Heating furnace for automotive upholstery

Abstract

The utility model discloses a heating furnace for automotive upholstery. The heating furnace comprises a control box, a heating device and a feeding device, the feeding device comprises a mounting support, a translation mechanism, a lifting mechanism and a grabbing mechanism. According to the automotive upholstery heating furnace, the lifting mechanism is used for driving the grabbing mechanism to vertically move, the grabbing mechanism grabs an interior felt under the control of the controller, the translation mechanism is used for driving the lifting mechanism to transversely move, so that the lifting mechanism and the grabbing mechanism transversely move, and the interior felt is released when the lifting mechanism and the grabbing mechanism move to the heating device; the interior felt enters the heating device to be heated, linkage cooperation of automatic feeding and heating is achieved, manual feeding is not needed, manpower input is reduced, and meanwhile operation safety is improved.

Description

Technical Field

[0001] The utility model relates to a heating furnace, in particular to a heating furnace for automobile interior parts. Background Art

[0002] At present, the carpet material of automobiles is mainly fiber woven fabric compounded with plastic coating. Commonly used automobile carpet interior parts are all made by the process of hot material and cold mold. After the carpet is heated, it is pressed into shape by a mold. At present, when heating fiber manufacturing fabric, a heating furnace is mainly used. Among them, the feeding of raw materials usually adopts manual laying, and the manual laying method has low efficiency and high labor cost. Content of the Utility Model

[0003] Purpose of the utility model: To provide a heating furnace for automobile interior parts, which can meet the automatic feeding needs of automobile interior felt and reduce the participation of manpower.

[0004] Technical solution: The heating furnace for automobile interior parts provided by the utility model includes a control box, a heating device and a feeding device; the feeding device includes an installation bracket, a translation mechanism, a lifting mechanism and a grasping mechanism; the translation mechanism is installed on the top of the installation bracket; the lifting mechanism is installed on the translation mechanism and is driven by the translation mechanism to move horizontally; the grasping mechanism is installed on the lifting mechanism and is used to grasp and release the interior felt placed in the installation bracket at the feeding end of the heating device, and the lifting mechanism drives the grasping mechanism to move vertically; the heating device heats the interior felt; a controller is arranged in the control box; the heating device, the translation mechanism, the lifting mechanism and the grasping mechanism are all driven and controlled by the controller.

[0005] Further, the material cart includes a cart bottom plate and a push rod; universal wheels are installed at the four top corners of the cart bottom plate; the push rod is fixed on the cart bottom plate through a cart support rod; locking tubes are sleeved on both ends of the push rod; locking convex columns are arranged at the ends of the two locking tubes; locking holes for inserting the locking convex columns are arranged on the installation bracket; locking springs are elastically supported between the two locking tubes and the corresponding ends of the push rod.

[0006] Further, the translation mechanism includes a translation driving unit and two translation seats; the translation seats are U-shaped; the two translation seats are respectively horizontally slidably buckled on the front and rear frame bars of the top support frame; the translation driving unit is installed on the top support frame and is used to drive the two translation seats to move horizontally synchronously; a translation plate is fixedly connected between the two translation seats; the lifting mechanism is installed on the translation plate.

[0007] Furthermore, the lifting mechanism includes a lifting adjustment tube, a lifting internal threaded tube, and a lifting drive motor; the lifting adjustment tube is vertically installed on the translation mechanism; the lifting internal threaded tube is slidably inserted at the lower end of the lifting adjustment tube; the lifting drive motor drives the vertical movement of the lifting internal threaded tube through a lifting drive lead screw and is electrically connected to the controller through a lifting drive circuit; the grasping mechanism is installed at the lower end of the lifting internal threaded tube.

