Furnace door opening and closing mechanism of slush molding equipment
By designing a furnace door opening and closing mechanism of a plastic-plastic equipment that includes power output, guide transmission, chain transmission, furnace door connection and in-place sensing components, the problems of cumbersome structure and lack of safety protection in traditional devices are solved, and the equipment is efficient, stable and safe operation is achieved.
Patent Information
- Application Number
- CN202510272962.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2025-06-06
AI Technical Summary
The furnace door opening and closing device of traditional plastic slimming equipment is cumbersome, which makes the equipment assembly and maintenance difficult and costly, and is prone to mechanical failures, affecting production continuity and efficiency, and lacks precise position monitoring and safety protection mechanisms, which can easily lead to equipment damage and product quality fluctuations.
A furnace door opening and closing mechanism including a power output assembly, a guide transmission assembly, a chain transmission assembly, a furnace door connection assembly and an in-place sensing assembly is designed. The furnace door is driven by a cylinder to achieve a smooth opening and closing, and the furnace door is ensured in place and safe operation through a micro-movement sensor and buffer assembly.
It improves the structural optimization, operation convenience, stability and safety of the equipment, significantly enhances the production efficiency and comprehensive equipment performance, avoids equipment failures and product quality fluctuations, and extends the service life of the equipment.
Smart Images
Figure CN120096008A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the field of automobile accessories manufacturing, and in particular relates to a furnace door opening and closing mechanism of slush molding equipment. Background Art
[0002] In the automotive interior slush molding process, the furnace door is frequently opened and closed. The traditional furnace door opening and closing device generally has a complicated structure. The complex combination of many parts makes the equipment assembly and maintenance difficult and costly. The complex structure can easily cause mechanical failures, affecting production continuity. The operation process is long and complicated, which seriously reduces production efficiency and is difficult to adapt to the large-scale and rapid production rhythm of modern automotive interiors. Large vibrations are often generated during the opening and closing process, which accelerates the wear of equipment parts and shortens the service life of the equipment. At the same time, it interferes with the stability of parameters such as temperature and pressure in the slush molding process, causing product quality fluctuations. In addition, the traditional device lacks accurate furnace door position monitoring and safety protection mechanisms, and is prone to equipment collision damage accidents caused by improper opening and closing of the furnace door, causing economic losses to the company. Summary of the invention
[0003] In order to solve the above problems existing in the prior art, the present invention provides a furnace door opening and closing mechanism for slush molding equipment, which has optimized structure, convenient operation, high efficiency, stability, safety and reliability, and improves production efficiency and comprehensive performance of the equipment.
[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a furnace door opening and closing mechanism of an slush molding equipment, comprising a power output component, a guide transmission component, a chain transmission component, a furnace door connecting component and an in-place sensing component, wherein the power output component is fixed on the outer wall of the furnace body, the guide transmission component is fixed on the upper end of the power output component, the lower part of the chain transmission component is connected to the guide transmission component, the upper part of the chain transmission component is connected to the furnace door through the furnace door connecting component and drives the furnace door to open and close, the in-place sensing component is arranged on one side of the upper part of the chain transmission component, the power output component outputs power to the guide transmission component, the guide transmission component transmits power to the chain transmission component, the chain transmission component drives the furnace door to open and close, the edge of the furnace door connecting component touches the in-place sensing component to realize the closing and opening of the furnace door, so that the furnace door stops moving.
[0005] Furthermore, the power output assembly includes a cylinder, a rack, an L-fixing plate, a cylinder mounting plate, a fixing plate, square steel and a square steel fixing seat. The cylinder is fixed to a fixing platform on the outer wall of the equipment through the cylinder mounting plate below the cylinder, and is fixed to the square steel on the rear side through the L-fixing plate above the cylinder. Both sides of the top of the square steel are fixed to the furnace body through the square steel fixing seats, and the bottom end is fixed to the fixing platform on the outer wall of the equipment through the fixing plate. The lower end of the rack is directly connected to the piston rod on the cylinder, and the upper part is connected to the guide transmission assembly.
