CN209832364U - Compression molding machine for melamine tableware - Google Patents

Abstract

The utility model discloses a compression molding machine for melamine tableware, which relates to the technical field of melamine tableware production, and has the technical scheme that the compression molding machine comprises a frame, a hydraulic cylinder, a lower die carrier, a lower die, an upper die carrier and an upper die, wherein a plurality of groups of locking mechanisms are arranged between the lower die and the upper die, each group of locking mechanisms comprises a push rod, an inclined block fixedly connected to one side of the push rod, a connecting block fixedly connected to one side of the upper die, a butt block connected to the connecting block in a sliding manner along the width direction of the frame, and an elastic component arranged on one side of the upper die and used for driving; the both ends that the sloping block is close to butt piece one side have been seted up first inclined plane and second inclined plane respectively, and third inclined plane and fourth inclined plane have been seted up respectively to the both ends that the butt piece is close to sloping block one side, and first inclined plane can the butt in fourth inclined plane, and the second inclined plane can the butt in third inclined plane. The utility model provides an inconvenient problem of observing the compound die state of last mould and lower mould, reached the effect of being convenient for observe the compound die state of last mould and lower mould.

Description

Compression molding machine for melamine tableware

technical field

The utility model relates to the technical field of melamine tableware production, more specifically, it relates to a compression molding machine for melamine tableware.

Background technique

Melamine tableware, also known as melamine tableware, is formed by heating and pressing melamine resin powder. Melamine tableware is widely used in the catering industry and children's catering industry due to its advantages of lightness, beauty, low temperature resistance, and non-breakability.

For the prior art, reference may be made to the Chinese utility model patent whose authorized announcement number is CN207616988U, which discloses a melamine tableware forming machine, including a body, a frame is arranged on the top of the body, and an upper frame is fixedly connected to the bottom of the frame. A mold base, the upper mold base is provided with an upper mold, the bottom of the body is provided with a hydraulic cylinder, the top of the hydraulic cylinder is fixedly connected with a lower mold base, and the top of the lower mold base is provided with a lower mold, so The bottom of the body is provided with a cylinder on the side away from the hydraulic cylinder, the top of the cylinder is fixedly connected with a servo motor, and the top side of the servo motor is fixedly connected with a telescopic support rod, and the end of the telescopic support rod is far away from the servo motor A telescopic support column is fixedly connected, and an elastic buckle is fixedly connected to the outer wall of the telescopic support rod and the telescopic support column. A trachea is arranged inside the elastic buckle, and a suction cup is fixedly connected to one end of the trachea. The trachea The end away from the suction cup is fixedly connected with a vacuum pump, and one side of the frame is fixedly connected with a receiving trough, and a rubber pad is arranged on the bottom inner wall of the receiving trough, and the telescopic support rod and the telescopic support column are both supported by sleeves. It is composed of a sleeve rod, and both sides of the sleeve are provided with through holes, and the internal threads of the through holes are connected with fastening bolts.

During mold clamping and compression molding, whether the upper mold and the lower mold are properly clamped directly affects the molding quality of melamine tableware; however, after the upper mold and the lower mold are clamped, the mold clamping state cannot be observed, so the upper mold cannot be confirmed. And whether the lower mold is in place.

Utility model content

Aiming at the deficiencies in the prior art, the purpose of this utility model is to provide a compression molding machine for melamine tableware, which is convenient for observing the clamping state of the upper mold and the lower mold by providing a locking mechanism.

