Self-adaptive roller head seat for numerical control forming of domestic ceramics and control method of self-adaptive roller head seat

Abstract

The invention discloses a self-adaptive roller head seat for daily ceramic numerical control forming and a control method thereof.The roller head seat comprises a sliding seat, the ends of two clamping plates on the front face of the sliding seat are hinged to a machine box of a roller head mechanism, a clamping assembly in the roller head mechanism can automatically assemble and disassemble a roller head, and the back side of the machine box is hinged to the upper end of a push-pull rod; the sliding frame is in sliding connection with a sliding rail facing the roller head mechanism, a threaded base on the bottom face of the sliding frame is in threaded connection with a spiral rotating shaft parallel to the sliding rail, and the end of the spiral rotating shaft is connected with the output end of an adjusting motor; the control method comprises the steps of roller head judgment, roller head replacement and roller forming. According to the rolling head mechanism, the rolling head can be automatically clamped and loosened, the inclination angle is changed by adjusting the motor, the machining requirements of different ceramic devices can be met, full-automatic and non-stop production of various small-batch domestic ceramic suites is met, and the labor cost is reduced while the production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of ceramic processing equipment, and in particular to an adaptive roller head seat used for numerical control forming of daily-use ceramics and a control method thereof. Background Art

[0002] Daily-use ceramics include bowls, plates, basins, cups and other types of vessels, each of which has a variety of shapes and specifications. These ceramics of different shapes and sizes are usually processed by a rolling production line. During the processing, the cut mud strips need to be put into a gypsum mold, and then transported to the bottom of the rolling machine by a conveyor belt, and rolled into shape by a high-speed rotating roller head. Different types of vessels require corresponding roller heads and molds, and there are differences in the parameters such as the angle, rotation speed, and depth of the cooperation between different roller heads and molds. Therefore, before the operation of the existing rolling machine, it is necessary to manually install the corresponding roller head on the roller head seat according to the type of ceramic to be processed, and adjust the angle of the roller head seat. When other types of ceramics need to be produced, the production line must be suspended, and the new roller head must be manually replaced and the angle adjusted. The whole process is very time-consuming and labor-intensive, which is not conducive to the production of multiple types and small batches of daily-use ceramic kits. A new device is needed to solve the above problems. Summary of the invention

[0003] In order to solve the above problems, the present invention proposes an adaptive roller head seat for CNC forming of daily-use ceramics, including a sliding seat, a chassis of a roller head mechanism hinged at the ends of two clamping plates on the front of the sliding seat, a clamping component in the roller head mechanism that can automatically load and unload the roller head, the upper end of the push-pull rod is hinged on the back side of the chassis, the lower end of the push-pull rod is hinged to the hinged seat on the top surface of the sliding frame, the sliding frame is slidably connected to a slide rail facing the roller head mechanism, the threaded seat on the bottom surface of the sliding frame is threadedly connected to a spiral shaft parallel to the slide rail, and the end of the spiral shaft is connected to the output end of the adjusting motor.

[0004] Furthermore, the mounting base plate of the adjusting motor is clamped on the upper side of the middle part of the two clamping plates, a limit sleeve is provided on the end of the spiral shaft close to the adjusting motor, both ends of the spiral shaft are rotatably connected to the bearing seat on the top surface of the support frame, the support frame is clamped on the lower side of the middle part of the two clamping plates, the sliding rails are installed on both sides of the top surface of the support frame, the sliding rails are slidably connected to the sliders on both sides of the bottom surface of the sliding frame, a limit bracket is provided on the top surface of the support frame close to the roller head mechanism, and the limit bracket is threadedly connected to the rubber-coated screw.

[0005] Furthermore, the rolling head mechanism includes a transmission box, the front end of the transmission box is installed on the top of the chassis, the two boxes are internally connected, a driving motor is installed on the top surface of the rear end of the transmission box, the output end of the driving motor extends vertically downward into the transmission box to connect to the driving wheel, the driving wheel is connected to the roller shaft body and the driven wheel through a transmission belt, the roller is rotatably connected to the inside of the chassis, the roller has a built-in clamping assembly, the lower end of the clamping assembly is connected to the rolling head, the upper end of the clamping assembly is connected to the output end of the knife cylinder, and the knife cylinder body is installed on the top surface of the front end of the transmission box.

