CN221049019U - Thermoplastic polyurethane elastomer stretching device - Google Patents

Abstract

The utility model belongs to the technical field of stretching devices, and particularly relates to a thermoplastic polyurethane elastomer stretching device which comprises a base, wherein a heating mechanism is arranged on the base, a motor is fixedly arranged at the right end of the base, an output end of the motor penetrates through the right side wall of the base and is rotationally connected with the base, one end of the output end, far away from the motor, is fixedly connected with a bidirectional screw rod, the other end of the bidirectional screw rod is connected with the base through a bearing, two supporting plates distributed symmetrically left and right are connected with the upper end of the base in a sliding manner, sliding plates are welded at the lower ends of the supporting plates, and the sliding plates are connected with the base in a sliding manner. According to the elastic clamping device, the turntable rotates through rotation of the swivel base, so that the guide groove is matched with the slide bar, the clamping block is moved to clamp the elastic body, the elastic bodies in different shapes can be clamped, the swivel base is limited through matching of the inserting bar and the inserting hole, and the elastic body is clamped stably.

Description

Thermoplastic polyurethane elastomer stretching device

Technical Field

The utility model relates to the technical field of stretching devices, in particular to a thermoplastic polyurethane elastomer stretching device.

Background

The utility model patent with the bulletin number of CN214927048U discloses a stretching device for processing a thermoplastic polyurethane elastomer, which comprises a workbench, wherein a slot is formed in the upper surface of the workbench, two symmetrical ejection mechanisms are arranged in the slot, and a first driving mechanism and a second driving mechanism are arranged on the right side surface of the workbench; the device reasonable in design structure, it can utilize electric putter's operation pulling fixed plate for the fixed plate pulling grip block is opened, can conveniently place thermoplastic polyurethane elastomer on the movable plate, and then reduced operating personnel's work load, and control electric putter's operation promotes the fixed plate, makes the fixed plate will promote the grip block decline, makes two sets of antislip strips be close to each other, and then has played the effect of fastening centre gripping to thermoplastic polyurethane elastomer, has also avoided thermoplastic polyurethane elastomer to take place to slide when tensile simultaneously. However, when the device is used, the elastic body is stretched only by physical force application, the stretching effect on the elastic body is poor and not uniform enough, and meanwhile, when the device is used, the elastic body is not stably clamped and is not suitable for clamping elastic bodies in various shapes only by clamping the upper surface and the lower surface of the elastic body. Therefore, improvements are needed.

Disclosure of utility model

The utility model aims to provide a thermoplastic polyurethane elastomer stretching device, which solves the problems that when the traditional device is used, an elastomer is stretched only by physical force application, the stretching effect on the elastomer is poor and uneven, and meanwhile, when the device is used, the device clamps the upper surface and the lower surface of the elastomer, the elastomer is unstable and is not suitable for clamping elastomers with various shapes.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a thermoplastic polyurethane elastomer stretching device, includes the base, be provided with heating mechanism on the base, the right-hand member of base has the motor, the output of motor runs through the right side wall of base and rotates with the base to be connected, the one end fixedly connected with bi-directional screw rod of motor is kept away from to the output, the other end and the base of bi-directional screw rod pass through the bearing to be connected, the upper end sliding connection of base has two bilateral symmetry's backup pad, the lower extreme welding of backup pad has the slide, slide and base sliding connection, slide and bi-directional screw rod pass through threaded connection, be provided with fixed establishment in the backup pad.