In order to achieve the above purpose, the utility model provides the following technical solutions: a compression molding machine for melamine tableware, including a frame, a hydraulic cylinder vertically installed at the bottom of the frame, and a lower mold installed on the piston rod of the hydraulic cylinder Frame, the lower mold fixed on the top of the lower mold base, the upper mold base installed directly above the lower mold base, and the upper mold fixed on the bottom of the upper mold base, and multiple sets of locks are arranged between the lower mold and the upper mold Each set of locking mechanisms includes a push rod vertically connected to one side of the lower die, an inclined block fixed to one side of the push rod, a connecting block fixed to one side of the upper die, and The abutment block that is slidably connected to the connection block in the width direction and the elastic component installed on one side of the upper mold for driving the abutment block to reset; the two ends of the inclined block that are close to the abutment block are respectively provided with first slopes and the second slope, the two ends of the abutting block near the side of the slope block are respectively provided with a third slope and a fourth slope, the first slope can be abutted against the fourth slope, and the second slope can be abutted against on the third slope.

By adopting the above technical scheme, the heated melamine resin powder is placed on the lower mold, and then the piston rod of the hydraulic cylinder drives the lower mold frame to move upward, and the upward movement of the lower mold frame drives the lower mold to move upward, so that the upper mold and The lower mold is closed, and the required tableware can be pressed after the upper mold and the lower mold are closed; during the closing process of the upper mold and the lower mold, the lower mold moves upward to drive the push rod to move upward, and the push rod moves upward to drive the inclined block Moving upward, when the second inclined plane and the third inclined plane contact, the inclined block continues to move upward, at this time, the inclined block pushes the abutting block to move away from the inclined block, when the upper mold and the lower mold are closed, the first inclined plane and the fourth inclined The inclined surface is completely abutted. At this time, the elastic component pushes the abutment block to reset so that the abutment block abuts against the push rod; by observing whether the abutment block locks the push rod, it can be observed whether the upper mold and the lower mold are in place. Therefore, a locking mechanism is provided to facilitate observation of the clamping state of the upper mold and the lower mold.

The utility model is further configured as follows: the connecting block is provided with a horizontal chute for the abutting block to slide along the width direction of the frame.

By adopting the above technical solution, the horizontal slide groove has a guiding effect on the abutting block, thereby reducing the possibility of deviation of the abutting block during sliding along the width direction of the frame.

The utility model is further configured as follows: the elastic assembly includes two transverse guide columns respectively fixed to the two ends of the connection block near the side of the inclined block and arranged along the width direction of the frame, and respectively fixed to the two ends of the abutting block. Two sliders; the two horizontal guide columns are set through the two sliders respectively, and the two sliders are respectively slidably connected to the two horizontal guide columns; each of the horizontal guide columns is sleeved with a return spring , the two ends of the return spring are fixedly connected to the connecting block and the sliding block respectively.

By adopting the above technical solution, the movement of the abutment block away from the inclined block drives the slider to move, and the movement of the slider presses the return spring, and at this time the return spring is in a compressed state; At this time, the slider pushes the abutting block to move close to the push rod under the action of the return spring, and when the first inclined plane and the fourth inclined plane are completely in contact, the abutting block resets under the action of the returning spring; by setting the elastic assembly, Easy to reset the abutment block.

The utility model is further configured as follows: the lower mold frame is provided with multiple sets of ejection components for ejecting the melamine tableware.

By adopting the above-mentioned technical scheme, by setting the ejector assembly, it is convenient to eject the molded melamine tableware, thereby reducing the labor intensity of the operator.

The utility model is further configured as follows: each group of ejection components includes a cylinder vertically installed on the bottom of the lower mold base and a top column connected to the lower mold by sliding vertically; the piston rods of the cylinders penetrate vertically upwards The lower mold frame and the lower mold are fixedly connected to the bottom of the top column; the lower mold is provided with a vertical chute for the top column to slide.

By adopting the above technical scheme, when the formed melamine tableware needs to be ejected, the cylinder is activated, and the piston rod of the cylinder drives the ejector column to move upward, and the ejector column moves upward to eject the melamine tableware. By setting the ejector assembly , to facilitate the ejection of the formed melamine tableware.

The utility model is further configured as follows: each of the top pillars is provided with an annular groove, and a sealing ring is sleeved on the annular groove.

