Cup making machine

Abstract

The invention belongs to the technical field of plastic cup processing, and particularly relates to a cup making machine which comprises a machine body, an injection molding mechanism, a mold opening mechanism and a discharging mechanism are arranged in the machine body, the injection molding mechanism comprises an upper mold base and a lower mold base, a male mold is processed at the bottom of the upper mold base, a mold cavity is processed in the lower mold base, and an injection molding feeding pipe is installed in the mold cavity; the die opening mechanism comprises a first hydraulic rod, the first hydraulic rod is fixedly arranged at the top of the upper die base, the discharging mechanism comprises a vertical sliding rod, a vertical through groove is formed in the male die, vertical strip-shaped grooves are evenly formed in the lower side face of the vertical sliding rod, inner supporting strips are elastically hinged to the vertical strip-shaped grooves, and a lifting table is installed at the top of the vertical sliding rod. A second hydraulic rod is mounted at the top of the lifting table; through the improved design of the upper die base and the lower die base and the mode of drawing twice in sequence, during die opening, cup bodies can be clamped and taken out in an internal clamping mode, and the cup bodies cannot be scattered after being discharged and are more convenient to collect.

Description

Technical Field

[0001] The invention belongs to the technical field of plastic cup processing, and in particular relates to a cup making machine. Background Art

[0002] A cup is a common container, usually used to hold water, beverages and other drinks. There are many common cups on the market, including paper cups, plastic cups, glass cups, stainless steel cups, etc. With the harmlessness of plastic materials, the health hazards of traditional plastic cups no longer exist. Plastic cups are more practical than disposable paper cups, and are less likely to break than glass cups. At the same time, they are lighter than stainless steel cups, so plastic cups have a better market.

[0003] In the processing of plastic cups, blow molding, sheet hot pressing and injection molding can be used. In the injection molding process, people use a punch and a mold cavity to form a molding cavity, fill the molding cavity with injection molding materials and wait for cooling and molding to make a plastic cup. After the plastic cup is cooled and formed, the existing discharge method is mostly to push the bottom of the plastic cup upward to push the plastic cup out of the mold cavity. However, the ejection method cannot clamp the plastic cup, and the plastic cup is easy to scatter after being pushed out of the mold cavity, which is not convenient for collection. Summary of the invention

[0004] The purpose of the present invention is to provide a cup making machine to solve the problems existing in the background technology.

[0005] In order to achieve the above technical objectives, the technical solution adopted by the present invention is as follows: A cup making machine comprises a body, wherein an injection molding mechanism, a mold opening mechanism and a material discharging mechanism are arranged in the body, wherein: The injection molding mechanism comprises an upper mold base and a lower mold base, the upper mold base is processed with a plurality of convex molds at the bottom, the lower mold base is fixedly connected to the inside of the machine body, and the lower mold base is processed with a plurality of mold cavities corresponding to the convex molds, an injection molding feed pipe is installed at the bottom of the mold cavity, and the injection molding feed pipe is installed with a switch valve; The mold opening mechanism includes four first hydraulic rods, which are respectively fixedly arranged on the top of the upper mold base and extend upward through the machine body, and the four first hydraulic rods are jointly lifted and lowered by hydraulic drive; The discharging mechanism includes a plurality of vertical sliding bars, each of which is provided with a vertical through groove in the middle of the punch, each of which is slidably sleeved in each of the vertical through grooves, a plurality of vertical strip grooves are evenly provided on the lower side of the vertical sliding bars, each of which is elastically hinged with an inner support bar, a lifting platform is commonly installed on the top of each of the vertical sliding bars, an opening corresponding to the lifting platform is opened on the top of the machine body, a second hydraulic rod is installed on the top of the lifting platform, and the second hydraulic rod is lifted and lowered by hydraulic drive.