[0008] Furthermore, the grasping mechanism includes a grasping drive unit, a bottom connecting rod, two bottom support rods, and two grasping drums; the bottom connecting rod is installed on the lifting mechanism; the two bottom support rods are horizontally fixed at the front and rear ends of the bottom connecting rod; the front and rear ends of the two grasping drums are rotatably installed on the front and rear two bottom support rods through drum rotating shafts respectively; a number of bent needles are arranged on the circumferential side surfaces of the two grasping drums, and the tips of the bent needles on the same grasping drum have the same spiral direction, while the tips of the bent needles on different grasping drums have opposite spiral directions; the grasping drive unit is installed on one bottom support rod and is used to drive the relative rotation of the two grasping drums.

[0009] Furthermore, the heating device includes a heating conveying mechanism and a heating housing; conveying windows are provided on the left and right side surfaces of the heating housing; the heating conveying mechanism is horizontally installed through the two conveying windows in a penetrating manner on the heating housing; the feeding end of the heating conveying mechanism extends into the installation bracket, and the feeding device releases the interior felt onto the heating conveying mechanism, and the heating conveying mechanism drives the interior felt to pass through the heating housing; swing baffles for blocking the conveying windows are swingably installed on the two conveying windows; a plurality of electric heating tubes are arranged in the heating housing; an electric control switch electrically connected to the controller is connected in series on the total power supply line of each electric heating tube.

[0010] Furthermore, the heating conveying mechanism includes a conveying drive motor, a drive chain transmission pair, a conveying mesh belt, two conveying mounting plates, two groups of conveying chain transmission pairs, and two conveying rollers; the two conveying mounting plates are horizontally installed through the two conveying windows in a penetrating manner on the heating housing; the two conveying rollers are rotatably installed longitudinally on the two conveying mounting plates; the two conveying rollers drive the conveying mesh belt to operate through the two groups of conveying chain transmission pairs; the conveying drive motor drives the rotation of one of the conveying rollers through the drive chain transmission pair and is electrically connected to the controller through a conveying drive circuit.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: the lifting mechanism drives the vertical movement of the grasping mechanism, the grasping mechanism grasps the interior felt under the control of the controller, the translation mechanism drives the horizontal movement of the lifting mechanism, so that the lifting mechanism and the grasping mechanism move horizontally. When moving to the heating device, the interior felt is released, and the interior felt enters the heating device for heating, realizing the linkage cooperation of automatic feeding and heating, eliminating the need for manual feeding, reducing labor input, and improving the safety of operations at the same time. Brief Description of the Drawings

[0012] Figure 1 is the front view of the present utility model;

[0013] Figure 2 is the installation schematic diagram of the translation mechanism of the present utility model;

[0014] Figure 3 is the installation schematic diagram of the grasping mechanism of the present utility model;

[0015] Figure 4 is the installation schematic diagram of the grasping drive unit of the present utility model;

[0016] Figure 5 is the cross-sectional view of the heating housing of the present utility model;

[0017] Figure 6 is the schematic diagram of the circuit structure of the present utility model;

[0018] In the figure: 1, control box; 2, display screen; 3, speaker; 4, key panel; 5, vertical rod; 7, top support frame; 8, bottom support plate; 9, translation drive motor; 10, synchronous rotating shaft; 11, drive chain; 12, connecting convex block; 13, tensioning bracket; 14, tensioning adjustment bolt; 15, tensioning sprocket; 16, translation seat; 17, moving roller; 18, translation guide groove; 19, lifting drive motor; 20, lifting adjustment tube; 21, translation plate; 22, position sensor; 23, lifting internal threaded tube; 24, lifting guide groove; 25, bottom support rod; 26, grasping drive motor; 27, grasping drive shaft; 28, drive bracket; 29, active bevel gear; 30, grasping drum; 31, bending needle; 32, telescopic adjustment tube; 33, compression spring; 34, bottom connecting rod; 35, heating housing; 36, electric heating tube; 37, transfer window; 38, swing baffle; 39, conveyor mesh belt; 40, heat preservation layer; 41, conveyor drive motor; 42, drive sprocket; 43, active friction disc; 44, drive chain; 45, conveyor roller; 46, conveyor mounting plate; 47, door panel; 48, lock seat; 49, lock rod; 50, maintenance window. Detailed Description of the Preferred Embodiment

[0019] The technical solution of the present utility model will be described in detail below with reference to the accompanying drawings, but the protection scope of the present utility model is not limited to the described embodiments.