[0006] Furthermore, the clamping assembly includes a pull rod, the upper end of the pull rod is connected to the inner wall of the arm tube through a plurality of bearings, a top ring is provided between the inner and outer rings of adjacent bearings, the lower end of the arm tube is threadedly connected to the ring cover, the ring cover is pressed against the outer ring of the bearing, the top surface of the pull rod is threadedly connected to the cover nail, the cover nail is pressed against the inner ring of the bearing, the upper end of the arm tube is connected to the bolt head of the output end of the knife cylinder through a limit cover, a return spring is provided between the pull rod body ring body and the roller inner cavity ring stage, the lower end of the pull rod is connected to the clamping tube, and a limit bead is provided in the cavity arranged around the clamping tube body. When the knife cylinder is pushed out, the cavity is lowered to communicate with the expansion chamber in the roller, the bottom of the roller cooperates with the conical surface of the roller head, the pull nail of the roller head extends into the clamping tube and contacts the bottom surface of the top block, the rod part of the top block is connected to the top surface of the clamping tube through a tightening spring, and the sliding shafts on both sides of the top block are slidably connected to the vertical waist hole of the clamping tube.

[0007] Furthermore, the two sides of the chassis are rotatably connected to the support shafts, and the shaft bodies of the support shafts on both sides are hinged to the corresponding clamping plates through double-row tapered roller bearings and deep groove ball bearings respectively.

[0008] Furthermore, a pointer is provided on one side of the chassis and points vertically downward along the chassis to the hinge point of the chassis. The pointer cooperates with a dial on the same side of the clamping plate, and the dial is co-centered with the hinge point of the chassis.

[0009] The present invention also proposes a control method for the roller head seat, comprising the following steps: Roller head judgment: The mold sensor on the production line identifies the mold type according to the mold mark and sends the recognition result to the roller head console. The console determines whether the current clamping roller head matches the mold. When the two do not match, the roller head replacement step is executed. When the two match, the roll forming operation is performed; Roller head replacement: The rolling machine drives the roller head seat forward to the tool-changing high position, and the roller head rack carrying various roller heads moves to the bottom of the roller head seat, so that the empty position of the roller head rack is opposite to the roller head clamped by the roller head seat, and the roller head seat moves down to the tool-changing low position, so that the roller head is inserted into the empty position of the roller head rack, and the output end of the knife-beating cylinder moves down to release the roller head, and the roller head seat moves up to the tool-changing high position, and the roller head rack moves the target roller head to the bottom of the roller head seat, and the roller head seat moves down to the tool-changing low position, and the pull pin of the roller head is inserted into the clamping assembly, and the output end of the knife-beating cylinder moves up to clamp the roller head, and after the roller head seat moves up to the tool-changing high position, the roller head rack withdraws, and the rolling machine drives the roller head seat to move to the standby position; Rolling forming: The roller support drives the mold to rotate and rise to the rolling position, the drive motor is started to drive the roller head to rotate, the roller head seat descends to allow the roller head to enter the mold below, the adjustment motor is started to drive the sliding frame to move along the slide rail, the sliding frame rotates the roller head mechanism to the target angle through the push-pull rod, the roller head squeezes the mud strips in the mold to form a blank, then the roller head translates and resets with the roller head seat, the mold stops rotating and descends, and enters the next process with the production line.