[0006] When the mold is closed, the second hydraulic rod and the first hydraulic rod are lowered to the lowest position, the upper mold base is closed with the lower mold base, and the lifting platform is lowered to the lowest position, so that the lower end surface of the vertical slide bar is flush with the lower end surface of the punch, and each of the inner support bars overcomes the elastic force and is received in each of the vertical strip grooves, and the mold cavity, the punch and the vertical slide bar together form a molding cavity; When the mold is opened, the first hydraulic rod drives the upper mold base to rise to the highest position first, the lower side of the vertical slide bar is no longer blocked, and each of the inner support bars elastically rebounds and expands to provide internal abutment and support for the inner wall of the injection-molded cup body, and the second hydraulic rod moves upward, and the cup body is taken out of the mold cavity through the abutment of each of the inner support bars with the inner wall of the cup body until the cup body just leaves the mold cavity, and then the second hydraulic rod continues to rise to make the upper end of each of the inner support bars and the lower end of the punch, and finally the second hydraulic rod continues to rise to the highest position by the spacing size between the upper end of the inner support bar and the lower end of the vertical slide bar, and the lower end surface of each of the vertical slide bars is flush with the lower end surface of the punch again, and each of the inner support bars overcomes the elastic force and is re-entered into each of the vertical bar grooves, and the cup body no longer abuts against each of the inner support bars and falls down to take the material.

[0007] The machine body also includes a material taking mechanism, which includes transverse slide rails symmetrically installed on the machine body and a material taking pulley slidably connected to the transverse slide rails on both sides.

[0008] The interior of the lower mold base is hollow and the bottom is an open structure. A cooling mechanism is also provided inside the machine body, and the cooling mechanism includes a cold water tank, a water outlet pipe, a return pipe and a lifting slide. The bottom of each mold cavity is processed with a matching sleeve, and the injection molding feed pipe is arranged in the sleeve. The lifting slide is slidably connected to the interior of the lower mold base and is provided with a through hole matching the sleeve. The cold water tank is equipped with a water pump, and the water pump is connected to the lower end of the lower mold base through the water outlet pipe. The cold water tank is also externally connected to a water inlet pipe, and the return pipe is connected to the upper end of the lower mold base. The upper mold base and the lifting slide are fixedly connected by a connecting rod, and the connecting rod slides through the lower mold base.

[0009] The return water pipe is equipped with a pressure valve, and the cold water tank is internally equipped with an electronic liquid level meter.

[0010] When the mold is closed, the lifting slide slides to the lower side of the sleeve, and the bottom of the lower mold base is closed by the sleeves and the lifting slide, and cooling water can be filled into it to cool the injection molding material to accelerate molding; When the mold is opened, when the upper mold base rises to the highest position, the lifting slide moves upward to the upper end of the lower mold base, squeezes out the water inside the lower mold base, and discharges it through the return pipe.

[0011] The feeding pulley is a U-shaped structure, a collecting box is arranged on the lower side of one end of the feeding pulley away from the machine body, the inner wall of the bottom of the feeding pulley is an inclined structure and the lower side is away from the machine body, longitudinal connecting rods are installed on both sides of the end of the feeding pulley away from the machine body, and the longitudinal connecting rods on both sides are respectively slidably connected with the transverse slide rails on both sides, and a self-driving mechanism is jointly set up between the feeding pulley and the lifting platform; The self-driving mechanism comprises a symmetrically arranged erection bracket and a symmetrically arranged guide rail, wherein the erection bracket is fixedly connected to the lifting platform, the end of the erection bracket is fixedly mounted on the top of the guide rail, and the longitudinal connecting rods on both sides are respectively inserted into the guide rails on both sides; The guide rail comprises a first inclined rail, a second inclined rail and a vertical rail, wherein the first inclined rail is located at a side away from the machine body, and two ends of the second inclined rail are respectively connected to the lower side of the first inclined rail and the higher side of the vertical rail, and the lower side of the first inclined rail and the lower side of the second inclined rail are both facing the machine body; The upper and lower spans of the first inclined rail are equal to the upper and lower spans of the cup body just leaving the mold cavity when the mold is opened, and the transverse span of the first inclined rail is equal to the distance from the material taking trolley to the side of the lower mold base close to the transverse slide rail; The upper and lower spans of the second inclined rail are equal to the distance between the upper end of the inner support bar and the lower end of the punch when the cup body just leaves the mold cavity, and the lateral span of the second inclined rail is equal to the distance between the material removal trolley and the lower part of the lower mold base; The upper and lower span dimensions of the vertical rail are equal to the distance dimension between the upper end of the inner support bar and the lower end of the vertical sliding rod.

[0012] The machine body is also symmetrically mounted with telescopic positioning rods, and the telescopic ends of the two telescopic positioning rods are respectively fixedly connected to the bottoms of the two guide rails.