[0006] Furthermore, the guide transmission assembly includes a guide fixing plate, a rear guide bearing assembly, a side guide bearing assembly, a bearing seat, a transmission gear and an output shaft. The guide fixing plate is arranged in two left and right pieces and the rear side thereof is fixed to the upper side of the square steel. The transmission gear is arranged between the front parts of the two guide fixing plates and the output shaft passes through the guide fixing plates and the transmission gear in sequence. The bearing seat is passed through by the output shaft and is fixed on the two outer side walls of the two guide fixing plates. The upper part of the rack passes through the middle of the two guide fixing plates and meshes with the transmission gear. The rack is located behind the transmission gear. The rear guide bearing assembly contacts the rear of the rack and is fixed to the rear of the two guide fixing plates. The side guide bearing assemblies are fixed on the two guide fixing plates and the side guide bearing assemblies contact the two side surfaces of the rack.
[0007] Furthermore, the chain transmission assembly includes a driving sprocket, a chain, two driven sprockets, a tensioning sprocket, a sprocket fixing seat A and a sprocket fixing seat B. The driving sprocket is connected to one end of the output shaft, the two driven sprockets are respectively fixed on one side of the sprocket fixing seat A and one side of the sprocket fixing seat B, the tensioning sprocket is fixed on one side of the sprocket fixing seat B and the tensioning sprocket is located below the same side of the driven sprocket, the chain is connected to the driving sprocket and the two driven sprockets in sequence and the outer side of the middle part of the chain contacts the tensioning sprocket so that the chain is L-shaped, the sprocket fixing seat A is fixed on one side above the equipment, and the sprocket fixing seat B is fixed on the side wall of the top of the furnace body.
[0008] Furthermore, the furnace door connecting assembly includes a T-shaped connecting piece, a U-shaped connecting piece and a sensor trigger baffle, the T-shaped connecting piece is fixed in the middle of the lower part of the U-shaped connecting piece, the sensor trigger baffle is fixed on one side of the T-shaped connecting piece, the T-shaped connecting piece is connected to the top of the chain, the U-shaped connecting piece is fixed under the side edge of the furnace door, and the furnace door moves together with the chain through the furnace door connecting assembly.
[0009] Furthermore, the in-position sensing component includes a crossbeam, a micro-motion sensor and a sensor fixing bracket. The sensor fixing brackets are provided in two and are respectively fixed on the front and rear sides of the crossbeam. The micro-motion sensor is fixed on the two sensor fixing brackets. One end of the crossbeam is fixed on one side above the equipment, and the other end is fixed on the side wall of the top of the furnace body. The two micro-motion sensors are respectively located above the sides of the two driven sprockets.
[0010] Furthermore, the opening and closing mechanism also includes a buffer assembly, which includes a buffer rod, a guide sleeve, a buffer fixing seat, a buffer mounting plate and a spring. The buffer assembly is fixed on the four corners of the device, the buffer mounting plate is fixed on the corners of the device, the buffer fixing seat is fixed on the buffer mounting plate, one end of the buffer rod is fixed to the side of the buffer fixing seat through the guide sleeve, and a spring is sleeved on the buffer rod.
