, and the lower cross bar 6-2 is arranged on the In the mounting groove of the lower cross bar, the upper cross bar 6-1 corresponds to the lower cross bar 6-2; the upper end of the first hinge rod 6-4 is provided with a first sliding sleeve A 6-4-3, and the first sliding sleeve A 6-4-3 is slidably set on the upper cross bar 6-1, the lower end of the first hinge bar 6-4 is provided with the first sliding sleeve B 6-4-4, and the first sliding sleeve B 6-4-4 is slidably set on The lower cross bar 6-2; the upper end of the second hinge rod 6-5 is provided with a second sliding sleeve A 6-5-3, and the second sliding sleeve A 6-5-3 is slidably arranged on the upper cross bar 6-1. The lower end of the second hinge rod 6-5 is provided with a second sliding sleeve B 6-5-4, and the second sliding sleeve B 6-5-4 is slidably arranged on the lower cross bar 6-2.

The damping buffer 6-3 includes a hydraulic cylinder, a hydraulic cylinder cover, and a piston rod. The internal sliding of the hydraulic cylinder and the hydraulic cylinder cover is provided with a piston rod. The bottom of the hydraulic cylinder is connected to the middle part of the lower cross bar 6-2. The top is connected to the middle part of the upper cross bar 6-1.

The bottom of patrix 1-1 is provided with locating hole 7, and the top of lower mold 2-1 is provided with locating rod 8, and locating hole 7 is corresponding with 8 phase positions of locating rod, and locating rod 8 matches with locating hole 7.

Working principle: Put the feed in the feed trough 2-2, start the pneumatic telescopic rod 3, under the action of the pneumatic telescopic rod 3, drive the top plate 1, the upper mold 1-1, and the die head 1-2 to move downward together, and the mold The extrusion of the head 1-2 and the feed trough 2-2 is the feed molding; the pneumatic telescopic rod 3 is in the process of descending, the first buffer spring 4 is compressed and deformed, and the impact force is buffered; the upper die 1-1 and the When the lower die 2-1 is squeezed, the buffer rod 5-1 is lowered, and the lower die 2-1 will cause the second buffer spring to be squeezed and deformed to buffer the impact force; at the same time, the lower die 2-1 is lowered, X The first hinge lever 6-4 of the type hinge lever and the second hinge lever 6-5 are under the effect of hinge connection, and the included angle of the first hinge lever 6-4 and the second hinge lever 6-5 becomes larger, and the first hinge lever The upper end of the bar 6-4 moves in reverse with the upper end of the second hinge bar 6-5, the lower end of the first hinge bar 6-4 moves in reverse with the lower end of the second hinge bar 6-5, and the first hinge bar 6-4 When the first sliding sleeve A 6-4-3 slides on the upper cross bar 6-1, the first sliding sleeve A 6-4-3 squeezes the third buffer spring A6-4-1, and the first hinge rod When the first sliding sleeve B 6-4-4 of 6-4 slides on the lower cross bar 6-2, the first sliding sleeve B 6-4-4 squeezes the third buffer spring C 6-4-2; When the second sliding sleeve A 6-5-3 of the two hinge rods 6-5 slides on the upper cross bar 6-1, the second sliding sleeve A 6-5-3 carries out the operation on the third buffer spring B 6-5-1. Squeeze, when the second sliding sleeve B6-5-4 of the second hinge rod 6-5 slides on the lower cross bar 6-2, the second sliding sleeve B 6-5-4 is connected to the third buffer spring D 6-5- 2 is squeezed, so that the damping mechanism 6 plays a further buffering role.

Example 2

A buffer device for prolonging the service life of a feed making machine, comprising a top plate 1 and a base 2, the bottom of the top plate 1 is provided with an installation block 13, the upper mold 1-1 is arranged at the bottom of the installation block 13, the installation block 13 and the upper mold 1 -1 is provided with a fixing hole, and a knob 14 is arranged in the fixing hole, and the upper mold 1-1 is installed on the bottom of the installation block 13 through the knob 14, and the bottom of the upper mold 1-1 is provided with a die head 1-2; The top is provided with a lower mold 2-1, the top of the lower mold 2-1 is provided with a feed tank 2-2, and a pneumatic telescopic rod 3 is provided between the top plate 1 and the base 2; the piston rod of the pneumatic telescopic rod 3 is provided with a first Buffer spring 4; a buffer mechanism 5 and a damping mechanism 6 are provided between the base 2 and the lower die 2-1. Under the action of the pneumatic telescopic rod 3, the upper die 1-1 moves downward, and the die head 1-2 presses the feed The material in the groove 2-2, the first buffer spring 4, the buffer mechanism 5, and the damping mechanism 6 all play a buffering role.