[0010] The beneficial effects of the present invention are as follows: the roller head mechanism in the roller head seat can drive the clamping assembly to automatically clamp and release the roller head through the knife cylinder. The chassis of the roller head mechanism is connected to the sliding frame through a push-pull rod. The motor is adjusted to push the sliding frame to change the inclination angle of the chassis, so that different types of roller heads are adjusted to corresponding working angles, and coordinated with corresponding parameters such as the rotation speed, so as to adapt to the processing requirements of different types of ceramics, and meet the fully automatic and non-stop production of various types and small batches of daily-use ceramic kits, while improving production efficiency and reducing labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a front view structural schematic diagram of the present invention; Figure 3 It is a right side structural cross-sectional view of the present invention; Figure 4 It is a rear structural cross-sectional view of the present invention; Figure 5 It is a left-side structural schematic diagram of the present invention; Figure 6 for Figure 5 A partial enlarged view of the middle A area; Figure 7 for Figure 5 A partial enlarged view of the middle B area; Figure 8 It is a schematic diagram of the top view of the structure of the present invention; Fig. 9 It is a schematic diagram of the structure of the type A roller head in the present invention; Fig.10 It is a structural schematic diagram of a type B roller head in the present invention; Fig.11 It is a schematic diagram of the structure of the type C roller head in the present invention; Fig.12 It is a schematic structural diagram of a type D roller head in the present invention.

[0012] The reference numerals are as follows: 1. sliding seat; 101. clamping plate; 102. dial; 2. chassis; 201. pointer; 3. push-pull rod; 4. sliding frame; 401. hinged seat; 402. threaded seat; 403. slider; 5. slide rail; 6. spiral shaft; 7. adjusting motor; 701. mounting seat plate; 8. limiting sleeve; 9. supporting frame; 901. bearing seat; 10. limiting bracket; 11. rubber-coated screw; 12. transmission box; 13. driving motor; 1301. Driving wheel; 14, roller; 1401, driven wheel; 1402, inner expansion chamber; 15, roller head; 16, knife-beating cylinder; 17, pull rod; 1701, cover nail; 18, holder tube; 19, top ring; 20, ring cover; 21, limit cover; 22, return spring; 23, clamping tube; 2301, vertical waist hole; 24, limit bead; 25, top block; 2501, sliding shaft; 26, top tightening spring; 27, double-row tapered roller bearing; 28, deep groove ball bearing; 29, support shaft. DETAILED DESCRIPTION

[0013] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0014] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0015] The present invention will be further described below in conjunction with the accompanying drawings: like Figures 1 to 12As shown, an adaptive roller head seat for CNC forming of daily-use ceramics includes a slide 1, the back of the slide 1 is connected to the lifting seat of a rolling machine, a chassis 2 of a roller head mechanism is arranged between the ends of two clamping plates 101 on the front of the slide 1, support shafts 29 are rotatably connected to the two sides of the chassis 2, and the shaft bodies of the support shafts 29 on both sides are respectively hinged to the corresponding clamping plates 101 through double-row tapered roller bearings 27 and deep groove ball bearings 28, and a pointer 201 is arranged on one side of the chassis 2, which points vertically downward along the box body to the hinge point of the box body, and the pointer 201 cooperates with the dial 102 of the clamping plate 101 on the same side, and the dial 102 is cocentric with the hinge point of the box body. The top of the chassis 2 is connected to the front end of the transmission box 12, and a driving motor 13 is installed on the top surface of the rear end of the transmission box 12. The output end of the driving motor 13 extends vertically downward into the transmission box 12 to connect to the driving wheel 1301. The driving wheel 1301 is connected to the shaft body of the roller 14 and the driven wheel 1401 through a transmission belt. The roller 14 is rotatably connected to the inside of the chassis 2, and the roller 14 has a built-in clamping component.