[0013] The present invention improves the design of the upper mold base and the lower mold base, and uses two consecutive demolding methods, so that when the mold is opened, the cup body can be clamped and taken out by internal clamping. Compared with a simple ejection method, the cup body will not be scattered after being taken out, and it is easier to collect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention is further illustrated by means of the non-limiting examples given in the accompanying drawings.

[0015] Figure 1 This is a schematic diagram of the internal structure of Embodiment 1 of the present invention; Figure 2 It is a schematic cross-sectional structure diagram of the upper mold base and the lower mold base when the mold is closed according to the first embodiment of the present invention; Figure 3 Schematic diagram of the cross-sectional structure of the mold opening step ① of the first embodiment of the present invention; Figure 4 Schematic diagram of the cross-sectional structure of the mold opening step ② of the first embodiment of the present invention; Figure 5 Schematic diagram of the cross-sectional structure of the mold opening step ③ of the first embodiment of the present invention; Figure 6 Schematic diagram of the cross-sectional structure of the mold opening step ④ of the first embodiment of the present invention; Figure 7 This is a schematic diagram of the state structure of the material taking pulley during mold closing in the second embodiment of the present invention; Figure 8 This is a schematic diagram of the state structure of the material taking trolley during the mold opening step ② of the second embodiment of the present invention; The main component symbols are described as follows: Cup body 000; The machine body 100, the upper die base 110, the punch 111, the lower die base 120, the mold cavity 121, the injection feeding pipe 122, the switch valve 123, the first hydraulic rod 130, the vertical slide bar 140, the vertical strip groove 141, the inner support bar 142, the lifting platform 143, the opening 144, the second hydraulic rod 145, the horizontal slide rail 150, the material taking pulley 151, the cold water tank 160, the water outlet pipe 161, the water return pipe 162, the lifting slide plate 163, the sleeve 164, the water pump 165, the water inlet pipe 166, and the connecting rod 167; The collecting box 200 , the longitudinal connecting rod 201 , the mounting bracket 210 , the guide rail 220 , the first inclined rail 221 , the second inclined rail 222 , the vertical rail 223 , and the telescopic positioning rod 230 . DETAILED DESCRIPTION

[0016] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Embodiment 1, as Figures 1 to 6 The cup making machine shown in the figure comprises a body 100, in which an injection molding mechanism, a mold opening mechanism and a material discharging mechanism are arranged, wherein: The injection molding mechanism includes an upper mold base 110 and a lower mold base 120. The upper mold base 110 is processed with a plurality of punches 111 at the bottom. The lower mold base 120 is fixedly connected to the inside of the machine body 100, and the lower mold base 120 is processed with a plurality of mold cavities 121 corresponding to the punches 111. An injection molding feed pipe 122 is installed at the bottom of the mold cavity 121, and the injection molding feed pipe 122 is installed with a switch valve 123. The mold opening mechanism includes four first hydraulic rods 130, which are respectively fixed on the top of the upper mold base 110 and extend upward through the machine body 100. The four first hydraulic rods 130 are driven by hydraulic pressure to be lifted and lowered. The discharging mechanism includes a plurality of vertical slide bars 140, each of which has a vertical through groove in the middle, each of which is slidably sleeved in each of which, a plurality of vertical strip grooves 141 are evenly arranged on the lower side of the vertical slide bars 140, each of which is elastically hinged with an inner support bar 142, and a lifting platform 143 is commonly installed on the top of each of the vertical slide bars 140, an opening 144 corresponding to the lifting platform 143 is opened on the top of the machine body 100, and a second hydraulic rod 145 is installed on the top of the lifting platform 143, and the second hydraulic rod 145 is lifted and lowered by hydraulic drive; When the mold is closed, the second hydraulic rod 145 and the first hydraulic rod 130 are lowered to the lowest position, the upper mold base 110 and the lower mold base 120 are closed, and the lifting platform 143 is lowered to the lowest position, so that the lower end surface of the vertical slide bar 140 is flush with the lower end surface of the punch 111, and each inner support bar 142 overcomes the elastic force and is received in each vertical strip groove 141, and the mold cavity 121, the punch 111 and the vertical slide bar 140 together form a molding cavity; When the mold is opened, the first hydraulic rod 130 drives the upper mold base 110 to rise to the highest position first, the lower side of the vertical slide bar 140 is no longer blocked, and each inner support bar 142 elastically rebounds and expands to provide internal abutment support for the inner wall of the injection molded cup body 000. The second hydraulic rod 145 moves upward, and the cup body 000 is taken out of the mold cavity 121 through the abutment of each inner support bar 142 with the inner wall of the cup body 000, until the cup body 000 just leaves the mold cavity 121, and then the second hydraulic rod 1 45 continues to rise so that the upper end of each inner support bar 142 is aligned with the lower end of the punch 111, and finally the second hydraulic rod 145 continues to rise to achieve the highest position by adjusting the distance between the upper end of the inner support bar 142 and the lower end of the vertical slide bar 140. The lower end surface of each vertical slide bar 140 is flush with the lower end surface of the punch 111 again, and each inner support bar 142 overcomes the elastic force and is retracted into each vertical strip groove 141. The cup body 000 no longer abuts against each inner support bar 142 and falls down to take the material.