By adopting the above technical solution, the possibility of leakage of the heated melamine resin powder can be reduced by providing the sealing ring.

The utility model is further set as: the frame is vertically provided with a plurality of vertical guide columns for guiding the lower mold frame, and the plurality of vertical guide columns are all set through the lower mold frame, and the lower mold frame Slip and connect to multiple vertical guide posts along the vertical direction.

By adopting the above technical solution, the vertical guide column has a guiding effect on the lower formwork, thereby reducing the possibility of deviation of the lower formwork during vertical sliding.

The utility model is further set as: each of the vertical guide columns is equipped with a buffer assembly for buffering the lower formwork, and the buffer assembly includes a buffer block socketed on the vertical guide column and a buffer block socketed on the vertical guide column. buffer spring; the buffer block is vertically slidable and connected to the vertical guide column; the two ends of the buffer spring are fixedly connected to the upper mold base and the buffer block respectively.

By adopting the above technical solution, by setting the buffer block and the buffer spring, the lower mold frame can be buffered, thereby reducing the rigid contact between the lower mold and the upper mold, thus prolonging the service life of the upper mold and the lower mold.

In summary, compared with the prior art, the utility model has the following beneficial effects:

1. Put the heated melamine resin powder on the lower mold, and then drive the lower mold frame to move upward through the piston rod of the hydraulic cylinder, and the upward movement of the lower mold frame drives the lower mold to move upward, so that the upper mold and the lower mold are closed , after the upper mold and the lower mold are closed, the required tableware can be pressed; during the closing process of the upper mold and the lower mold, the lower mold moves upward to drive the push rod to move upward, and the push rod moves upward to drive the inclined block to move upward. After the second inclined plane and the third inclined plane contact, the inclined block continues to move upwards. At this time, the inclined block pushes the abutting block to move away from the inclined block. After the upper mold and the lower mold are closed, the first inclined plane and the fourth inclined plane are completely contacted. At this time, the elastic component pushes the abutment block to reset so that the abutment block abuts against the push rod; by observing whether the abutment block locks the push rod, it can be observed whether the upper mold and the lower mold are in place, so set the locking Mechanism, easy to observe the clamping state of the upper mold and the lower mold;

2. The abutment block moves away from the inclined block to drive the slider to move, and the slider moves to press the return spring. At this time, the return spring is in a compressed state; when the first inclined surface and the fourth inclined surface begin to abut, the slider Push the abutment block to move close to the push rod under the action of the return spring. When the first inclined surface and the fourth inclined surface are completely in contact, the abutment block is reset under the action of the return spring; by setting the elastic component, it is convenient to make the abutment block reset;

3. When it is necessary to eject the formed melamine tableware, start the cylinder, the piston rod of the cylinder drives the top column to move upward, and the top column moves upward to eject the melamine tableware. By setting the ejection component, it is convenient to form After the melamine tableware top out.

Description of drawings

Fig. 1 is the overall structure schematic diagram of embodiment;

Fig. 2 is a partial enlarged view of place A in Fig. 1;

Fig. 3 is a schematic view of the state when the top column is pushed out in the embodiment;

Fig. 4 is a partial enlarged view of place B in Fig. 3;

Fig. 5 is a schematic structural diagram of a protruding buffer assembly in an embodiment.

In the figure: 1, frame; 11, hydraulic cylinder; 12, lower mold frame; 13, lower mold; 14, upper mold frame; 15, upper mold; 2, locking mechanism; 21, push rod; 22, inclined block ; 221, the first inclined plane; 222, the second inclined plane; 23, the connecting block; Guide post; 262, slide block; 263, return spring; 3, ejection assembly; 31, cylinder; 32, ejector post; 33, vertical chute; 34, annular groove; 35, sealing ring; 4, vertical guide post ; 5, buffer assembly; 51, buffer block; 52, buffer spring.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail. Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom" and "top "Face", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