[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the telescopic rod of the cylinder of the present invention is firmly connected with the rack, ensuring that the rack can be accurately driven to reciprocate in a straight line when the cylinder is extended and retracted, the rack is tightly meshed with the gear, and according to the gear transmission principle, the linear motion of the rack is efficiently converted into the rotational motion of the gear, and a stable transmission ratio is maintained. The gear is installed on the output shaft, and through a reliable key connection or a tight fit, the rotational power is stably transmitted to the driving sprocket to cause it to rotate. The driving sprocket forms a transmission chain with two driven sprockets through the chain, and the furnace door is firmly installed on the chain. Based on the sprocket chain transmission characteristics, the driving sprocket rotates to drive the chain and the driven sprocket to operate in coordination, thereby realizing the furnace The door opens and closes smoothly; micro-motion sensors are respectively arranged at the extreme positions of the opening and closing stroke of the furnace door. Based on the sensitive mechanical trigger or induction principle, when the furnace door reaches the predetermined position, the micro-motion sensor is triggered to act and quickly send a signal to the control system. The control system adjusts the equipment operation status in time accordingly, and effectively prevents equipment collision damage caused by inadequate opening and closing of the furnace door; a buffer component is arranged at the contact part between the furnace door and the surrounding structure, and its elastic deformation or damping effect is utilized to absorb the impact force when the furnace door is opened and closed, thereby protecting equipment components from impact damage, further improving the stability and safety of equipment operation, and significantly enhancing the level of automation and intelligent management and control of the production process. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;
[0013] Figure 2 It is a schematic diagram of the side structure of the present invention;
[0014] Figure 3 It is a schematic diagram of the structure of the power output assembly of the present invention;
[0015] Figure 4 This is a schematic diagram of the structure of the guide transmission assembly of the present invention;
[0016] Figure 5 It is a schematic diagram of the structure of the chain transmission assembly of the present invention;
[0017] Figure 6 This is a schematic diagram of the structure of the furnace door connection assembly of the present invention;
[0018] Figure 7 This is a schematic diagram of the structure of the in-place sensing component of the present invention;
[0019] Figure 8 It is a schematic diagram of the structure of the buffer assembly of the present invention. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0021] See also Figure 1-2 The present invention provides the following technical solutions: a furnace door opening and closing mechanism of a plastic molding device, the device has two furnace doors 9, the two furnace doors 9 are arranged on a furnace frame 8 above the device, the area of the furnace frame 8 is larger than the area of the opening above the device, so the furnace door 9 moves on the furnace frame 8 to realize the closing and opening of the furnace door 9 on the device, the opening and closing mechanism is arranged on both sides of the device and connected to the bottom of the edge of the furnace door 9, the opening and closing mechanism includes a power output component 1, a guide transmission component 2, a chain transmission component 3, a furnace door connection component 4 and an in-position sensing component 5, the power output component 1 is fixed on the outer wall of the furnace body 7, the guide transmission component 2 is fixed on the upper end of the power output component 1, and the chain The lower part of the transmission component 3 is connected to the guide transmission component 2, and the upper part of the chain transmission component 3 is connected to the furnace door 9 through the furnace door connecting component 4 and drives the furnace door 9 to open and close. The in-position sensing component 5 is arranged on one side of the upper part of the chain transmission component 3, and the power output component 1 outputs power to the guide transmission component 2, and the guide transmission component 2 transmits the power to the chain transmission component 3, and the chain transmission component 3 drives the furnace door 9 to open and close. The edge of the furnace door connecting component 4 touches the in-position sensing component 5 to realize the closing and opening of the furnace door 9. When the furnace door 9 is closed or opened, the furnace door 9 stops moving, which effectively prevents equipment collision damage caused by the furnace door not opening and closing properly.
[0022] For details, please refer to Figure 3The power output assembly 1 includes a cylinder 1a, a rack 1b, an L fixing plate 1c, a cylinder mounting plate 1d, a fixing plate 1e, a square steel 1f and a square steel fixing seat 1g. The cylinder 1a is fixed to the fixing platform of the outer wall of the equipment through the cylinder mounting plate 1d below the cylinder 1a, and the cylinder 1a is fixed to the square steel 1f on the rear side through the L fixing plate 1c above the cylinder 1a. The bottom surface of the L fixing plate 1c is fixed to the cylinder 1a, and the side surface of the L fixing plate 1c is fixed to the square steel 1f. The top and sides of the square steel 1f are fixed to the furnace body 7 through the square steel fixing seat 1g, and the bottom end is fixed to the equipment through the fixing plate 1e. On the fixing platform of the outer wall, the fixing plate 1e is located below the cylinder mounting plate 1d, so that the square steel 1f is fixed to the outer wall of the furnace body 7, and the cylinder 1a is fixed on the fixing platform of the square steel 1f and the outer wall of the equipment, and is firmly fixed. The lower end of the rack 1b is directly connected to the piston rod on the cylinder 1a through a threaded hole, and the upper part is connected to the guide transmission assembly 2. The piston rod on the cylinder 1a passes through the L fixing plate 1c, and then the lower end of the rack 1b is connected to the piston rod on the cylinder 1a. The piston rod of the cylinder 1a is firmly connected to the rack 1b, ensuring that the cylinder 1a can accurately drive the rack 1b to reciprocate along a straight line when it is extended and retracted.