[0016] In this embodiment, the clamping assembly includes a pull rod 17, the upper end of the pull rod 17 is connected to the inner wall of the arm tube 18 through a plurality of bearings, a top ring 19 is provided between the inner and outer rings of adjacent bearings, the lower end of the arm tube 18 is threadedly connected to the ring cover 20, the ring cover 20 is pressed against the outer ring of the bearing, the top surface of the pull rod 17 is threadedly connected to the cover nail 1701, the cover nail 1701 is pressed against the inner ring of the bearing, the upper end of the arm tube 18 is connected to the output end bolt head of the knife cylinder 16 through a limit cover 21, the cylinder body of the knife cylinder 16 is installed on the top surface of the first end of the transmission box 12, a return spring 22 is provided between the rod body ring body of the pull rod 17 and the inner cavity ring stage of the roller 14, the lower end of the pull rod 17 is connected to the clamping tube 23, and a limit bead is provided in the cavity of the clamping tube 23. 24. When the knife-beating cylinder 16 is pushed out, the cavity is lowered to communicate with the inner expansion chamber 1402 of the roller 14. At this time, the limiting bead 24 can enter the inner expansion chamber 1402 to release the internal space of the roller 14. The bottom of the roller 14 cooperates with the conical surface of the roller head 15. The pull pin 1501 of the roller head 15 extends into the clamping tube 23 and contacts the bottom surface of the top block 25. The rod of the top block 25 is connected to the inner top surface of the clamping tube 23 through the tensioning spring 26. The sliding shafts 2501 on both sides of the top block 25 are slidably connected to the vertical waist holes 2301 of the clamping tube 23. When the knife-beating cylinder 16 drives the pull rod 17 upward, the limiting bead 24 is re-entered into the cavity to limit the bottom of the pull pin 1501 top cap, thereby clamping the roller head 15.

[0017] In this embodiment, the upper end of the push-pull rod 3 is hinged on the back side of the chassis 2, and the lower end of the push-pull rod 3 is hinged on the hinged seat 401 on the top surface of the sliding frame 4. The threaded seat 402 on the bottom surface of the sliding frame 4 is threadedly connected to the spiral shaft 6 facing the roller head mechanism, and the end of the spiral shaft 6 is connected to the output end of the adjusting motor 7. The mounting seat plate 701 of the adjusting motor 7 is clamped on the upper side of the middle of the two clamping plates 101. A limit sleeve 8 is provided on the end of the spiral shaft 6 close to the adjusting motor 7. The two ends of the spiral shaft 6 are rotatably connected to the bearing seat 901 on the top surface of the support frame 9. The support frame 9 is clamped on the lower side of the middle of the two clamping plates 101. Slide rails 5 parallel to the spiral shaft 6 are installed on both sides of the top surface of the support frame 9. The slide rails 5 are slidably connected to the sliders 403 on both sides of the bottom surface of the sliding frame 4. A limit bracket 10 is provided on the top surface of the support frame 9 close to the roller head mechanism, and the limit bracket 10 is threadedly connected to the rubber-coated screw 11.

[0018] The above-mentioned roller head seat control method comprises the following steps: Roller head judgment: The mold sensor on the production line identifies the mold type according to the mold mark and sends the recognition result to the roller head console. The console determines whether the current clamping roller head matches the mold. When the two do not match, the roller head replacement step is executed. When the two match, the roll forming operation is performed; Roller head replacement: The rolling machine drives the roller head seat forward to the tool-changing high position, and the roller head rack carrying various roller heads 15 moves to the bottom of the roller head seat, so that the empty position of the roller head rack is opposite to the roller head 15 clamped by the roller head seat, and the roller head seat moves down to the tool-changing low position, so that the roller head 15 is inserted into the empty position of the roller head rack, and the output end of the knife-beating cylinder 16 moves down to release the roller head 15, and the roller head seat moves up to the tool-changing high position, and the roller head rack moves the target roller head 15 to the bottom of the roller head seat, and the roller head seat moves down to the tool-changing low position, and the rivet 1501 of the roller head 15 is inserted into the clamping assembly, and the output end of the knife-beating cylinder 16 moves up to clamp the roller head 15, and after the roller head seat moves up to the tool-changing high position, the roller head rack withdraws, and the rolling machine drives the roller head seat to move to the standby position; Rolling forming: The roller support drives the mold to rotate and rise to the rolling position, the drive motor 13 is started to drive the roller head 15 to rotate, the roller head seat descends to allow the roller head 15 to enter the mold below, the adjustment motor 7 is started to drive the sliding frame 4 to move along the slide rail 5, the sliding frame 4 rotates the roller head mechanism to the target angle through the push-pull rod 3, the roller head 15 squeezes the mud strips in the mold to form a blank, and then the roller head 15 translates and resets with the roller head seat, the mold stops rotating and descends, and enters the next process with the production line.