[0018] After the upper mold base 110 and the lower mold base 120 of the cup making machine are molded together, Figure 1 and Figure 2 As shown, the mold cavity 121, the male mold 111 and the vertical slide bar 140 together constitute a molding cavity. At this time, by opening the switch valve 123 of each injection molding feed pipe 122, the injection molding raw material enters and fills each molding cavity through each injection molding feed pipe 122, and waits for the injection molding raw material to be molded to obtain a plastic cup; After the plastic cup is cooled and formed, the upper mold base 110 can be opened, and the mold opening includes the following steps: Mold opening step ①: Figure 3 As shown, first, each first hydraulic rod 130 is raised to the highest position separately, so that the upper die base 110 moves upward and separates from the lower die base 120. At this time, the punch 111 moves upward relative to the vertical slide bar 140, and the cup body 000 is pressed by the bottom of the vertical slide bar 140 and will not be loosened due to the movement of the punch 111. At the same time, the elastically hinged inner support strips 142 in each vertical strip groove 141 on the lower side of the vertical slide bar 140 will no longer be hindered by the punch 111, so the inner support strips 142 will be elastically expanded to elastically abut against the inner wall of the cup body 000 to form an inner clamp; Mold opening step ②: Figure 4 As shown, the vertical slide bars 140 of the lifting platform 143 are lifted up by the second hydraulic rod 145, so that the cup body 000 is taken out of the mold cavity 121 upwards through the internal support bars 142, so that the cup body 000 just leaves the lower mold base 120, and at this time, the internal support bars 142 are still below the punch 111; Mold opening step ③: Figure 5 As shown, each vertical slide bar 140 continues to rise, so that the upper end of each inner support bar 142 is just at the bottom of the punch 111, and the cup body 000 is raised to the maximum height; Mold opening step ④: Figure 6 As shown, each vertical slide bar 140 continues to rise, and at this time each inner support bar 142 will overcome the elastic force and be received in each vertical strip groove 141, thereby releasing the inner clamping of the cup body 000, and people can collect the cup body 000 until the second hydraulic rod 145 reaches the highest position, at which time the lower end of the vertical slide bar 140 is just flush with the lower end of the punch 111.

[0019] This embodiment improves the design of the upper mold base and the lower mold base, and uses two consecutive demolding methods, so that when the mold is opened, the cup body can be clamped and taken out by internal clamping. Compared with the simple ejection method, the cup body will not be scattered after being taken out, and it is easier to collect.

[0020] As a further improvement of this embodiment, Figure 1As shown, the machine body 100 further includes a material taking mechanism, which includes transverse slide rails 150 symmetrically mounted on the machine body 100 and a material taking pulley 151 slidably connected to the transverse slide rails 150 on both sides.

[0021] When operating the material picking mechanism, during the process of mold opening step ② to step ③, people can slide the material picking trolley 151 to the bottom of the upper mold base 110, so that when the cup body 000 releases the internal clamp, it can fall into the material picking trolley 151, and finally, the material picking can be completed by withdrawing the material picking trolley 151.