Embodiment: a kind of compression molding machine for melamine tableware, as shown in Figure 1, comprises frame 1, the hydraulic cylinder 11 that is vertically installed on the bottom of frame 1, the lower formwork that is installed on hydraulic cylinder 11 piston rods 12. The lower mold 13 fixed on the top of the lower mold base 12, the upper mold base 14 installed directly above the lower mold base 12, and the upper mold 15 fixed on the bottom of the upper mold base 14, between the lower mold 13 and the upper mold 15 Multiple sets of locking mechanisms 2 are arranged between them. Put the heated melamine resin powder on the lower mold 13, then drive the lower mold frame 12 to move upward through the piston rod of the hydraulic cylinder 11, and the upward movement of the lower mold frame 12 drives the lower mold 13 to move upward, so that the upper mold 15 and Lower mold 13 mold closing, after upper mold 15 and lower mold 13 closing molds, just can suppress required tableware.

As shown in Figures 1 and 2, each set of locking mechanisms 2 includes a push rod 21 vertically connected to one side of the lower mold 13, a slanting block 22 fixed to one side of the push rod 21, and a fixed connection to the upper mold 15. The connection block 23 on one side, the abutment block 24 that is slidably connected to the connection block 23 along the width direction of the frame 1, and the elastic assembly 26 installed on one side of the upper mold 15 for driving the abutment block 24 to reset; the connection block 23 is provided with a horizontal chute 25 for the abutment block 24 to slide along the width direction of the frame 1; the lower end and upper end of the side of the inclined block 22 close to the abutment block 24 are respectively provided with a first slope 221 and a second slope 222 The lower end and the upper end of the abutment block 24 close to the side of the inclined block 22 are respectively provided with a third inclined surface 241 and a fourth inclined surface 242, the first inclined surface 221 can abut against the fourth inclined surface 242, and the second inclined surface 222 can abut against the fourth inclined surface. Three bevels 241 . During the mold closing process between the upper mold 15 and the lower mold 13, the lower mold 13 moves upward to drive the push rod 21 to move upward, and the push rod 21 moves upward to drive the inclined block 22 to move upward. When the second slope 222 and the third slope 241 contact, The inclined block 22 continues to move upwards. At this time, the inclined block 22 pushes the abutting block 24 to move away from the inclined block 22. After the upper mold 15 and the lower mold 13 are closed, the first inclined surface 221 and the fourth inclined surface 242 are completely contacted. When the elastic component 26 pushes the abutment block 24 to reset so that the abutment block 24 abuts against the push rod 21; by observing whether the abutment block 24 locks the push rod 21, it can be observed whether the upper mold 15 and the lower mold 13 are closed Put in place, thereby setting locking mechanism 2, is convenient to observe the clamping state of upper mold 15 and lower mold 13.

As shown in Figures 1 and 2, the elastic component 26 includes two transverse guide posts 261 respectively fixed to the two ends of the connecting block 23 near the side of the inclined block 22 and arranged along the width direction of the frame 1, and respectively fixed to Two sliders 262 at both ends of the abutment block 24; two transverse guide columns 261 are set through the two sliders 262 respectively, and the two sliders 262 are slidably connected to the two transverse guide columns 261 respectively; each transverse guide column 261 A return spring 263 is sleeved on the top, and two ends of the return spring 263 are fixedly connected to the connecting block 23 and the sliding block 262 respectively. The abutment block 24 moves away from the inclined block 22 to drive the slider 262 to move, and the slider 262 moves to press the return spring 263. At this time, the return spring 263 is in a compressed state; when the first inclined surface 221 and the fourth inclined surface 242 start to abut At this time, the slider 262 pushes the abutment block 24 to move close to the push rod 21 under the action of the return spring 263. reset under the action of the abutment block 24; by setting the elastic component 26, it is convenient to reset the abutment block 24.