[0023] For details, please refer to Figure 4 The guide transmission assembly 2 includes a guide fixing plate 2a, a rear guide bearing assembly, a side guide bearing assembly, a bearing seat 2b, a transmission gear 2c and an output shaft 2d. The guide fixing plate 2a is set to two left and right pieces and its rear side is fixed on the upper side of the square steel 1f. The transmission gear 2c is movably set between the front parts of the two guide fixing plates 2a and the output shaft 2d passes through the guide fixing plate 2a and the transmission gear 2c in sequence. The bearing seat 2b is passed through by the output shaft 2d and is fixed on the two outer side walls of the two guide fixing plates 2a. The bearing seat 2b fixes the position of the transmission gear 2c and the output shaft 2d so that when the transmission gear 2c and the output shaft 2d rotate, they will not deflect left and right. One end of the output shaft 2d protrudes from the side of the outer side wall of the guide fixing plate 2a. The upper part of the rack 1b passes through the middle of the two guide fixing plates 2a and meshes with the transmission gear 2c. The rack 1b is located at the transmission gear 2 c, the up and down reciprocating motion of the rack 1b will drive the transmission gear 2c to rotate forward and backward. In this embodiment, two rear guide bearing assemblies are provided, and four side guide bearing assemblies are provided. The rear guide bearing assembly contacts the rear of the rack 1b and is fixed on the upper and lower sides of the rear of the two guide fixing plates 2a. The two guide fixing plates 2a are fixed with side guide bearing assemblies and the side guide bearing assemblies contact the two side surfaces of the rack 1b. The top and bottom of each guide fixing plate 2a are fixed with side guide bearing assemblies and the side guide bearing assemblies on the two guide fixing plates 2a are symmetrical. The rear guide bearing assembly and the side guide bearing assembly are used to guide the rack 1b to make a smooth linear motion, and then the rack 1b is tightly meshed with the transmission gear 2c, so as to efficiently convert the linear motion of the rack 1b into the rotational motion of the transmission gear 2c and maintain a stable transmission ratio.
[0024] For details, please refer to Figure 5 The chain transmission assembly 3 includes a driving sprocket 3a, a chain 3b, two driven sprockets 3c, a tensioning sprocket 3d, a sprocket fixing seat A3e and a sprocket fixing seat B3f. The driving sprocket 3a is connected to one end of the output shaft 2d, and the driving sprocket 3a is connected to one end of the output shaft 2d protruding from the side of the outer wall of the guide fixing plate 2a. The rotation of the output shaft 2d drives the driving sprocket 3a to rotate. The two driven sprockets 3c are respectively fixed to one side of the sprocket fixing seat A3e and one side of the sprocket fixing seat B3f. The tensioning sprocket 3d is fixed to one side of the sprocket fixing seat B3f and the tensioning sprocket 3d is located below the same side of the driven sprocket 3c. The two driven sprockets 3c and the tensioning sprocket 3d are on the same side. The setting of the tensioning sprocket 3d is to adjust the tightness of the chain 3b. The chain 3b is connected in sequence On the driving sprocket 3a and the two driven sprockets 3c, the outer side of the middle part of the chain 3b contacts the tensioning sprocket 3d, so that the chain 3b is L-shaped, the sprocket fixing seat A3e is fixed on one side of the equipment, the sprocket fixing seat B3f is fixed on the side wall of the top of the furnace body 7, and the sprocket fixing seat A3e is fixed in the middle of the outer side of the furnace frame 8. After the sprocket fixing seat A3e and the sprocket fixing seat B3f are fixed, the upper side of the chain 3b is horizontal and the upper side of the chain 3b is vertical to the fixed side of the furnace frame 8, ensuring that the furnace door 9 can be smoothly driven to translate. The driving sprocket 3a constructs a transmission chain through the chain 3b and the two driven sprockets 3c, and the furnace door 9 is firmly installed on the chain 3b. Based on the sprocket chain transmission characteristics, the driving sprocket 3a rotates to drive the chain 3b and the driven sprocket 3c to operate in coordination, so as to realize the smooth opening and closing of the furnace door 9.