[0022] As a further improvement of this embodiment, Figures 1 to 4 As shown, the lower mold base 120 is hollow inside and has an open bottom structure. A cooling mechanism is also provided inside the machine body 100, and the cooling mechanism includes a cold water tank 160, a water outlet pipe 161, a water return pipe 162, and a lifting slide 163. A matching sleeve 164 is processed at the bottom of each mold cavity 121, and the injection feed pipe 122 is arranged in the sleeve 164. The lifting slide 163 is slidably connected to the inside of the lower mold base 120 and is provided with a through hole matching the sleeve 164. The cold water tank 160 is equipped with a water pump 165, and the water pump 165 is connected to the lower end of the lower mold base 120 through a water outlet pipe 161. The cold water tank 160 is also externally connected to a water inlet pipe 166, and a return pipe 162 is connected to the upper end of the lower mold base 120. The upper mold base 110 and the lifting slide plate 163 are fixedly connected by a connecting rod 167, and the connecting rod 167 slides through the lower mold base 120. The return pipe 162 is equipped with a pressure valve, and an electronic liquid level meter is installed inside the cold water tank 160; When the mold is closed, the lifting slide plate 163 slides to the lower side of the sleeve 164, and the bottom of the lower mold base 120 is closed by the sleeves 164 and the lifting slide plate 163, and cooling water can be filled in to cool the injection molding material to accelerate molding; When the mold is opened, when the upper mold base 110 rises to the highest position, the lifting slide plate 163 moves upward to the upper end of the lower mold base 120 to squeeze out the water inside the lower mold base 120 and discharge it through the return pipe 162.

[0023] like Figure 2 As shown, when the upper mold base 110 and the lower mold base 120 are molded together, the lifting slide plate 163 is slid to the lower side of the sleeve 164 through the transmission of the connecting rod 167, and the bottom of the lower mold base 120 is closed by the sleeves 164 and the lifting slide plate 163. At this time, the cold water in the cold water tank 160 can be pumped into the cold water tank 160 through the outlet pipe 161 through the water pump 165, so as to cool the injection molding material and accelerate the molding; like Figure 3As shown, during the mold opening step ①, when the upper mold base 110 is raised to the highest position, the lifting slide plate 163 is moved upward to the upper end of the lower mold base 120 through the transmission of the connecting rod 167, so that the water inside the lower mold base 120 can be squeezed out and finally discharged through the return pipe 162; In the present embodiment, the cold water tank 160 receives cooling water from the outside through the water inlet pipe 166, so that cooling water can be filled into and stored in the cold water tank 160 in real time. The electronic level gauge provided in the cold water tank 160 is used to monitor the water level in the cold water tank 160 to avoid overfilling, and the pressure valve of the return pipe 162 can automatically open for drainage when the lifting slide 163 squeezes water.

[0024] Embodiment 2 is based on embodiment 1, and further improvements are made to facilitate the automatic material taking of the material taking pulley, such as Figure 6 to Figure 7 As shown, the material taking pulley 151 is a U-shaped structure, a collecting box 200 is arranged at the lower side of one end of the material taking pulley 151 away from the machine body 100, the inner wall of the bottom of the material taking pulley 151 is an inclined structure and the lower side is away from the machine body 100, longitudinal connecting rods 201 are installed on both sides of the end of the material taking pulley 151 away from the machine body 100, and the longitudinal connecting rods 201 on both sides are respectively slidably connected with the transverse slide rails 150 on both sides, and a self-driving mechanism is jointly set up between the material taking pulley 151 and the lifting platform 143; The self-driving mechanism includes a symmetrically arranged erection bracket 210 and a symmetrically arranged guide rail 220, the erection bracket 210 is fixedly connected to the lifting platform 143, the end of the erection bracket 210 is fixedly installed on the top of the guide rail 220, and the longitudinal connecting rods 201 on both sides are respectively inserted into the guide rails 220 on both sides; The guide rail 220 includes a first inclined rail 221, a second inclined rail 222 and a vertical rail 223. The first inclined rail 221 is located at a side away from the machine body 100. Two ends of the second inclined rail 222 are respectively connected to the lower side of the first inclined rail 221 and the higher side of the vertical rail 223. The lower side of the first inclined rail 221 and the lower side of the second inclined rail 222 are both facing the machine body 100. The upper and lower spans of the first inclined rail 221 are equal to the upper and lower spans of the cup body 000 just out of the mold cavity 121 when the mold is opened, and the lateral span of the first inclined rail 221 is equal to the distance from the material taking trolley 151 to the side of the lower mold base 120 close to the lateral slide rail 150; The upper and lower spans of the second inclined rail 222 are equal to the distance between the upper end of the inner support bar 142 and the lower end of the punch 111 when the cup body 000 just leaves the mold cavity 121, and the lateral span of the second inclined rail 222 is equal to the distance between the material removal trolley 151 and the lower mold base 120; The vertical span of the vertical rail 223 is equal to the distance between the upper end of the inner support bar 142 and the lower end of the vertical slide bar 140 .