As shown in Fig. 3 and Fig. 4, multiple sets of ejection assemblies 3 for ejecting melamine tableware are installed on the lower mold frame 12, and each group of ejection assemblies 3 includes a cylinder vertically installed at the bottom of the lower mold frame 12 31 and the top column 32 that is vertically slidably connected to the lower mold 13; the piston rod of the cylinder 31 passes through the lower mold frame 12 vertically upwards and is fixedly connected to the bottom of the lower mold 13 and the top column 32; the lower mold 13 is provided with A vertical chute 33 for the top column 32 to slide. Each top column 32 is provided with an annular groove 34, and a sealing ring 35 is sleeved on the annular groove 34, and the sealing ring 35 can be selected from a high temperature resistant vulcanized rubber ring. When the formed melamine tableware needs to be ejected, the cylinder 31 is started, and the piston rod of the cylinder 31 drives the ejector column 32 to move upward, and the ejector column 32 moves upward to eject the melamine tableware. By setting the ejector assembly 3, It is convenient to eject the formed melamine tableware.

As shown in Figure 5, a plurality of vertical guide columns 4 for guiding the lower formwork 12 are vertically arranged on the frame 1 (see Figure 1), and the plurality of vertical guide columns 4 are all set through the lower formwork 12, The lower formwork 12 is vertically slidably connected to a plurality of vertical guide columns 4 . The vertical guide column 4 has a guiding effect on the lower formwork 12, thereby reducing the possibility of deviation of the lower formwork 12 during vertical sliding.

As shown in Figure 5, a buffer assembly 5 for buffering the lower formwork 12 is installed on each vertical guide column 4, and the buffer assembly 5 includes a buffer block 51 sleeved on the vertical guide column 4 and a 4 buffer spring 52; the buffer block 51 is vertically slidably connected to the vertical guide column 4; the two ends of the buffer spring 52 are fixedly connected to the upper mold frame 14 and the buffer block 51 respectively. By setting the buffer block 51 and the buffer spring 52 , the lower mold frame 12 can be buffered, thereby reducing the rigid contact between the lower mold 13 and the upper mold 15 , thus prolonging the service life of the upper mold 15 and the lower mold 13 .

The working principle of this compression molding machine for melamine tableware is as follows:

Put the heated melamine resin powder on the lower mold 13, then drive the lower mold frame 12 to move upward through the piston rod of the hydraulic cylinder 11, and the upward movement of the lower mold frame 12 drives the lower mold 13 to move upward, so that the upper mold 15 and The lower mold 13 is closed, and the required tableware can be pressed after the upper mold 15 and the lower mold 13 are closed; in the process of the upper mold 15 and the lower mold 13, the lower mold 13 moves upward to drive the push rod 21 to move upward, The upward movement of the push rod 21 drives the inclined block 22 to move upward. When the second inclined surface 222 contacts the third inclined surface 241, the inclined block 22 continues to move upward. At this time, the inclined block 22 pushes the abutting block 24 to move away from the inclined block 22, and the The block 24 moves away from the inclined block 22 to drive the slide block 262 to move, and the slide block 262 moves to press the return spring 263. At this time, the return spring 263 is in a compressed state; when the upper mold 15 and the lower mold 13 are closed, the first The inclined surface 221 is completely in contact with the fourth inclined surface 242. At this time, the slider 262 pushes the abutment block 24 to move close to the push rod 21 under the action of the return spring 263, so that the abutment block 24 is reset under the action of the return spring 263. When the abutment block 24 presses the push rod 21; by observing whether the abutment block 24 locks the push rod 21, it can be observed whether the upper mold 15 and the lower mold 13 are in place, so the locking mechanism 2 is set. It is convenient to observe the clamping state of the upper mold 15 and the lower mold 13.