There are 4 sets of cylinder telescopic rods, which are respectively set at the four corners between the top plate and the base; there are 4 sets of buffer mechanisms, which are respectively set at the four corners between the lower mold and the base; The two sides of the hob will not affect the cutting of the extruded feed by the hob; there are 2 sets of ejection mechanisms, which are respectively installed on both sides below the discharge port of the mold, which will not affect the extrusion of the formed feed from the discharge port. out.

The buffer mechanism 5 includes a buffer rod 5-1 and a second buffer spring 5-2; the base 2 is provided with a buffer rod mounting hole 2-3, and one end of the buffer rod 5-1 is slidably arranged in the buffer rod mounting hole 2-3, and buffering The other end of the rod 5-1 is connected to the bottom of the lower die 2-1, and the second buffer spring 5-2 is arranged above the buffer rod mounting hole 2-3 and sleeved on the buffer rod 5-1; the buffer rod 5-1 One end of the connecting block 5-3 is provided with a connecting block 5-3, the two sides of the connecting block 5-3 are respectively provided with a slide block 5-4, and the inner wall of the buffer rod mounting hole 2-3 is provided with a chute matching with the slide block 5-4, The slide block 5-4 slides and engages in the chute.

The damping mechanism 6 includes an upper cross bar 6-1 and a lower cross bar 6-2, and a damping buffer 6-3 is arranged between the upper cross bar 6-1 and the lower cross bar 6-2; At the bottom of the lower mold 2-1, the lower cross bar 6-2 is arranged on the top of the base 2, and the outer wall of one end of the damping buffer 6-3 connected to the lower cross bar 6-2 is provided with an X-shaped hinge rod;

The X-shaped hinge bar includes a first hinge bar 6-4 and a second hinge bar 6-5, and the first hinge bar 6-4 and the second hinge bar 6-5 are hinged in a cross form, and the first hinge bar 6-5 The upper end of 4, the upper end of the second hinge rod 6-5 are all slidingly connected to the upper cross bar 6-1, the upper end both sides of the first hinge rod 6-4 are respectively provided with the third buffer spring A 6-4-1, the second Both sides of the upper end of the hinge rod 6-5 are respectively provided with a third buffer spring B 6-5-1, and the third buffer spring A 6-4-1 and the third buffer spring B 6-5-1 are both sleeved on the upper horizontal Rod 6-1; the lower end of the first hinge rod 6-4 and the lower end of the second hinge rod 6-5 are all slidably connected to the lower cross bar, and the lower ends of the first hinge rod 6-4 are respectively provided with a third buffer spring C 6-4-2, the third buffer spring D 6-5-2 is provided on both sides of the lower end of the second hinge rod 6-5, the third buffer spring C 6-4-2, the third buffer spring D 6 -5-2 are set on the lower cross bar 6-2;

The bottom of the lower mold 2-1 is provided with an upper cross bar installation groove, and the upper cross bar 6-1 is arranged in the upper cross bar installation groove, and the top of the base 2 is provided with a lower cross bar installation groove, and the lower cross bar 6-2 is arranged on the In the mounting groove of the lower cross bar, the upper cross bar 6-1 corresponds to the lower cross bar 6-2; the upper end of the first hinge rod 6-4 is provided with a first sliding sleeve A 6-4-3, and the first sliding sleeve A 6-4-3 is slidably set on the upper cross bar 6-1, the lower end of the first hinge bar 6-4 is provided with the first sliding sleeve B 6-4-4, and the first sliding sleeve B 6-4-4 is slidably set on The lower cross bar 6-2; the upper end of the second hinge rod 6-5 is provided with a second sliding sleeve A 6-5-3, and the second sliding sleeve A 6-5-3 is slidably arranged on the upper cross bar 6-1. The lower end of the second hinge rod 6-5 is provided with a second sliding sleeve B 6-5-4, and the second sliding sleeve B 6-5-4 is slidably arranged on the lower cross bar 6-2.