[0019] The specific parameters of the four roller heads are further described below. It should be noted that the roller heads that can be used in the present invention are not limited to the following four types, but are customized and debugged according to product requirements.

[0020] like Fig. 9 The figure shows a type A roller head, in which the roller head 15 rotates at 450 rpm, the support drum rotates at 150 rpm, the working inclination angle is 2°, and the translation amount is 5.00 mm. Fig.10 The B-type roller head is shown. When the roller head 15 is in operation, the rotation speed is 460 rpm, the rotation speed of the support drum is 125 rpm, the working inclination angle is 5°, and the translation amount is 5.00 mm. Fig.10 The C-type roller head is shown. When the roller head 15 is in operation, the rotation speed is 450 rpm, the rotation speed of the support drum is 150 rpm, the working inclination angle is 12°, and the translation amount is 0 mm. Fig.10 The D-type roller head is shown. During operation, the roller head 15 rotates at 425 rpm, the support drum rotates at 130 rpm, the working inclination angle is 2°, and the translation amount is 3.00 mm.

[0021] The roller head mechanism in the present invention can adjust different types of roller heads 15 to corresponding working angles and rotation speeds, thereby adapting to the processing requirements of different ceramic types and meeting the fully automatic, non-stop production of various types and small batches of daily-use ceramic kits, thereby improving production efficiency and reducing labor costs.

[0022] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. An adaptive roller head seat for daily ceramic CNC molding, comprising a slide seat (1), characterized in that: The ends of the two clamping plates (101) on the front of the slide seat (1) are hinged to the chassis (2) of the roller head mechanism, and the clamping assembly in the roller head mechanism can automatically load and unload the roller head (15). The back side of the chassis (2) is hinged to the upper end of the push-pull rod (3), and the lower end of the push-pull rod (3) is hinged to the hinge seat (401) on the top surface of the sliding frame (4). The sliding frame (4) is slidably connected to the sliding rail (5) facing the roller head mechanism. The threaded seat (402) on the bottom surface of the sliding frame (4) is threadedly connected to a spiral shaft (6) parallel to the sliding rail (5), and the end of the spiral shaft (6) is connected to the output end of the adjustment motor (7).

2. The adaptive roller head seat for CNC forming of daily-use ceramics according to claim 1 is characterized in that: The mounting seat plate (701) of the adjusting motor (7) is clamped on the upper side of the middle of the two clamping plates (101); a limit sleeve (8) is provided at one end of the spiral shaft (6) close to the adjusting motor (7); both ends of the spiral shaft (6) are rotatably connected to the bearing seat (901) on the top surface of the support frame (9); the support frame (9) is clamped on the lower side of the middle of the two clamping plates (101); the slide rail (5) is installed on both sides of the top surface of the support frame (9); the slide rail (5) is slidably connected to the sliders (403) on both sides of the bottom surface of the sliding frame (4); a limit bracket (10) is provided on the top surface of the support frame (9) close to the roller head mechanism; the limit bracket (10) is threadedly connected to the rubber-coated screw (11).

3. The adaptive roller head seat for CNC molding of daily-use ceramics according to claim 1 is characterized by: The roller head mechanism comprises a transmission box (12), the front end of the transmission box (12) is mounted on the top of the chassis (2), the two boxes are connected internally, a driving motor (13) is mounted on the top surface of the rear end of the transmission box (12), the output end of the driving motor (13) vertically extends downward into the transmission box (12) to connect to a driving wheel (1301), the driving wheel (1301) is connected to the shaft body of a roller (14) and a driven wheel (1401) through a transmission belt, the roller (14) is rotatably connected to the inside of the chassis (2), the roller (14) has a built-in clamping assembly, the lower end of the clamping assembly is connected to the roller head (15), the upper end of the clamping assembly is connected to the output end of a knife-beating cylinder (16), and the cylinder body of the knife-beating cylinder (16) is mounted on the top surface of the front end of the transmission box (12).