[0025] For details, please refer to Figure 6 The furnace door connecting assembly 4 includes a T-shaped connecting piece 4a, a U-shaped connecting piece 4b and a sensor trigger baffle 4c. The T-shaped connecting piece 4a is fixed in the middle of the lower part of the U-shaped connecting piece 4b, and the sensor trigger baffle 4c is fixed on one side of the T-shaped connecting piece 4a. The T-shaped connecting piece 4a is connected to the top of the chain 3b, and the U-shaped connecting piece 4b is fixed under the side edge of the furnace door 9. The furnace door 9 moves together with the chain 3b through the furnace door connecting assembly 4.
[0026] For details, please refer to Figure 7The in-position sensing component 5 includes a crossbeam 5a, a micro-motion sensor 5b and a sensor fixing bracket 5c. The sensor fixing bracket 5c is provided with two and respectively fixed on the front and rear sides of the crossbeam 5a. The micro-motion sensor 5b is fixed on the two sensor fixing brackets 5c. The position of the micro-motion sensor 5b is set at the extreme position in the opening and closing stroke of the furnace door 9, which are the positions of the furnace door 9 being closed and opened. One end of the crossbeam 5a is fixed to one side of the equipment, and the other end is fixed to the side wall of the top of the furnace body 7. One end of the crossbeam 5a is fixed to the middle of the outer side of the furnace frame 8 above the equipment. After the crossbeam 5a is fixed, the two micro-motion sensors 5b are respectively located on the sides of the two driven sprockets 3c. At the top, the crossbeam 5a is perpendicular to the fixed side of the furnace frame 8, and the chain 3b drives the furnace door 9 to move through the furnace door connecting assembly 4. When the furnace door 9 is closed, the sensor triggers the baffle 4c under the furnace door 9 to touch the micro-motion sensor 5b on one side of the crossbeam 5a, and the micro-motion sensor 5b quickly sends a signal to the control system, and the control system adjusts the equipment operation status in time accordingly; when the furnace door 9 is opened, the sensor triggers the baffle 4c under the furnace door 9 to touch the micro-motion sensor 5b on the other side of the crossbeam 5a, and the micro-motion sensor 5b quickly sends a signal to the control system, and the control system adjusts the equipment operation status in time accordingly, effectively preventing equipment collision damage caused by inadequate opening and closing of the furnace door 9.
[0027] For details, please refer to Figure 8 The opening and closing mechanism also includes a buffer assembly 6, which includes a buffer rod 6a, a guide sleeve 6b, a buffer fixing seat 6c, a buffer mounting plate 6d and a spring 6e. The buffer assembly 6 is fixed on the four corners of the equipment, and the buffer assembly 6 is fixed on the four corners of the furnace frame 8. The buffer mounting plate 6d is fixed at the corners of the equipment, that is, the corners of the furnace frame 8. The buffer fixing seat 6c is fixed on the buffer mounting plate 6d. One end of the buffer rod 6a is fixed to the side of the buffer fixing seat 6c through the guide sleeve 6b. The buffer rod 6a is sleeved with a spring 6e. The buffer rod 6a itself can be compressed and retracted. When the furnace door 9 is opened to the limit position, the side of the furnace door 9 first hits the buffer rod 6a at the corner of the furnace frame 7. The buffer rod 6a is first compressed and retracted, and then the buffer rod 6a compresses the spring 6e after retreating, and the spring 6e absorbs the impact force of the furnace door 9.