The damping buffer 6-3 includes a hydraulic cylinder, a hydraulic cylinder cover, and a piston rod. The internal sliding of the hydraulic cylinder and the hydraulic cylinder cover is provided with a piston rod. The bottom of the hydraulic cylinder is connected to the middle part of the lower cross bar 6-2. The top is connected to the middle part of the upper cross bar 6-1.

The bottom of patrix 1-1 is provided with locating hole 7, and the top of lower mold 2-1 is provided with locating rod 8, and locating hole 7 is corresponding with 8 phase positions of locating rod, and locating rod 8 matches with locating hole 7.

The inner bottom of feed trough 2-2 is provided with mold 9, and mold 9 is provided with some discharge openings 9-1, and the side wall of feed trough 2-2 is provided with connecting hole, and connecting hole is used for connecting hose 10, makes feed enter In the feed trough 2-2, a hob 11 is arranged below the mold 9; the damping mechanism 6 is arranged on both sides of the hob 11;

The discharge port 9-1 is located in the middle of the mold 9, and the ejection mechanism 12 is provided under the mold 9, and the ejection mechanism 12 and the discharge port 9-1 are misplaced, and the ejection mechanism 12 is located on both sides of the hob 11; Ejection mechanism 12 comprises positive and negative teeth lead screw 12-1, ejection block 12-2, motor 12-3; the output end of motor 12-3 connects one side of positive and negative teeth lead screw 12-1, and the positive and negative teeth screw The two ends of bar 12-1 are respectively provided with matching first lead screw nut 12-4, second lead screw nut 12-5, and first lead screw nut 12-4 top hinge is provided with first support bar 12-6 , the top hinge of the second lead screw nut 12-5 is provided with a second support rod 12-7, and the first support rod 12-6 and the second support rod 12-7 are hingedly connected to the bottom of the ejection block 12-2;

The lower mold 2-1 is provided with an installation groove, and the ejector mechanism 12 is arranged in the installation groove. The bottom of the ejector block 12-2 is provided with an installation rod 12-8, and the two ends of the installation rod 12-8 are in contact with the inner wall of the installation groove. Slidingly connected, the two ends of the positive and negative lead screw 12-1 are rotated and installed in the installation groove, and the bottom middle of the installation rod 12-8 is provided with a hinge seat, and the first support rod 12-6 and the second support rod 12-7 pass through The hinge seat is hingedly connected with the mounting rod 12-8.

Working principle: put the feed into the feed trough 2-2 through the hose, start the pneumatic telescopic rod 3, and under the action of the pneumatic telescopic rod 3, drive the top plate 1, the upper mold 1-1, and the die head 1-2 to move downward together , the die head 1-2 and the feed trough 2-2 cooperate to extrude the feed to form the feed; the pneumatic telescopic rod 3 is in the process of descending, the first buffer spring 4 is compressed and deformed, and the impact force is buffered; the upper die 1- When 1 and the lower die 2-1 are extruded, the buffer rod 5-1 is lowered, and the lower die 2-1 will cause the second buffer spring to be squeezed and deformed to buffer the impact force; at the same time, the lower die 2-1 is lowered , the first hinge rod 6-4 and the second hinge rod 6-5 of the X-shaped hinge rod are hinged, and the angle between the first hinge rod 6-4 and the second hinge rod 6-5 becomes larger, and the second hinge rod 6-4 becomes larger. The upper end of a hinge bar 6-4 moves in reverse with the upper end of the second hinge bar 6-5, and the lower end of the first hinge bar 6-4 moves in reverse with the lower end of the second hinge bar 6-5, and the first hinge bar 6 When the first sliding sleeve A 6-4-3 of -4 slides on the upper cross bar 6-1, the first sliding sleeve A 6-4-3 squeezes the third buffer spring A 6-4-1, and the first sliding sleeve A 6-4-3 squeezes the third buffer spring A 6-4-1. When the first sliding sleeve B 6-4-4 of a hinge rod 6-4 slides on the lower cross bar 6-2, the first sliding sleeve B 6-4-4 squeezes the third buffer spring C 6-4-2. Pressing; when the second sliding sleeve A 6-5-3 of the second hinge rod 6-5 slides on the upper cross bar 6-1, the second sliding sleeve A 6-5-3 will press against the third buffer spring B 6-5 -1 is extruded, when the second sliding sleeve B 6-5-4 of the second hinge rod 6-5 slides on the lower cross bar 6-2, the second sliding sleeve B 6-5-4 is to the third buffer spring D 6-5-2 squeezes, so that the damping mechanism 6 plays a further buffering role.