[0020] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "linkage", "fixation", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral body; it may be a direct connection, or an indirect connection through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0021] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "left", "right", "front", "rear", "upper", "lower", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of simplifying the description of the present utility model, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0022] Embodiment 1:

[0023] As Figures 1-6 shown, an automotive interior heating furnace provided by the present utility model includes: a control box 1, a heating device, and a feeding device; the feeding device includes a mounting bracket, a translation mechanism, a lifting mechanism, and a grasping mechanism; the mounting bracket includes a top support frame 7, a bottom support plate 8, and four vertical rods 5; the upper ends of the four vertical rods 5 are respectively fixed at the four top corners of the top support frame 7; the lower ends are respectively fixed at the four top corners of the bottom support plate 8; the bottom support plate 8 is used for placing interior felts; the translation mechanism is installed on the top support frame 7; the lifting mechanism is installed on the translation mechanism and is driven by the translation mechanism to move horizontally; the grasping mechanism is installed on the lifting mechanism and is used for grasping the interior felt placed on the bottom support plate 8 and releasing it at the feeding end of the heating device, and is driven by the lifting mechanism to move vertically; the interior felt is heated by the heating device; the control box 1 is installed on one of the vertical rods 5; a controller is provided in the control box 1; the heating device, the translation mechanism, the lifting mechanism, and the grasping mechanism are all driven and controlled by the controller; a display screen 2, a speaker 3, and a key panel 4 electrically connected to the controller are provided on the control box 1.

[0024] The lifting mechanism drives the grasping mechanism to move vertically. The grasping mechanism grasps the interior felt under the control of the controller. The translation mechanism drives the lifting mechanism to move horizontally, enabling the lifting mechanism and the grasping mechanism to move horizontally. When moving to the heating device, the interior felt is released, allowing the interior felt to enter the heating device for heating, achieving the linkage cooperation of automatic feeding and heating, eliminating the need for manual feeding, reducing labor input, and improving the safety of operations at the same time. The display screen 2 is used to display information such as the working process under the control of the controller. The speaker 3 emits a prompt sound under the control of the controller. The key panel 4 facilitates the start and stop control of the translation mechanism, the lifting mechanism, and the grasping mechanism through the controller.

[0025] Further, the translation mechanism includes a translation drive unit and two translation seats 16; the translation drive unit includes a translation drive motor 9 and a chain drive pair; the chain drive pair includes two drive chains 11 and four drive sprockets;

[0026] Synchronous rotating shafts 10 are rotatably and longitudinally installed on the left and right sides of the upper surface of the top support frame 7; the four drive sprockets are respectively installed at the front and rear ends of the two synchronous rotating shafts 10; the two front drive sprockets and the two rear drive sprockets are respectively connected by a drive chain 11; the translation drive motor 9 is used to drive one of the synchronous rotating shafts 10 to rotate and is electrically connected to the controller through a translation drive circuit;

[0027] Translation guide grooves 18 are provided on the front and rear sides of the front and rear side frame bars of the top support frame 7; the translation seats 16 are U-shaped; the two translation seats 16 are respectively horizontally slidably buckled on the front and rear side frame bars of the top support frame 7; moving rollers 17 that travel along the corresponding translation guide grooves 18 are rotatably installed on the two opposite inner walls of the two translation seats 16; connection lugs 12 fixed to the corresponding side drive chains 11 are provided on the upper surfaces of the two translation seats 16; a translation plate 21 is longitudinally fixed between the two translation seats 16; the lifting mechanism is installed on the translation plate 21; a position sensor 22 for detecting the translation plate 21 is installed on the top support frame 7; tensioning brackets 13 are vertically provided on the front and rear edges of the top support frame 7; tensioning adjustment bolts 14 are vertically threaded and screwed through the two tensioning brackets 13; tensioning sprockets 15 are rotatably installed on the lower ends of the two tensioning adjustment bolts 14; the two tensioning sprockets 15 are respectively engaged with the corresponding side drive chains 11.