[0028] The movement process of the present invention is as follows: when the furnace door 9 needs to be closed, the cylinders 1a on both sides drive the racks 1b to move linearly downward, and the transmission gear 2c is driven by the racks to rotate toward the side of the furnace body 7, thereby driving the output shaft 2d, the driving sprocket 3a, the chain 3b and the two driven sprockets 3c to rotate toward the side of the furnace body 7 in turn, so that the chains 3b on both sides drive the two furnace doors 9 to move toward the side of the furnace body 7, and when the sensor triggers the baffle 4c to touch the micro-motion sensor 5b, the micro-motion sensor 5b quickly sends a signal to the control system, and the control system stops the equipment operation in time accordingly, and the two furnace doors 9 close the equipment opening, and the two furnace doors 9 do not collide; when the furnace door 9 needs to be opened, the cylinders 1a on both sides drive the racks 1b to move linearly upward, and the transmission gear 2c is driven by the racks to move away from the furnace body 7 One side rotates, thereby driving the output shaft 2d, the driving sprocket 3a, the chain 3b and the two driven sprockets 3c to rotate toward the side away from the furnace body 7 in turn. Therefore, the chains 3b on both sides drive the two furnace doors 9 to move toward the side away from the furnace body 7. When the sensor triggers the baffle 4c to touch the micro-motion sensor 5b, the micro-motion sensor 5b quickly sends a signal to the control system, and the control system stops the equipment operation in time accordingly. The two furnace doors 9 open the equipment opening, and buffer components 6 are arranged on the four corners of the furnace frame 8. The edge of the furnace door 9 first hits the buffer rod 6a at the corner of the furnace frame 7. The buffer rod 6a is first compressed and retracted. Then, the buffer rod 6a retracts and compresses the spring 6e. The spring 6e absorbs the impact force of the furnace door 9, and the furnace door 9 and the furnace frame 8 will not collide, thereby improving production safety. In addition, guide wheels 10 are arranged on both sides of the furnace door 9, tooth marks 11 are arranged on both sides of the furnace frame 8, gears 12 are placed on the tooth marks 11, and the guide wheels 10 and gears 12 on both sides are connected by connecting rods, which can reduce the burden of the chain 3b to drive the two furnace doors 9 to move and promote the movement of the furnace doors 9.
[0029] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A furnace door opening and closing mechanism for slush molding equipment, characterized in that: The invention comprises a power output component (1), a guide transmission component (2), a chain transmission component (3), a furnace door connecting component (4) and an in-position sensing component (5), wherein the power output component (1) is fixed on the outer wall of a furnace body (7), the guide transmission component (2) is fixed on the upper end of the power output component (1), the lower part of the chain transmission component (3) is connected to the guide transmission component (2), the upper part of the chain transmission component (3) is connected to a furnace door (9) through a furnace door connecting component (4) and drives the furnace door (9) to open and close, the in-position sensing component (5) is arranged on one side of the upper part of the chain transmission component (3), the power output component (1) outputs power to the guide transmission component (2), the guide transmission component (2) transmits power to the chain transmission component (3), the chain transmission component (3) drives the furnace door (9) to open and close, the edge of the furnace door connecting component (4) touches the in-position sensing component (5), thereby realizing the in-position closing and opening of the furnace door (9), so that the furnace door (9) stops moving.
2. The furnace door opening and closing mechanism of the slush molding equipment according to claim 1, characterized in that: The power output assembly (1) comprises a cylinder (1a), a rack (1b), an L-fixed plate (1c), a cylinder mounting plate (1d), a fixing plate (1e), a square steel (1f) and a square steel fixing seat (1g); the cylinder (1a) is fixed to a fixing platform on the outer wall of the equipment at the bottom through the cylinder mounting plate (1d); the cylinder (1a) is fixed to the square steel (1f) at the rear side through the L-fixed plate (1c); the top sides of the square steel (1f) are fixed to the furnace body (7) through the square steel fixing seats (1g); the bottom end is fixed to the fixing platform on the outer wall of the equipment through the fixing plate (1e); the lower end of the rack (1b) is directly connected to the piston rod on the cylinder (1a), and the upper part is connected to the guide transmission assembly (2).