The above descriptions are only preferred implementations of the present utility model, and the protection scope of the present utility model is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present utility model all belong to the protection scope of the present utility model. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims (8)

1. The utility model provides a compression moulding machine for melamine tableware, includes frame (1), vertical pneumatic cylinder (11) of installing in frame (1) bottom, install in lower die carrier (12) of pneumatic cylinder (11) piston rod, lower mould (13) at rigid coupling in lower die carrier (12) top, install in last die carrier (14) and rigid coupling directly over lower die carrier (12) in last die carrier (14) last mould (15) of bottom, its characterized in that: a plurality of groups of locking mechanisms (2) are arranged between the lower die (13) and the upper die (15), each group of locking mechanisms (2) comprises a push rod (21) vertically and fixedly connected to one side of the lower die (13), an inclined block (22) fixedly connected to one side of the push rod (21), a connecting block (23) fixedly connected to one side of the upper die (15), a butting block (24) connected to the connecting block (23) in a sliding manner along the width direction of the rack (1) and an elastic assembly (26) arranged on one side of the upper die (15) and used for driving the butting block (24) to reset; first inclined plane (221) and second inclined plane (222) have been seted up respectively to the both ends that kicking block (22) are close to kicking block (24) one side, third inclined plane (241) and fourth inclined plane (242) have been seted up respectively to kicking block (24) are close to both ends that kicking block (22) one side, first inclined plane (221) can butt in fourth inclined plane (242), second inclined plane (222) can butt in third inclined plane (241).

2. The compression molding machine for melamine tableware according to claim 1, wherein: and a horizontal sliding groove (25) for the abutting block (24) to slide along the width direction of the rack (1) is formed in the connecting block (23).

3. The molding press for melamine tableware according to claim 2, wherein: the elastic assembly (26) comprises two transverse guide columns (261) which are fixedly connected to two ends of the connecting block (23) close to one side of the inclined block (22) respectively and arranged along the width direction of the rack (1), and two sliding blocks (262) which are fixedly connected to two ends of the abutting block (24) respectively; the two transverse guide columns (261) are respectively arranged by penetrating through the two sliding blocks (262), and the two sliding blocks (262) are respectively connected with the two transverse guide columns (261) in a sliding manner; each transverse guide pillar (261) is sleeved with a return spring (263), and two ends of each return spring (263) are fixedly connected to the connecting block (23) and the sliding block (262) respectively.

4. The compression molding machine for melamine tableware according to claim 1, wherein: and a plurality of groups of ejection assemblies (3) for ejecting melamine tableware are arranged on the lower die carrier (12).

5. The molding press for melamine tableware according to claim 4, wherein: each group of ejection assemblies (3) comprises an air cylinder (31) vertically arranged at the bottom of the lower die frame (12) and an ejection column (32) connected to the lower die (13) in a sliding manner along the vertical direction; a piston rod of the air cylinder (31) vertically and upwards sequentially penetrates through the lower die frame (12) and the lower die (13) and is fixedly connected with the bottom of the top column (32); and a vertical sliding groove (33) for sliding the top column (32) is formed in the lower die (13).

6. The molding press for melamine tableware according to claim 5, wherein: each top column (32) is provided with an annular groove (34), and the annular groove (34) is sleeved with a sealing ring (35).

7. The compression molding machine for melamine tableware according to claim 1, wherein: the guide device is characterized in that a plurality of vertical guide pillars (4) used for guiding the lower die frame (12) are vertically arranged on the frame (1), the vertical guide pillars (4) penetrate through the lower die frame (12), and the lower die frame (12) is connected to the vertical guide pillars (4) in a sliding mode along the vertical direction.

8. The molding press for melamine tableware according to claim 7, wherein: each vertical guide post (4) is provided with a buffer component (5) for buffering a lower die frame (12), and each buffer component (5) comprises a buffer block (51) sleeved on the vertical guide post (4) and a buffer spring (52) sleeved on the vertical guide post (4); the buffer block (51) is connected to the vertical guide pillar (4) in a sliding manner along the vertical direction; two ends of the buffer spring (52) are respectively and fixedly connected with the upper die carrier (14) and the buffer block (51).