[0028] The translation drive motor 9 is used to drive the two translation seats 16 to move synchronously laterally through the chain drive pair, thereby realizing the adjustment of the lateral position of the grabbing mechanism and the lifting mechanism. The translation drive motor 9 drives the synchronous rotating shaft 10 to rotate under the control of the controller, so that the two transmission sprockets rotate synchronously, and the other two transmission sprockets are driven to rotate through the two transmission chains 11, thereby driving the two translation seats 16 to move synchronously laterally through the connecting protrusion 12, and the translation plate 21 drives the lifting mechanism to move laterally; the position sensor 22 is used to detect the lateral position of the translation plate 21, so that the controller can judge the lateral position of the lifting mechanism and the grabbing mechanism; the cooperation between the translation guide groove 18 and the moving roller 17 is used to reduce the friction force, so that the movement of the two translation seats 16 is more stable; the tensioning adjustment bolt 14 and the tensioning bracket 13 enable the tensioning sprocket 15 to be height-adjustable, ensuring that the tensioning sprocket 15 effectively tensions the transmission chain 11 during long-term use.

[0029] Furthermore, the lifting mechanism includes a lifting adjustment tube 20, a lifting internal threaded tube 23 and a lifting drive motor 19; the lifting adjustment tube 20 is vertically fixed in the middle of the translation plate 21; a lifting adjustment screw is rotatably installed vertically in the lifting adjustment tube 20; the lifting internal threaded tube 23 is slidably inserted on the lower end of the lifting adjustment tube 20, and the lifting adjustment screw is threadedly screwed on the lifting adjustment tube 20; the lifting drive motor 19 is used to drive the lifting drive screw to rotate, and is electrically connected to the controller through the lifting drive circuit; a lifting guide groove 24 is vertically arranged on the lifting internal threaded tube 23; a lifting limit block that slides with the lifting guide groove 24 is arranged at the lower tube mouth of the lifting adjustment tube 20; and the grabbing mechanism is installed on the lower end of the lifting internal threaded tube 23.

[0030] The lifting drive motor 19 is used to drive the lifting adjustment screw to rotate under the control of the controller, so that the lifting internal threaded tube 23 moves vertically along the lifting adjustment tube 20, thereby realizing the vertical adjustment of the grabbing mechanism; the cooperation between the lifting limit block and the lifting guide groove 24 is used to prevent the lifting internal threaded tube 23 from moving downward and separating from the lifting adjustment tube 20, and at the same time prevent the lifting internal threaded tube 23 from rotating.

[0031] Further, the grabbing mechanism includes a grabbing drive unit, a bottom connecting rod 34, two bottom supporting rods 25 and two grabbing rollers 30; the grabbing drive unit includes a grabbing drive motor 26, two active friction discs 43, two grabbing drive shafts 27 and two bevel gear transmission pairs; the bevel gear transmission pair includes an active bevel gear 29 and a driven bevel gear;