Preferably, the heating mechanism comprises a support, a sliding block, a motor, a screw rod, a support ring, a heating cylinder, a toothed ring, a side plate, a servo motor and a gear, wherein the support is slidably connected to the upper end of a base, the sliding block is welded to the lower end of the support, the motor is fixedly installed in the middle of the right end of the base, an output shaft of the motor penetrates through the base and is rotationally connected with the base, the screw rod is welded to one end of the output shaft, which is far away from the motor, the support is fixedly connected with the front side of the upper end of the support, the support ring is fixedly installed at the front end of the vertical part of the support, the heating cylinder is installed in the support ring through a bearing, the toothed ring is fixedly sleeved at the middle of the outer side of the heating cylinder, the side plate is welded to the left end of the support, the servo motor is fixedly installed at the left end of the side plate, a rotating shaft of the servo motor penetrates through the side plate and is rotationally connected with the side plate, the gear is welded to one end of the rotating shaft, which is far away from the servo motor, and the gear is meshed with the toothed ring. Screw motion is done through motor drive lead screw rotation and slider, and then makes the support drive the heating cylinder and control the removal to rotate through servo motor drive gear, and then make the ring gear drive the heating cylinder rotate and heat the elastomer, and then make the elastomer can evenly heat and stretch, and then make the elastomer tensile more convenient quick, and stretch more evenly.

Preferably, the screw rod is connected with the sliding block through threads, and the sliding block is connected with the base in a sliding manner. Through setting up the slider for the support is convenient for remove.

Preferably, the fixed establishment includes cassette, clamp splice, slide bar, carousel, guide slot, back shaft, swivel mount, inserted bar, jack, arm-tie, baffle, spring, one side welding that the swivel mount was kept away from to the backup pad has the cassette, one side sliding connection that the backup pad was kept away from to the clamp splice has the clamp splice, one side welding that the clamp splice is close to the backup pad has the slide bar, slide bar and cassette sliding connection, the inside wall of cassette rotates and is connected with the carousel, four guide slots that are annular array distribution have been seted up on the carousel, sliding connection has the slide bar in the guide slot, one side welding that the carousel is close to the backup pad has the back shaft, the back shaft runs through backup pad and is connected with the backup pad rotation, the one end welding that the carousel was kept away from to the back shaft has the swivel mount, one side that the swivel mount is close to the clamp splice contacts, one side sliding connection has the inserted bar, a plurality of jacks that are annular array distribution have been seted up to one side that the jack and inserted bar sliding connection, one side welding of the backup pad has the arm-tie, arm-tie and contact, the swivel mount has the outside of fixed the inserted bar has the baffle. The turntable rotates through the swivel base to enable the guide groove to be matched with the sliding rod, the clamping block is further enabled to move to clamp the elastic body, the elastic body in different shapes can be clamped, the swivel base is limited through the cooperation of the inserting rod and the inserting hole, and then the elastic body is enabled to be clamped stably.

Preferably, the baffle ring is contacted with one side of the supporting plate far away from the clamping seat, and the baffle ring is connected with the swivel seat in a sliding manner. By arranging the baffle ring, the spring is limited.

Preferably, one end of the spring is welded with the baffle ring, and the other end of the spring is welded with the swivel base. Through setting up the spring for the inserted bar is convenient for reset.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, the motor drives the screw rod to rotate and the sliding block to conduct threaded movement, so that the support drives the heating cylinder to move left and right, and the servo motor drives the gear to rotate, so that the toothed ring drives the heating cylinder to rotate to heat the elastomer, the elastomer can be uniformly heated to be stretched, the elastomer is stretched more conveniently and rapidly, and the stretching is more uniform.

2. According to the elastic clamping device, the turntable rotates through rotation of the swivel base, so that the guide groove is matched with the slide bar, the clamping block is moved to clamp the elastic body, the elastic bodies in different shapes can be clamped, the swivel base is limited through matching of the inserting bar and the inserting hole, and the elastic body is clamped stably.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view I of FIG. 1 of the present utility model;

FIG. 3 is a second front cross-sectional view of FIG. 1 in accordance with the present utility model;

FIG. 4 is a cross-sectional view of the securing mechanism of FIG. 2 in accordance with the present utility model;

fig. 5 is a right side view of the turntable of fig. 4 in accordance with the present utility model.