[0025] like Figure 7 As shown, when the mold is closed, the longitudinal connecting rod 201 of the material taking trolley 151 is at the end of the transverse slide rail 150 away from the machine body 100, and the longitudinal connecting rod 201 is also at the higher side of the first inclined rail 221 of the guide rail 220; In the mold opening step ②, if Figure 8 As shown, the lifting platform 143 enables the erection bracket 210 to move upward, so that under the guidance of the longitudinal connecting rod 201 and the first inclined rail 221, the material removal trolley 151 moves horizontally to the side of the lower mold base 120 close to the horizontal slide rail 150; In the mold opening step ③, similarly, the lifting platform 143 continues to move the erection bracket 210 upward, so that under the guidance of the longitudinal connecting rod 201 and the second inclined rail 222, the material removal trolley 151 moves horizontally to the bottom of the lower mold base 120; In the mold opening step ④, similarly, the lifting platform 143 continues to move the erection bracket 210 upward, so that under the cooperation of the longitudinal connecting rod 201 and the vertical rail 223, the material taking trolley 151 no longer moves horizontally, and the cup body 000 that is released from the clamping can automatically fall into the material taking trolley 151, and slide into the collection box 200 through the inclined surface at the bottom of the material taking trolley 151, and the prepared cup body 000 is collected; When the material-collecting trolley 151 returns to its original position, the lifting platform 143 drives the mounting bracket 210 to return to its original position, so that the material-collecting trolley 151 can automatically withdraw again through the guidance of the longitudinal connecting rod 201 and the guide rail 220, and because the cup body 000 falls into the collection box 200, it will not hinder the return of the lifting platform 143, thereby realizing the automatic reciprocating material collection of the material-collecting trolley 151.

[0026] As a further optimization of this embodiment, Figures 7 and 8 As shown, the machine body 100 is also symmetrically mounted with telescopic positioning rods 230 , and the telescopic ends of the two telescopic positioning rods 230 are fixedly connected to the bottoms of the two guide rails 220 , respectively.

[0027] By providing the telescopic positioning rod 230 , the guide rail 220 can be further supported to ensure the stability of the guide rail 220 in the vertical direction.

[0028] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A cup making machine, comprising an organism, characterized in that: The machine body is provided with an injection molding mechanism, a mold opening mechanism and a material discharging mechanism, wherein: The injection molding mechanism comprises an upper mold base and a lower mold base, the upper mold base is processed with a plurality of convex molds at the bottom, the lower mold base is fixedly connected to the inside of the machine body, and the lower mold base is processed with a plurality of mold cavities corresponding to the convex molds, an injection molding feed pipe is installed at the bottom of the mold cavity, and the injection molding feed pipe is installed with a switch valve; The mold opening mechanism includes four first hydraulic rods, which are respectively fixedly arranged on the top of the upper mold base and extend upward through the machine body, and the four first hydraulic rods are jointly lifted and lowered by hydraulic drive; The discharging mechanism includes a plurality of vertical sliding bars, each of which is provided with a vertical through groove in the middle of the punch, each of which is slidably sleeved in each of the vertical through grooves, a plurality of vertical strip grooves are evenly provided on the lower side of the vertical sliding bars, each of which is elastically hinged with an inner support bar, a lifting platform is commonly installed on the top of each of the vertical sliding bars, an opening corresponding to the lifting platform is opened on the top of the machine body, a second hydraulic rod is installed on the top of the lifting platform, and the second hydraulic rod is lifted and lowered by hydraulic drive.

2. A cup making machine according to claim 1, characterized in that: When the mold is closed, the second hydraulic rod and the first hydraulic rod are lowered to the lowest position, the upper mold base is closed with the lower mold base, and the lifting platform is lowered to the lowest position, so that the lower end surface of the vertical slide bar is flush with the lower end surface of the punch, and each of the inner support bars overcomes the elastic force and is received in each of the vertical strip grooves, and the mold cavity, the punch and the vertical slide bar together form a molding cavity; When the mold is opened, the first hydraulic rod drives the upper mold base to rise to the highest position first, the lower side of the vertical slide bar is no longer blocked, and each of the inner support bars elastically rebounds and expands to provide internal abutment and support for the inner wall of the injection-molded cup body, and the second hydraulic rod moves upward, and the cup body is taken out of the mold cavity through the abutment of each of the inner support bars with the inner wall of the cup body until the cup body just leaves the mold cavity, and then the second hydraulic rod continues to rise to make the upper end of each of the inner support bars and the lower end of the punch, and finally the second hydraulic rod continues to rise to the highest position by the spacing size between the upper end of the inner support bar and the lower end of the vertical slide bar, and the lower end surface of each of the vertical slide bars is flush with the lower end surface of the punch again, and each of the inner support bars overcomes the elastic force and is re-entered into each of the vertical bar grooves, and the cup body no longer abuts against each of the inner support bars and falls down to take the material.

