阅读说明：本技术 一种相对平移均料的预成型机 (Preforming machine capable of relatively translating and homogenizing materials ) 是由 汤家祥 范淑贞 汤梦瑶 余杰倩 吕杭涛 于 2021-09-06 设计创作，主要内容包括：本发明公开了一种相对平移均料的预成型机,上支撑板的上端面上成型有上竖直连接板；预成型单元包括旋转设置在一对上竖直连接板之间的旋转中心板；旋转中心板上穿设并且竖直移动设置有中心座；中心座的上端面垂直移动设置有均料块、下端面上设置有若干左右均匀分布的连接杆；均料块上成型有左右贯穿的余料进入槽；余料进入槽靠近中心座的侧壁上设置有吸料嘴；吸料嘴通过吸管与外部的回收装置连接；连接杆的另一端固定有挤压盘；下支撑板的上端面上左右水平移动设置有放料框；放料框上成型有矩形槽状的放料槽。(The invention discloses a preforming machine for relatively translating and homogenizing materials, wherein an upper vertical connecting plate is formed on the upper end surface of an upper supporting plate; the preforming unit comprises a rotary central plate rotatably arranged between a pair of upper vertical connecting plates; the rotary central plate is provided with a central seat in a penetrating and vertically moving manner; the upper end surface of the central seat is vertically and movably provided with a material homogenizing block, and the lower end surface of the central seat is provided with a plurality of connecting rods which are uniformly distributed left and right; a left and right penetrating excess material inlet groove is formed on the material homogenizing block; the side wall of the residual material inlet groove close to the central seat is provided with a material suction nozzle; the material suction nozzle is connected with an external recovery device through a suction pipe; the other end of the connecting rod is fixed with an extrusion disc; the upper end surface of the lower supporting plate is horizontally provided with a discharging frame in a left-right moving way; the discharging frame is formed with a rectangular groove-shaped discharging groove.)

1. A relative translation homogenizing pre-forming machine, characterized by: comprises a support table (10) and a preforming unit (20); the support table (10) comprises a lower support plate (11); a pair of vertical supporting plates (12) which are symmetrically arranged front and back are respectively formed at the left end and the right end of the upper end surface of the lower supporting plate (11); an upper supporting plate (13) is respectively formed between the upper ends of the pair of left vertical supporting plates (12) and the upper ends of the pair of right vertical supporting plates (12); an upper vertical connecting plate (14) is formed on the upper end surface of the upper supporting plate (13); the preforming unit (20) comprises a rotating central plate (22) rotatably arranged between a pair of upper vertical connecting plates (14); the rotary central plate (22) is provided with a central seat (23) in a penetrating and vertically moving way; the upper end surface of the central seat (23) is vertically provided with a material homogenizing block (27) in a moving way, and the lower end surface is provided with a plurality of connecting rods (251) which are uniformly distributed left and right; the other end of the connecting rod (251) is fixed with a squeezing disc (25); a left and right through excess material inlet groove (270) is formed on the material homogenizing block (27); the side wall of the excess material inlet groove (270) close to the central seat is provided with a plurality of material suction nozzles (271) which are uniformly distributed on the left and the right; the suction nozzle (271) is connected with an external recovery device through a suction pipe (272); a discharging frame (28) is horizontally arranged on the upper end surface of the lower supporting plate (11) in a left-right moving manner; the discharging frame (28) is a cuboid with a rectangular groove-shaped discharging groove (280) formed on the upper end surface.

2. A relatively translating homogenous pre-form machine as in claim 1 wherein: a rotary motor (21) is fixed on the end face of the upper vertical connecting plate (14) far away from the rotary central plate (22); the left and right ends of the rotary central plate (22) are fixedly connected with output shafts of a pair of rotary motors (21) respectively.

3. A relatively translating homogenous pre-form machine as in claim 1 wherein: the center seat (23) is a rectangular frame and a pair of vertical portions of the center seat (23) vertically penetrates the rotation center plate (22).