In the figure: 1. a base; 2. a heating mechanism; 3. a motor; 4. a bidirectional screw; 5. a support plate; 6. a slide plate; 7. a fixing mechanism; 21. a support; 22. a slide block; 23. a motor; 24. a screw rod; 25. a bracket; 26. a support ring; 27. a heating cylinder; 28. a toothed ring; 29. a side plate; 210. a servo motor; 211. a gear; 71. a clamping seat; 72. clamping blocks; 73. a slide bar; 74. a turntable; 75. a guide groove; 76. a support shaft; 77. rotating base; 78. a rod; 79. a jack; 710. pulling a plate; 711. a baffle ring; 712. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a thermoplastic polyurethane elastomer stretching device comprises a base 1, a heating mechanism 2 is arranged on the base 1, a motor 3 is fixedly arranged at the right end of the base 1, the output end of the motor 3 penetrates through the right side wall of the base 1 and is rotationally connected with the base 1, one end of the output end, far away from the motor 3, is fixedly connected with a bidirectional screw 4, the other end of the bidirectional screw 4 is connected with the base 1 through a bearing, two supporting plates 5 distributed in bilateral symmetry are slidably connected with the upper end of the base 1, sliding plates 6 are welded at the lower ends of the supporting plates 5, the sliding plates 6 are slidably connected with the base 1, the sliding plates 6 are in threaded connection with the bidirectional screw 4, and a fixing mechanism 7 is arranged on the supporting plates 5.

Referring to fig. 1-3, the heating mechanism 2 comprises a support 21, a slide block 22, a motor 23, a screw rod 24, a support 25, a support ring 26, a heating cylinder 27, a toothed ring 28, a side plate 29, a servo motor 210 and a gear 211, wherein the support 21 is slidably connected to the upper end of the base 1, the slide block 22 is welded to the lower end of the support 21, the motor 23 is fixedly installed in the middle of the right end of the base 1, an output shaft of the motor 23 penetrates through the base 1 and is rotationally connected with the base 1, one end of the output shaft, far away from the motor 23, is welded with the screw rod 24, the screw rod 24 and the slide block 22 are in threaded connection, the slide block 22 and the base 1 are in sliding connection, the support 22 is arranged, the support 21 is convenient to move, the support 25 is fixedly connected with the support ring 25 on the front side of the upper end of the support 21, the support ring 26 is fixedly connected with the support ring 26, the heating cylinder 27 is installed in the support ring 26 through a bearing, the middle of the outer side of the heating cylinder 27 is fixedly sleeved with the toothed ring 28, the side plate 29 is welded to the left end of the support 25, the servo motor 210 is fixedly installed at the left end of the side plate 29, the rotating shaft of the servo motor 210 penetrates through the side plate 29 and is rotationally connected with the side plate 29, one end of the side plate is far away from the servo motor 210, one end of the servo motor 210 is welded with the gear 22, the gear 22 is in a rotating connection with the side plate 22, the toothed ring is driven by the gear 22, the gear 22 is more evenly and is meshed with the gear wheel 22, and further is driven by the gear 22, and is further stretch-shaped and is more evenly and elastically stretched, and is more evenly, and elastically stretched, and is further, and elastically stretched, and the elastic, the body is stretched, and the cylinder is moved, and the cylinder and is moved, and the is heated, and is moved.