3. The furnace door opening and closing mechanism of the slush molding equipment according to claim 2, characterized in that: The guide transmission assembly (2) comprises a guide fixing plate (2a), a rear guide bearing assembly, a side guide bearing assembly, a bearing seat (2b), a transmission gear (2c) and an output shaft (2d); the guide fixing plate (2a) is provided in two pieces on the left and right and the rear side thereof is fixed on the upper side of the square steel (1f); the transmission gear (2c) is provided between the front parts of the two guide fixing plates (2a) and the output shaft (2d) passes through the guide fixing plate (2a) and the transmission gear (2c) in sequence; the bearing seat (2b) is connected to the output shaft (2 d) passing through and being fixed on the two outer side walls of the two guide fixing plates (2a), the upper part of the rack (1b) passing through the middle of the two guide fixing plates (2a) and meshing with the transmission gear (2c), the rack (1b) being located behind the transmission gear (2c), the rear guide bearing assembly being in contact with the rear of the rack (1b) and being fixed on the rear of the two guide fixing plates (2a), and the side guide bearing assemblies being fixed on both guide fixing plates (2a) and being in contact with the two side surfaces of the rack (1b).
4. The furnace door opening and closing mechanism of the slush molding equipment according to claim 3, characterized in that: The chain transmission assembly (3) comprises a driving sprocket (3a), a chain (3b), two driven sprockets (3c), a tensioning sprocket (3d), a sprocket fixing seat A (3e) and a sprocket fixing seat B (3f); the driving sprocket (3a) is connected to one end of the output shaft (2d); the two driven sprockets (3c) are respectively fixed to one side of the sprocket fixing seat A (3e) and one side of the sprocket fixing seat B (3f); the tensioning sprocket (3d) is fixed to the sprocket fixing seat The tensioning sprocket (3d) is located on one side of the fixing seat B (3f) and below the same side of the driven sprocket (3c); the chain (3b) is sequentially connected to the driving sprocket (3a) and the two driven sprockets (3c); and the outer side of the middle of the chain (3b) contacts the tensioning sprocket (3d) so that the chain (3b) is L-shaped; the sprocket fixing seat A (3e) is fixed on one side of the upper side of the equipment; and the sprocket fixing seat B (3f) is fixed on the side wall of the top of the furnace body (7).
5. The furnace door opening and closing mechanism of the slush molding equipment according to claim 4, characterized in that: The furnace door connection assembly (4) comprises a T-shaped connection piece (4a), a U-shaped connection piece (4b) and a sensor trigger baffle (4c), wherein the T-shaped connection piece (4a) is fixed in the middle of the lower part of the U-shaped connection piece (4b), and the sensor trigger baffle (4c) is fixed on one side of the T-shaped connection piece (4a). The T-shaped connection piece (4a) is connected to the top of the chain (3b), and the U-shaped connection piece (4b) is fixed under the side edge of the furnace door (9). The furnace door (9) moves together with the chain (3b) through the furnace door connection assembly (4).
6. The furnace door opening and closing mechanism of the slush molding equipment according to claim 5, characterized in that: The in-position sensing component (5) comprises a crossbeam (5a), a micro-motion sensor (5b) and a sensor fixing bracket (5c); the sensor fixing bracket (5c) is provided in two pieces and is respectively fixed on the front and rear sides of the crossbeam (5a); the micro-motion sensor (5b) is fixed on the two sensor fixing brackets (5c); one end of the crossbeam (5a) is fixed on a side edge above the equipment, and the other end is fixed on the side wall of the top of the furnace body (7); the two micro-motion sensors (5b) are respectively located above the side edges of the two driven sprockets (3c).
7. The furnace door opening and closing mechanism of the slush molding equipment according to claim 6, characterized in that: The opening and closing mechanism also includes a buffer component (6), which includes a buffer rod (6a), a guide sleeve (6b), a buffer fixing seat (6c), a buffer mounting plate (6d) and a spring (6e). The buffer component (6) is fixed on four corners of the device, the buffer mounting plate (6d) is fixed on a corner of the device, the buffer fixing seat (6c) is fixed on the buffer mounting plate (6d), one end of the buffer rod (6a) is fixed to the side of the buffer fixing seat (6c) through the guide sleeve (6b), and the buffer rod (6a) is sleeved with a spring (6e).