4. A relatively translating homogenous pre-form machine as in claim 3 wherein: a lifting driving motor (24) is fixed at the center of the inner side wall of the central seat (23) close to the extrusion disc (25); a lifting driving threaded rod (241) is fixed on an output shaft of the lifting driving motor (24); the other end of the lifting driving threaded rod (241) is pivoted at the center of the inner side wall of the central seat (23) close to the material homogenizing block (27); the lifting driving threaded rod (241) vertically penetrates through and is screwed on the rotating central plate (22).

5. A relatively translating homogenous pre-form machine as in claim 3 wherein: a pair of adjusting electric cylinders (26) which are symmetrically arranged front and back and are arranged in the vertical direction are fixed in the central seat (23); the homogenizing block (27) is fixed on the piston rods of a pair of adjusting electric cylinders (26).

6. A relatively translating homogenous pre-form machine as in claim 1 wherein: the side wall of the excess material inlet groove (270) far away from the center seat (23) is formed into a sharp corner with the middle protruding to one side of the material suction nozzle (271), and the left and right side lines of the excess material inlet groove (270) far away from the side wall of the center seat (23) are respectively superposed with the left and right side lines of the end face of the material homogenizing block (27) far away from the center seat (23).

7. A relatively translating homogenous pre-form machine as in claim 1 wherein: left and right guide blocks (281) are respectively formed on the front and rear end surfaces of the material placing frame (28); a left guide groove and a right guide groove for left and right movement of the left guide block and the right guide block (281) are formed on the end surface of the corresponding side of the vertical support plate (12); a telescopic rod (29) is arranged between the pair of upper supporting plates (13) and the left end and the right end of the upper end surface of the material placing frame (28) respectively; the telescopic rod (29) comprises a telescopic sleeve (292) at the upper part and a telescopic inner rod (291) which is telescopically arranged on the lower end surface of the telescopic sleeve (292); the lower end of the telescopic inner rod (291) is pivoted at the left end or the right end of the upper end surface of the discharging frame (28); the upper end of the telescopic sleeve (292) is rotatably arranged on the lower end surface of the upper supporting plate (13) on the corresponding side; the telescopic sleeve (292) is driven by a motor.

Technical Field

The invention relates to the technical field of pre-forming machines, in particular to a pre-forming machine capable of relatively translating and homogenizing materials.

Background

The preforming machine is a high-precision high-efficiency rubber blank manufacturing device, can produce rubber blanks with various medium and high hardness and various shapes, has high rubber blank precision and no air bubbles, and is suitable for producing rubber sundries, oil seals, O-shaped rings, tennis balls, golf balls, inflating valves, soles, automobile accessories, medicines, agricultural granulation and other products.

The existing preforming machine is complex in structure and not beneficial to operation, the preforming effect on powdery materials is poor, and the performance of preformed products is unstable frequently, so that the quality of the materials is influenced.

Disclosure of Invention

The invention aims to provide a preforming machine capable of relatively translating and homogenizing materials, aiming at the technical problem that the existing preforming machine has poor effect on forming powdery materials.

The technical scheme for solving the technical problems is as follows: a preforming machine capable of relatively translating and homogenizing materials comprises a supporting table and a preforming unit; the support table comprises a lower support plate; a pair of vertical supporting plates which are symmetrically arranged front and back are respectively formed at the left end and the right end of the upper end surface of the lower supporting plate; an upper supporting plate is respectively formed between the upper ends of the pair of left vertical supporting plates and the upper ends of the pair of right vertical supporting plates; an upper vertical connecting plate is formed on the upper end surface of the upper supporting plate; the preforming unit comprises a rotary central plate rotatably arranged between a pair of upper vertical connecting plates; the rotary central plate is provided with a central seat in a penetrating and vertically moving manner; the upper end surface of the central seat is vertically and movably provided with a material homogenizing block, and the lower end surface of the central seat is provided with a plurality of connecting rods which are uniformly distributed left and right; the other end of the connecting rod is fixed with an extrusion disc; a left and right penetrating excess material inlet groove is formed on the material homogenizing block; the side wall of the residual material inlet groove close to the central seat is provided with a plurality of material suction nozzles which are uniformly distributed from left to right; the material suction nozzle is connected with an external recovery device through a suction pipe; the upper end surface of the lower supporting plate is horizontally provided with a discharging frame in a left-right moving way; the discharging frame is a cuboid with a rectangular groove-shaped discharging groove formed in the upper end face.