Referring to fig. 1-5, the fixing mechanism 7 includes a clamping seat 71, a clamping block 72, a sliding rod 73, a turntable 74, a guide groove 75, a supporting shaft 76, a swivel seat 77, an inserting rod 78, an inserting hole 79, a pull plate 710, a baffle ring 711 and a spring 712, wherein the clamping seat 71 is welded on one side of the supporting plate 5 far away from the swivel seat 77, the clamping block 72 is slidingly connected with the clamping block 72 on one side of the clamping block 72 near the supporting plate 5, the sliding rod 73 is slidingly connected with the clamping seat 71, the turntable 74 is rotatably connected with the inner side wall of the clamping block 71, four guide grooves 75 distributed in an annular array are arranged on the turntable 74, the sliding rod 73 is slidingly connected with the guide groove 75, the supporting shaft 76 is welded on one side of the turntable 74 near the supporting plate 5, the supporting shaft 76 penetrates through the supporting plate 5 and is rotationally connected with the supporting plate 5, the swivel seat 77 is welded on one side of the supporting shaft 76 far away from the swivel seat 74, the side near the clamping seat 71 is contacted with the supporting plate 5, the insert rod 78 is slidably connected in the swivel base 77, a plurality of jacks 79 distributed in a ring array are arranged on one side of the contact of the support plate 5 and the swivel base 77, the jacks 79 are slidably connected with the insert rod 78, a pull plate 710 is welded on one side of the insert rod 78 far away from the support plate 5, the pull plate 710 is contacted with the swivel base 77, a baffle ring 711 is fixedly sleeved on the outer side of the insert rod 78, the baffle ring 711 is in sliding connection with the swivel base 77, the baffle ring 711 is arranged to limit the spring 712, a spring 712 is arranged on the outer side of the insert rod 78, one end of the spring 712 is welded with the baffle ring 711, the other end of the spring 712 is welded with the swivel base 77, the spring 712 is arranged to enable the insert rod 78 to be convenient to reset, the swivel plate 74 is rotated through rotation of the swivel base 77 to enable the guide groove 75 to be matched with the slide rod 73, further enable the clamping block 72 to move to clamp elastic bodies, elastic bodies in different shapes can be clamped, and the swivel base 77 is limited by the cooperation of the inserted link 78 and the insertion hole 79, so that the elastic body is clamped stably.

The specific implementation process of the utility model is as follows: in use, the elastic body passes through the heating cylinder 27, then the motor 3 is started to drive the bidirectional screw 4 to rotate and the sliding plate 6 to make the two supporting plates 5 approach, then the two fixing mechanisms 7 approach, then the elastic body is positioned between the clamping blocks 72, then the pulling plate 710 and the rotating seat 77 are manually pulled to be separated, then the inserting rod 78 slides in the rotating seat 77, the inserting rod 78 is separated from the inserting hole 79, meanwhile, the inserting rod 78 drives the baffle ring 711 and the supporting plates 5 to be separated, then the spring 712 is compressed, then the pulling plate 710 drives the rotating seat 77 to rotate through the inserting rod 78, then the supporting shaft 76 drives the rotary disc 74 to rotate, the rotary disc 74 rotates to drive the guide groove 75 to move, then the sliding rod 73 is controlled by the displacement of the guide groove 75, the clamping block 72 slides on the surface of the clamping seat 71, then the clamping block 72 is contacted with the elastic body, the elastic body is clamped, when the clamping block 72 clamps the elastic body, the pulling plate 710 is loosened, the spring 712 is reset to enable the baffle ring 711 to drive the inserting rod 78 to reset, the inserting rod 78 enters the inserting hole 79 to enable the rotating seat 77 to be limited, the rotating disc 74 is rotated through rotation of the rotating seat 77 to enable the guide groove 75 to be matched with the sliding rod 73 to enable the clamping block 72 to move to clamp the elastic body, the elastic body in different shapes can be clamped, the inserting rod 78 is matched with the inserting hole 79 to limit the rotating seat 77 to enable the elastic body to be clamped stably, then the motor 3 is started to rotate reversely, the two supporting plates 5 drive the two fixing mechanisms 7 to be far away, the elastic body is stretched, then the heating cylinder 27 is started to heat the elastic body, the motor 23 is started to drive the screw 24 to move with the sliding block 22 in a threaded mode through the motor 23, the supporting seat 21 drives the heating cylinder 27 to move left and right, then the servo motor 210 is started, the servo motor 210 drives the gear 211 to rotate, the gear 211 drives the toothed ring 28 to rotate, the toothed ring 28 drives the heating cylinder 27 to rotate to heat the elastomer, the heating cylinder 27 moves left and right to heat the elastomer while rotating, the elastomer can be uniformly heated to be stretched, the elastomer is stretched more conveniently and rapidly, and the stretching is more uniform.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A thermoplastic polyurethane elastomer stretching device, comprising a base (1), characterized in that: be provided with heating mechanism (2) on base (1), the right-hand member fixed mounting of base (1) has motor (3), the output of motor (3) runs through the right side wall of base (1) and rotates with base (1) to be connected, the one end fixedly connected with bi-directional screw (4) of motor (3) are kept away from to the output, the other end and the base (1) of bi-directional screw (4) are passed through bearing connection, the upper end sliding connection of base (1) has two bilateral symmetry distributed backup pad (5), the lower extreme welding of backup pad (5) has slide (6), slide (6) and base (1) sliding connection, slide (6) and bi-directional screw (4) pass through threaded connection, be provided with fixed establishment (7) on backup pad (5).