When the mold needs to be replaced or cleaned, the motor can be started to work, the motor drives the positive and negative screw to rotate, and the rotation of the positive and negative screw makes the first screw nut and the second screw nut move towards each other, so that the top block moves upward , so that the mold can be ejected for replacement or cleaning, which is convenient for subsequent use.

The basic principles, main features and advantages of the present utility model have been shown and described above. But the above are only specific embodiments of the utility model, and the technical characteristics of the utility model are not limited thereto, and any other implementation modes drawn by those skilled in the art without departing from the technical solution of the utility model should be Covered in the patent scope of the present utility model.

Claims (10)

1. The buffer device for prolonging the service life of the feed preparation machine comprises a top plate (1) and a base (2), wherein an upper die (1-1) is arranged at the bottom of the top plate (1), and a die head (1-2) is arranged at the bottom of the upper die (1-1); the top of the base (2) is provided with a lower die (2-1), the top of the lower die (2-1) is provided with a feed trough (2-2), and a pneumatic telescopic rod (3) is arranged between the top plate (1) and the base (2); the pneumatic telescopic rod is characterized in that a first buffer spring (4) is arranged outside a piston rod of the pneumatic telescopic rod (3); a buffer mechanism (5) and a vibration reduction mechanism (6) are arranged between the base (2) and the lower die (2-1), the upper die (1-1) moves downwards under the action of the pneumatic telescopic rod (3), the die head (1-2) punches materials in the feed trough (2-2), and the first buffer spring (4), the buffer mechanism (5) and the vibration reduction mechanism (6) all play a role in buffering.

2. Buffer device for prolonging the service life of a feed preparation machine according to claim 1, characterized in that the buffer mechanism (5) comprises a buffer rod (5-1), a second buffer spring (5-2); the base (2) is provided with a buffer rod mounting hole (2-3), one end of a buffer rod (5-1) is arranged in the buffer rod mounting hole (2-3) in a sliding mode, the other end of the buffer rod (5-1) is connected with the bottom of the lower die (2-1), and the second buffer spring (5-2) is arranged above the buffer rod mounting hole (2-3) and sleeved on the buffer rod (5-1).

3. The buffer device for prolonging the service life of the feed preparation machine according to claim 2, wherein one end of the buffer rod (5-1) is provided with a connecting block (5-3), two sides of the connecting block (5-3) are respectively provided with a sliding block (5-4), the inner wall of the buffer rod mounting hole (2-3) is provided with a sliding groove matched with the sliding block (5-4), and the sliding block (5-4) is in sliding clamping connection with the sliding groove.

4. The buffer device for prolonging the service life of the feed preparation machine according to claim 1, wherein the vibration reduction mechanism (6) comprises an upper cross rod (6-1) and a lower cross rod (6-2), and a damping buffer (6-3) is arranged between the upper cross rod (6-1) and the lower cross rod (6-2); the upper cross rod (6-1) is arranged at the bottom of the lower die (2-1), the lower cross rod (6-2) is arranged at the top of the base (2), and an X-shaped hinge rod is arranged on the outer wall of one end of the damping buffer (6-3) connected with the lower cross rod (6-2);

the X-shaped hinge rod comprises a first hinge rod (6-4) and a second hinge rod (6-5), the first hinge rod (6-4) is hinged with the second hinge rod (6-5) in a crossed mode, the upper end of the first hinge rod (6-4) and the upper end of the second hinge rod (6-5) are both in sliding connection with an upper cross rod (6-1), the two sides of the upper end of the first hinge rod (6-4) are respectively provided with a third buffer spring A (6-4-1), the two sides of the upper end of the second hinge rod (6-5) are respectively provided with a third buffer spring B (6-5-1), and the third buffer spring A (6-4-1) and the third buffer spring B (6-5-1) are both sleeved on the upper cross rod (6-1); the lower extreme of first hinge pole (6-4), the lower extreme of second hinge pole (6-5) all sliding connection bottom rail, and the lower extreme both sides of first hinge pole (6-4) are equipped with third buffer spring C (6-4-2) respectively, and the lower extreme both sides of second hinge pole (6-5) are equipped with third buffer spring D (6-5-2) respectively, all cover of third buffer spring C (6-4-2), third buffer spring D (6-5-2) is located bottom rail (6-2).