Preferably, a rotary motor is fixed on the end face, far away from the rotary central plate, of the upper vertical connecting plate; the left end and the right end of the rotary central plate are respectively fixedly connected with output shafts of a pair of rotary motors.

As a preferable mode of the above-described aspect, the center base is a rectangular frame and a pair of vertical portions of the center base vertically penetrates the rotation center plate.

Preferably, the center seat is fixed with a lifting driving motor close to the center of the inner side wall of the extrusion disc; a lifting driving threaded rod is fixed on an output shaft of the lifting driving motor; the other end of the lifting driving threaded rod is pivoted at the center of the inner side wall of the central seat close to the material homogenizing block; the lifting driving threaded rod vertically penetrates through and is screwed on the rotating central plate.

Preferably, a pair of adjusting electric cylinders which are symmetrically arranged front and back and are arranged in the vertical direction are fixed in the central seat; the material homogenizing block is fixed on the piston rods of the pair of adjusting electric cylinders.

Preferably, the side wall of the excess material inlet groove far from the central seat is formed into a sharp corner with the middle protruding to one side of the material suction nozzle, and the left and right side lines of the side wall of the excess material inlet groove far from the central seat are respectively superposed with the left and right side lines of the end face of the material homogenizing block far from the central seat.

Preferably, the front end face and the rear end face of the discharging frame are respectively provided with a left guide block and a right guide block; a left guide groove and a right guide groove for left and right movement of the left guide block and the right guide block are formed on the end surface of the corresponding side of the vertical support plate; telescopic rods are respectively arranged between the pair of upper supporting plates and the left end and the right end of the upper end surface of the material placing frame; the telescopic rod comprises a telescopic sleeve at the upper part and a telescopic inner rod telescopically arranged on the lower end surface of the telescopic sleeve; the lower end of the telescopic inner rod is pivoted at the left end or the right end of the upper end surface of the discharging frame; the upper end of the telescopic sleeve is rotatably arranged on the lower end surface of the upper supporting plate on the corresponding side; the telescopic sleeve is driven by a motor.

The invention has the beneficial effects that: simple structure avoids the material to pile up, has guaranteed that the tiling of material is even, improves material shaping quality.

Drawings

FIG. 1 is a schematic structural view of a cross section of the present invention;

fig. 2 is a schematic structural view of a cross section of the homogenizing block 27 of the present invention.

In the figure, 10, a support table; 11. a lower support plate; 12. a vertical support plate; 13. an upper support plate; 14. an upper vertical connecting plate; 20. a preforming unit; 21. a rotating electric machine; 22. a rotating center plate; 23. a center seat; 24. a lifting drive motor; 241. lifting the driving threaded rod; 25. an extrusion disc; 251. a connecting rod; 26. adjusting an electric cylinder; 27. homogenizing the blocks; 270. excess material enters the groove; 271. a material suction nozzle; 272. a straw; 28. a material placing frame; 280. a discharging groove; 29. a telescopic rod; 291. a telescopic inner rod; 292. a telescopic sleeve.

Detailed Description

As shown in fig. 1 and 2, a relative translation homogeneous material preforming machine includes a support table 10 and a preforming unit 20; the support table 10 includes a lower support plate 11; a pair of vertical supporting plates 12 which are symmetrically arranged front and back are respectively formed at the left end and the right end of the upper end surface of the lower supporting plate 11; an upper support plate 13 is respectively formed between the upper ends of the pair of left vertical support plates 12 and the upper ends of the pair of right vertical support plates 12; an upper vertical connecting plate 14 is formed on the upper end surface of the upper supporting plate 13; the preforming unit 20 includes a rotary center plate 22 rotatably disposed between a pair of upper vertical connecting plates 14; a center seat 23 is arranged on the rotary center plate 22 in a penetrating and vertical moving way; the upper end surface of the central seat 23 is vertically provided with a material homogenizing block 27 in a moving way, and the lower end surface is provided with a plurality of connecting rods 251 which are uniformly distributed left and right; the other end of the connecting rod 251 is fixed with a squeezing disc 25; a left and right through excess material inlet groove 270 is formed on the material homogenizing block 27; the side wall of the excess material inlet groove 270 close to the central seat is provided with a plurality of material suction nozzles 271 which are uniformly distributed left and right; the suction nozzle 271 is connected with an external recovery device through a suction pipe 272; a discharging frame 28 is horizontally arranged on the upper end surface of the lower supporting plate 11 in a left-right moving manner; the discharge frame 28 is a rectangular parallelepiped having a rectangular groove-shaped discharge chute 280 formed on the upper end surface.