[0032] The lower end of the lifting internal threaded tube 23 is fixed to the middle of the bottom connecting rod 34; the two bottom support rods 25 are transversely fixed to the front and rear ends of the bottom connecting rod 34; roller shafts are provided at the front and rear ends of the two grabbing rollers 30; the roller shafts on the front and rear sides are respectively through-mounted and rotatably installed on the front and rear bottom support rods 25; a plurality of curved needles 31 are arranged on the circumferential side surfaces of the two grabbing rollers 30, and the needle tips of the curved needles 31 on the same grabbing roller 30 have the same rotation direction, while the needle tips of the curved needles 31 on different grabbing rollers 30 have opposite rotation directions; on the front side of the bottom support rod 25 on the front side A transmission bracket 28 is installed on both sides of the left and right sides of the surface; a telescopic rod coinciding with the axis of the corresponding roller shaft is rotatably installed on the two transmission brackets 28; a telescopic adjustment tube 32 is coaxially fixed on the front side of the two active friction discs 43; the rear end of the telescopic rod is synchronously rotatably inserted on the telescopic adjustment tube 32; a driven friction disc coaxially fitted with the corresponding active friction disc 43 is coaxially fixed on the through ends of the two roller shafts on the front side; a compression spring 33 sleeved on the telescopic adjustment tube 32 is elastically supported between the active friction disc 43 and the transmission bracket 28;

[0033] The two grabbing drive shafts 27 are respectively rotatably installed laterally on the two transmission brackets 28; the grabbing drive motor 26 is used to drive the two grabbing drive shafts 27 to rotate synchronously, and is electrically connected to the controller through the grabbing drive circuit; the two driven bevel gears are respectively installed on the front through ends of the two telescopic rods; the two active bevel gears 29 are respectively installed on the two grabbing drive shafts 27, and the two active bevel gears 29 are respectively meshed with the two driven bevel gears.

[0034] By utilizing the relative rotation of the grabbing rollers 30 and the opposite rotation of the needle tips of the two grabbing rollers 30, the two grabbing rollers 30 pierce the interior felt during the relative rotation and generate tension on the interior felt to achieve the grabbing of the interior felt. When the two grabbing rollers 30 are relatively reversed, the two grabbing rollers 30 The curved needles 31 on the two grabbing rollers 30 are separated from the interior felt during the relative rotation to achieve release;

[0035] The grabbing driving motor 26 is used to synchronously drive the rotation of two grabbing drive shafts 27 under the control of the controller. Through the transmission and meshing between two driving bevel gears 29 and two driven bevel gears, the two telescopic rods rotate relatively. The two telescopic adjustment tubes 32 drive the two driving friction discs 43 to rotate relatively. The two driven friction discs rotate followingly under the friction of the driving friction discs 43, so that the two drum rotating shafts drive the two grabbing drums 30 to rotate relatively, realizing the driving of the relative rotation of the two grabbing drums 30. By using the cooperation between the driving friction discs 43 and the driven friction discs, the influence caused by the winding of the interior felt is reduced. By using the cooperation between the telescopic adjustment tubes 32 and the telescopic rods, the driving friction discs 43 can move longitudinally in a small range, so that the driving friction discs 43 can be closely attached to the driven friction discs under the drive of the compression springs 33.

[0036] Further, the heating device includes a heating conveying mechanism and a heating housing 35. Conveying windows 37 are arranged on the left and right side surfaces of the heating housing 35. The heating conveying mechanism is horizontally and penetratingly installed on the heating housing 35 through the two conveying windows 37. The feeding end of the heating conveying mechanism extends into the mounting bracket, and the feeding device releases the interior felt onto the heating conveying mechanism, and the heating conveying mechanism drives the interior felt to pass through the heating housing 35. Swing baffles 38 for blocking the conveying windows 37 are swingably installed on the upper side surfaces of the two conveying windows 37. Heat insulation layers 40 are arranged in the side walls of the heating housing 35. A plurality of electric heating tubes 36 are arranged in rows on the upper and lower inner walls of the heating housing 35. An electric control switch electrically connected to the controller is connected in series on the total power supply line of each electric heating tube 36. A temperature sensor electrically connected to the controller is installed on the heating housing 35. A maintenance window 50 is arranged on the front side surface of the heating housing 35. A door panel 47 for closing the maintenance window is hingedly installed on the heating housing 35. A lock seat 48 is arranged on the heating housing 35. A lock rod 49 is vertically slidably arranged on the door panel 47. A locking spring for driving the end of the lock rod 49 to be inserted into the lock seat 48 is arranged on the door panel 47.