4. The adaptive roller head seat for CNC forming of daily-use ceramics according to claim 3 is characterized by: The clamping assembly comprises a pull rod (17), the upper end of the pull rod (17) is connected to the inner wall of the arm tube (18) through a plurality of bearings, a top ring (19) is provided between the inner and outer rings of adjacent bearings, the lower end of the arm tube (18) is threadedly connected to a ring cover (20), the ring cover (20) is pressed against the outer ring of the bearing, the top surface of the pull rod (17) is threadedly connected to a cover nail (1701), the cover nail (1701) is pressed against the inner ring of the bearing, the upper end of the arm tube (18) is connected to the output end bolt head of the knife cylinder (16) through a limit cover (21), a return spring (22) is provided between the rod body ring of the pull rod (17) and the inner cavity ring stage of the roller (14), the pull rod (17) The lower end is connected to the clamping tube (23), and a limiting bead (24) is provided in the cavity arranged around the body of the clamping tube (23). When the knife-beating cylinder (16) is ejected, the cavity is lowered to communicate with the expansion chamber (1402) in the roller (14), and the bottom of the roller (14) cooperates with the conical surface of the roller head (15). The pull pin (1501) of the roller head (15) extends into the clamping tube (23) and contacts the bottom surface of the top block (25). The rod of the top block (25) is connected to the top surface of the clamping tube (23) through the tension spring (26), and the sliding shafts (2501) on both sides of the top block (25) are slidably connected to the vertical waist hole (2301) of the clamping tube (23).

5. The adaptive roller head seat for CNC forming of daily-use ceramics according to claim 1 is characterized by: The chassis (2) is rotatably connected to support shafts (29) on both sides, and the shaft bodies of the support shafts (29) on both sides are respectively hinged to corresponding clamping plates (101) through double-row tapered roller bearings (27) and deep groove ball bearings (28).

6. The adaptive roller head seat for CNC molding of daily-use ceramics according to claim 1 is characterized by: A pointer (201) is provided on one side of the case (2) and points vertically downward along the case toward the hinge point of the case. The pointer (201) cooperates with a scale plate (102) on the same side of the clamping plate (101). The scale plate (102) and the hinge point of the case are co-centered.

7. The control method of the adaptive roller head seat according to any one of claims 1 to 6, comprising the following steps: Roller head judgment: The mold sensor on the production line identifies the mold type according to the mold mark and sends the recognition result to the roller head console. The console determines whether the current clamping roller head matches the mold. When the two do not match, the roller head replacement step is executed. When the two match, the roll forming operation is performed; Roller head replacement: The rolling machine drives the roller head seat forward to the tool change high position, and the roller head rack carrying various roller heads (15) moves to the bottom of the roller head seat so that the empty position of the roller head rack is aligned with the roller head (15) clamped by the roller head seat. The roller head seat moves down to the tool change low position, so that the roller head (15) is inserted into the empty position of the roller head rack. The output end of the knife-beating cylinder (16) moves down to release the roller head (15). The roller head seat moves up to the tool change high position, and the roller head rack moves the target roller head (15) to the bottom of the roller head seat. The roller head seat moves down to the tool change low position, and the pull pin (1501) of the roller head (15) is inserted into the clamping assembly. The output end of the knife-beating cylinder (16) moves up to clamp the roller head (15). After the roller head seat moves up to the tool change high position, the roller head rack is withdrawn, and the rolling machine drives the roller head seat to move to the standby position. Rolling forming: The roller support drives the mold to rotate and rise to the rolling position, the drive motor (13) is started to drive the roller head (15) to rotate, the roller head seat descends to allow the roller head (15) to enter the lower mold, the adjustment motor (7) is started to drive the sliding frame (4) to move along the slide rail (5), the sliding frame (4) rotates the roller head mechanism to the target angle through the push-pull rod (3), the roller head (15) squeezes the mud strips in the mold to form a blank, and then the roller head (15) moves horizontally and resets with the roller head seat, the mold stops rotating and descends, and enters the next process with the production line.

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