2. A thermoplastic polyurethane elastomer stretching apparatus as set forth in claim 1, wherein: the heating mechanism (2) comprises a support (21), a sliding block (22), a motor (23), a screw rod (24), a bracket (25), a supporting ring (26), a heating cylinder (27), a toothed ring (28), a side plate (29), a servo motor (210) and a gear (211), wherein the support (21) is connected with the upper end of the base (1) in a sliding manner, the sliding block (22) is welded at the lower end of the support (21), the motor (23) is fixedly arranged at the middle part of the right end of the base (1), an output shaft of the motor (23) penetrates through the base (1) and is in rotary connection with the base (1), the screw rod (24) is welded at one end of the output shaft far away from the motor (23), the bracket (25) is fixedly connected with the front side of the upper end of the support (21), the supporting ring (26) is fixedly arranged at the front end of the vertical part of the bracket (25), the heating cylinder (27) is arranged in the supporting ring (26) in a bearing manner, the middle part of the outer side of the heating cylinder (27) is fixedly sleeved with the welding toothed ring (28), the side plate (29) is fixedly arranged at the left end of the bracket (25), the motor (29) and the rotating shaft (210) is fixedly connected with the rotating shaft (29), one end of the rotating shaft, which is far away from the servo motor (210), is welded with a gear (211), and the gear (211) is meshed with the toothed ring (28).

3. A thermoplastic polyurethane elastomer stretching apparatus as set forth in claim 2, wherein: the screw rod (24) is connected with the sliding block (22) through threads, and the sliding block (22) is connected with the base (1) in a sliding mode.

4. A thermoplastic polyurethane elastomer stretching apparatus as set forth in claim 1, wherein: the fixing mechanism (7) comprises a clamping seat (71), a clamping block (72), a sliding rod (73), a rotary table (74), a guide groove (75), a supporting shaft (76), a rotary seat (77), an inserting rod (78), a jack (79), a pulling plate (710), a baffle ring (711) and a spring (712), wherein the clamping seat (71) is welded on one side of the supporting plate (5) far away from the rotary seat (77), the clamping block (72) is slidingly connected with the clamping block (72) on one side of the supporting plate (5), one side of the clamping block (72) close to the supporting plate (5) is welded with the sliding rod (73), the sliding rod (73) and the clamping seat (71) are slidingly connected with the rotary table (74), four guide grooves (75) distributed in an annular array are formed in the rotary table (74), one side of the rotary table (74) close to the supporting plate (5) is welded with the supporting shaft (76), the supporting shaft (76) penetrates through the supporting plate (5) and is rotationally connected with the supporting plate (5), one end of the supporting shaft (76) far away from the rotary table (77), one side that swivel mount (77) is close to cassette (71) and backup pad (5) contact, sliding connection has inserted bar (78) in swivel mount (77), a plurality of jack (79) that are annular array distribution have been seted up to one side that backup pad (5) and swivel mount (77) contact, jack (79) and inserted bar (78) sliding connection, one side welding that backup pad (5) was kept away from to inserted bar (78) has arm-tie (710), arm-tie (710) and swivel mount (77) contact, the outside of inserted bar (78) is fixed to have cup jointed and has kept off ring (711), the outside of inserted bar (78) is provided with spring (712).

5. A thermoplastic polyurethane elastomer stretching apparatus as set forth in claim 4, wherein: the baffle ring (711) is contacted with one side of the supporting plate (5) far away from the clamping seat (71), and the baffle ring (711) is in sliding connection with the rotating seat (77).

6. A thermoplastic polyurethane elastomer stretching apparatus as set forth in claim 4, wherein: one end of the spring (712) is welded with the baffle ring (711), and the other end of the spring (712) is welded with the swivel base (77).