5. The buffer device for prolonging the service life of the feed preparation machine according to claim 4, wherein an upper cross rod mounting groove is formed in the bottom of the lower die (2-1), an upper cross rod (6-1) is arranged in the upper cross rod mounting groove, a lower cross rod mounting groove is formed in the top of the base (2), a lower cross rod (6-2) is arranged in the lower cross rod mounting groove, and the upper cross rod (6-1) corresponds to the lower cross rod (6-2); the upper end of the first hinge rod (6-4) is provided with a first sliding sleeve A (6-4-3), the first sliding sleeve A (6-4-3) is arranged on the upper cross rod (6-1) in a sliding manner, the lower end of the first hinge rod (6-4) is provided with a first sliding sleeve B (6-4-4), and the first sliding sleeve B (6-4-4) is arranged on the lower cross rod (6-2) in a sliding manner; the upper end of the second hinge rod (6-5) is provided with a second sliding sleeve A (6-5-3), the second sliding sleeve A (6-5-3) is arranged on the upper cross rod (6-1) in a sliding mode, the lower end of the second hinge rod (6-5) is provided with a second sliding sleeve B (6-5-4), and the second sliding sleeve B (6-5-4) is arranged on the lower cross rod (6-2) in a sliding mode.

6. The buffering device for prolonging service life of a feed preparation machine according to claim 4, wherein the damping buffer (6-3) comprises a hydraulic cylinder, a hydraulic cylinder cover and a piston rod, the hydraulic cylinder and the hydraulic cylinder cover are slidably provided with the piston rod, the bottom of the hydraulic cylinder is connected with the middle part of a lower cross rod (6-2), and the top of the piston rod is connected with the middle part of an upper cross rod (6-1).

7. The buffer device for prolonging the service life of the feed preparation machine according to claim 1, wherein a positioning hole (7) is formed in the bottom of the upper die (1-1), a positioning rod (8) is arranged at the top of the lower die (2-1), the positioning hole (7) corresponds to the positioning rod (8) in phase position, and the positioning rod (8) is matched with the positioning hole (7).

8. The buffer device for prolonging the service life of the feed preparation machine according to claim 1, wherein a die (9) is arranged at the inner bottom of the feed trough (2-2), a plurality of discharge holes (9-1) are arranged on the die (9), connecting holes are formed in the side wall of the feed trough (2-2) and are used for connecting hoses (10) so that feed enters the feed trough (2-2), and a hob (11) is arranged below the die (9); the vibration reduction mechanisms (6) are arranged on two sides of the hob (11).

9. The buffer device for prolonging the service life of the feed preparation machine according to claim 8, wherein the discharge hole (9-1) is positioned in the middle of the die (9), an ejection mechanism (12) is arranged below the die (9), the ejection mechanism (12) and the discharge hole (9-1) are arranged in a staggered manner, and the ejection mechanism (12) is positioned at two sides of the hob (11); the ejection mechanism (12) comprises a positive and negative screw rod (12-1), an ejection block (12-2) and a motor (12-3); the output end of the motor (12-3) is connected with one side of the positive and negative screw rod (12-1), two ends of the positive and negative screw rod (12-1) are respectively provided with a first screw nut (12-4) and a second screw nut (12-5) which are matched, a first support rod (12-6) is hinged to the top of the first screw nut (12-4), a second support rod (12-7) is hinged to the top of the second screw nut (12-5), and the first support rod (12-6) and the second support rod (12-7) are hinged to the bottom of the ejection block (12-2).

10. The buffer device for prolonging the service life of the feed preparation machine according to claim 9, wherein a mounting groove is formed in the lower die (2-1), the ejection mechanism (12) is arranged in the mounting groove, two ends of the front and back screw rods (12-1) are rotatably mounted in the mounting groove, mounting rods (12-8) are arranged at the bottoms of the ejection blocks (12-2), two ends of the mounting rods (12-8) are slidably connected with the inner walls of the mounting groove, hinge seats are arranged in the middle of the bottoms of the mounting rods (12-8), and the first support rods (12-6) and the second support rods (12-7) are hinged with the mounting rods (12-8) through the hinge seats.