As shown in fig. 1, a rotary motor 21 is fixed on the end face of the upper vertical connecting plate 14 far away from the rotary central plate 22; the left and right ends of the rotation center plate 22 are fixedly connected to output shafts of a pair of rotating electric machines 21, respectively.

As shown in fig. 1, the center seat 23 is a rectangular frame and a pair of vertical portions of the center seat 23 vertically pass through the rotation center plate 22.

As shown in fig. 1, a lifting drive motor 24 is fixed at the center of the inner side wall of the central seat 23 close to the extrusion disc 25; a lifting driving threaded rod 241 is fixed on an output shaft of the lifting driving motor 24; the other end of the lifting driving threaded rod 241 is pivoted at the center of the inner side wall of the central seat 23 close to the material homogenizing block 27; the elevation driving screw bar 241 vertically passes through and is screw-coupled to the rotation center plate 22.

As shown in fig. 1, a pair of vertically arranged adjusting electric cylinders 26 are fixed in the center base 23 and are symmetrically arranged in front and back; the homogenizing block 27 is fixed on the piston rods of a pair of adjusting electric cylinders 26.

As shown in fig. 1 and 2, the sidewall of the excess material inlet groove 270 away from the central seat 23 is formed into a sharp corner protruding toward one side of the material suction nozzle 271, and the left and right side lines of the excess material inlet groove 270 away from the sidewall of the central seat 23 coincide with the left and right side lines of the end surface of the homogenizing block 27 away from the central seat 23, respectively.

As shown in fig. 1, left and right guide blocks 281 are respectively formed on the front and rear end surfaces of the discharge frame 28; a left guide groove and a right guide groove for left and right movement of the left guide block 281 are formed on the end surface of the corresponding side of the vertical support plate 12; a telescopic rod 29 is arranged between the pair of upper supporting plates 13 and the left end and the right end of the upper end surface of the material placing frame 28 respectively; the telescopic rod 29 comprises a telescopic sleeve 292 at the upper part and a telescopic inner rod 291 telescopically arranged on the lower end surface of the telescopic sleeve 292; the lower end of the telescopic inner rod 291 is pivoted at the left end or the right end of the upper end surface of the discharging frame 28; the upper end of the telescopic sleeve 292 is rotatably arranged on the lower end surface of the upper supporting plate 13 on the corresponding side; the telescoping sleeve 292 is driven by a motor.

The working principle of a preforming machine for relatively translating and homogenizing materials;

during operation, firstly, the powdery material is located in the discharging groove 280 of the discharging frame 28, then the discharging frame 28 moves left and right in a reciprocating mode to enable the powdery material to be further uniformly spread, then the central plate 22 rotates 180 degrees to enable the homogenizing block 27 to be located on the lower side of the central seat 23, then the homogenizing block 27 moves downwards until the homogenizing block 27 is in contact with the uppermost powdery material, then the discharging frame 28 moves left and right in a reciprocating mode, so that the accumulated powdery material enters the residual material inlet groove 270 and is finally recovered by an external recovery device through the material suction nozzle 271 and the suction pipe 272, so that the uniform spreading of the powdery material is further guaranteed, then the homogenizing block 27 rises to return, then the central plate 22 rotates 180 degrees to enable the extrusion disc 25 to be located on the lower side of the central seat 23, then the central seat 23 descends, and preforming is carried out through the extrusion disc 25;

the material is prevented from being stacked, the material is uniformly paved, and the material forming quality is improved.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, there are variations on the embodiment and the application scope according to the idea of the present invention, and the content of the present description should not be construed as a limitation to the present invention.