3. A cup making machine according to claim 2, characterized in that: The machine body also includes a material taking mechanism, which includes transverse slide rails symmetrically installed on the machine body and a material taking pulley slidably connected to the transverse slide rails on both sides.

4. A cup making machine according to claim 3, characterized in that: The interior of the lower mold base is hollow and the bottom is an open structure. A cooling mechanism is also provided inside the machine body, and the cooling mechanism includes a cold water tank, a water outlet pipe, a return pipe and a lifting slide. The bottom of each mold cavity is processed with a matching sleeve, and the injection molding feed pipe is arranged in the sleeve. The lifting slide is slidably connected to the interior of the lower mold base and is provided with a through hole matching the sleeve. The cold water tank is equipped with a water pump, and the water pump is connected to the lower end of the lower mold base through the water outlet pipe. The cold water tank is also externally connected to a water inlet pipe, and the return pipe is connected to the upper end of the lower mold base. The upper mold base and the lifting slide are fixedly connected by a connecting rod, and the connecting rod slides through the lower mold base.

5. A cup making machine according to claim 4, characterized in that: The return water pipe is equipped with a pressure valve, and the cold water tank is internally equipped with an electronic liquid level meter.

6. A cup making machine according to claim 5, characterized in that: When the mold is closed, the lifting slide slides to the lower side of the sleeve, and the bottom of the lower mold base is closed by the sleeves and the lifting slide, and cooling water can be filled into it to cool the injection molding material to accelerate molding; When the mold is opened, when the upper mold base rises to the highest position, the lifting slide moves upward to the upper end of the lower mold base, squeezes out the water inside the lower mold base, and discharges it through the return pipe.

7. A cup making machine according to claim 6, characterized in that: The feeding pulley is a U-shaped structure, a collecting box is arranged on the lower side of one end of the feeding pulley away from the machine body, the inner wall of the bottom of the feeding pulley is an inclined structure and the lower side is away from the machine body, longitudinal connecting rods are installed on both sides of the end of the feeding pulley away from the machine body, and the longitudinal connecting rods on both sides are respectively slidably connected with the transverse slide rails on both sides, and a self-driving mechanism is jointly set up between the feeding pulley and the lifting platform; The self-driving mechanism comprises a symmetrically arranged erection bracket and a symmetrically arranged guide rail, wherein the erection bracket is fixedly connected to the lifting platform, the end of the erection bracket is fixedly mounted on the top of the guide rail, and the longitudinal connecting rods on both sides are respectively inserted into the guide rails on both sides; The guide rail comprises a first inclined rail, a second inclined rail and a vertical rail, wherein the first inclined rail is located at a side away from the machine body, and two ends of the second inclined rail are respectively connected to the lower side of the first inclined rail and the higher side of the vertical rail, and the lower side of the first inclined rail and the lower side of the second inclined rail are both facing the machine body; The upper and lower spans of the first inclined rail are equal to the upper and lower spans of the cup body just leaving the mold cavity when the mold is opened, and the transverse span of the first inclined rail is equal to the distance from the material taking trolley to the side of the lower mold base close to the transverse slide rail; The upper and lower spans of the second inclined rail are equal to the distance between the upper end of the inner support bar and the lower end of the punch when the cup body just leaves the mold cavity, and the lateral span of the second inclined rail is equal to the distance between the material removal trolley and the lower part of the lower mold base; The upper and lower span dimensions of the vertical rail are equal to the distance dimension between the upper end of the inner support bar and the lower end of the vertical sliding rod.

8. A cup making machine according to claim 7, characterized in that: The machine body is also symmetrically mounted with telescopic positioning rods, and the telescopic ends of the two telescopic positioning rods are respectively fixedly connected to the bottoms of the two guide rails.

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