[0037] The swing baffles 38 are used to block the conveying windows 37 to minimize the dissipation of heat and reduce energy consumption, and the swing baffles 38 can be swingingly lifted when the interior felt enters and exits the heating housing 35, without hindering the entry and exit of the felt interior. The temperature sensor is used to help the controller detect the temperature inside the heating housing 35. The maintenance window 50 is used to facilitate the maintenance of the inside of the heating housing 35. By using the cooperation between the door panel 47, the lock rod 49, the locking spring and the lock seat 48, the maintenance window 50 can be closed to reduce the dissipation of heat.

[0038] Further, the heating and conveying mechanism includes a conveying drive motor 41, a driving chain transmission pair, a conveying mesh belt 39, two conveying mounting plates 46, two groups of conveying chain transmission pairs, and two conveying rollers 45; the conveying chain transmission pair includes a heating and conveying chain and two heating and conveying sprockets; the driving chain transmission pair includes a driving sprocket 42, a driven sprocket, and a driving chain 44; the two conveying mounting plates 46 are horizontally and penetratingly mounted on the heating housing 35 through two transmission windows 37; the two conveying rollers 45 are rotatably and longitudinally mounted on the two conveying mounting plates 46 and are respectively located at the left and right ends of the conveying mounting plates 46; the two heating and conveying chains are respectively mounted on the front and rear edges of the conveying mesh belt 39; the four heating and conveying sprockets are respectively mounted on the two ends of the two conveying rollers 45; the two heating and conveying chains are respectively in driving engagement with the two heating and conveying sprockets on the front side and the two heating and conveying sprockets on the rear side; the conveying drive motor 41 is mounted on one of the conveying mounting plates 46 and is electrically connected to the controller through a conveying drive circuit; the driving sprocket 42 is mounted on the output shaft of the conveying drive motor 41; the driven sprocket is mounted on one of the conveying rollers 45; the driving chain 44 is drivingly connected between the driving sprocket 42 and the driven sprocket.

[0039] The conveying drive motor 41 is rotated under the control of the controller, and one of the conveying rollers 45 is driven to rotate through the driving chain transmission pair. The conveying roller 45 drives the other conveying roller 45 and the conveying mesh belt 39 to operate through the two groups of conveying chain transmission pairs, so that the conveying mesh belt 39 drives the interior felt to move; the hot air can uniformly heat the felt interior through the conveying mesh belt 39.

[0040] In the heating furnace for automobile interior parts provided by the present utility model, the controller adopts an existing single-chip microcomputer control module for realizing coordinated control; the conveying drive motor 41, the translation drive motor 9, and the lifting drive motor 19 all adopt existing stepping motors, the grasping drive motor 26 adopts an existing double-output shaft stepping motor, and the conveying drive circuit, the translation drive circuit, the lifting drive circuit, and the grasping drive circuit all adopt corresponding stepping motor drive circuits; the display screen 2 adopts an existing display screen; the speaker 3 adopts an existing speaker; the electric heating tube 36 adopts an existing electric heating tube.

[0041] As described above, although the present utility model has been shown and described with reference to specific preferred embodiments, it should not be construed as a limitation of the present utility model itself. Various changes can be made in its form and details without departing from the spirit and scope of the present utility model defined by the appended claims.

Claims

1. An automotive interior heating furnace, characterized in that: It includes a control box (1), a heating device, and a feeding device; the feeding device includes a mounting bracket, a translation mechanism, a lifting mechanism, and a grasping mechanism; the translation mechanism is installed on the top of the mounting bracket; the lifting mechanism is installed on the translation mechanism and is driven by the translation mechanism to move horizontally; the grasping mechanism is installed on the lifting mechanism and is used to grasp the interior felt placed in the mounting bracket and release it onto the feeding end of the heating device, and the lifting mechanism drives the grasping mechanism to move vertically; the interior felt is heated by the heating device; a controller is provided in the control box (1); the heating device, the translation mechanism, the lifting mechanism, and the grasping mechanism are all driven and controlled by the controller.

2. The automotive interior part heating furnace according to claim 1, wherein: The translation mechanism includes a translation driving unit and two translation seats (16); the translation seats (16) are U-shaped; the two translation seats (16) are respectively horizontally slidably buckled on the front and rear side edges of the mounting bracket; the translation driving unit is installed on the mounting bracket and is used to drive the two translation seats (16) to move horizontally synchronously; a translation plate (21) is fixedly connected between the two translation seats (16); the lifting mechanism is installed on the translation plate (21).

3. The heating furnace for automotive interior parts according to claim 1, characterized in that: The lifting mechanism includes a lifting adjustment tube (20), a lifting internal thread tube (23), and a lifting driving motor (19); the lifting adjustment tube (20) is vertically installed on the translation mechanism; the lifting internal thread tube (23) is slidably inserted into the lower end of the lifting adjustment tube (20); the lifting driving motor (19) drives the lifting internal thread tube (23) to move vertically through a lifting driving screw rod and is electrically connected to the controller through a lifting driving circuit; The grasping mechanism is installed on the lower end of the lifting internal thread tube (23).

4. The heating furnace for automotive interior parts according to claim 1, characterized in that: The grasping mechanism includes a grasping driving unit, a bottom connecting rod (34), two bottom support rods (25), and two grasping rollers (30); the bottom connecting rod (34) is installed on the lifting mechanism; the two bottom support rods (25) are horizontally fixed at the front and rear ends of the bottom connecting rod (34); the front and rear ends of the two grasping rollers (30) are respectively rotatably installed on the front and rear two bottom support rods (25) through roller shafts; a number of curved needles (31) are arranged on the circumferential side surfaces of the two grasping rollers (30), and the tips of the curved needles (31) on the same grasping roller (30) have the same rotation direction, and the tips of the curved needles (31) on different grasping rollers (30) have opposite rotation directions; the grasping driving unit is installed on one bottom support rod (25) and is used to drive the two grasping rollers (30) to rotate relatively.

5. The heating furnace for automotive interior parts according to claim 1, characterized in that: The heating device includes a heating and conveying mechanism and a heating housing (35); conveying windows (37) are provided on both the left and right side surfaces of the heating housing (35); the heating and conveying mechanism is horizontally installed through the two conveying windows (37) on the heating housing (35); the feeding end of the heating and conveying mechanism extends into the mounting bracket, and the feeding device releases the interior felt onto the heating and conveying mechanism, and the interior felt is driven by the heating and conveying mechanism to pass through the heating housing (35); swing baffles (38) for blocking the conveying windows (37) are swingably installed on the two conveying windows (37); a plurality of electric heating tubes (36) are arranged in the heating housing (35); an electric control switch electrically connected to the controller is connected in series on the total power supply line of each electric heating tube (36).

6. The automotive interior heating furnace according to claim 5, characterized in that: The heating and conveying mechanism includes a conveying drive motor (41), a drive chain transmission pair, a conveying mesh belt (39), two conveying mounting plates (46), two groups of conveying chain transmission pairs, and two conveying rollers (45); the two conveying mounting plates (46) are horizontally installed through the two conveying windows (37) on the heating housing (35) in a penetrating manner; the two conveying rollers (45) are rotatably longitudinally installed on the two conveying mounting plates (46); the two conveying rollers (45) drive the conveying mesh belt (39) to operate through the two groups of conveying chain transmission pairs; the conveying drive motor (41) drives one of the conveying rollers (45) to rotate through the drive chain transmission pair and is electrically connected to the controller through the conveying drive circuit.

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