Fatigue testing device for rotary refill

Abstract

The utility model discloses a fatigue testing device for a rotary refill, and particularly relates to the technical field of fatigue testing, the fatigue testing device comprises a fixing piece which is arranged at the top of a supporting table and is used for fixing the refill, and the top of the fixing piece is used for isolating and protecting the exploded and splashed refill through a protection piece; and the protection part comprises a moving table arranged at the top of the supporting table, two packaging cylinders are installed at the top of the rear end of the moving table, jacking columns with T-shaped sections and springs are sequentially arranged in the packaging cylinders from top to bottom, and the top ends of the jacking columns penetrate out of the packaging cylinders and are provided with connecting plates. The universal driving shaft is driven by the double-shaft motor to release the connecting rope, the jacking column is not limited by the connecting rope, the connecting plate can be jacked to move upwards by means of resilience force of the spring, then the corrugated pipe is unfolded by the connecting plate, the effect that the corrugated pipe shields the pen refill in all directions is achieved, and the situation that workers are harmed by splashes caused by explosion of the pen refill is avoided; and the operation safety of workers is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the fatigue test technical field more specifically, and it is a kind of rotating pen core fatigue testing device. BACKGROUND

[0002] Pen core is the core component of writing tool, and its performance directly affects the fluency of writing, durability and user experience. Among them, the rotating pen core is driven by rotating the knob of the pen barrel or tail, to drive the internal gear or threaded structure, to control the advance and retreat of the pen core. However, the fatigue life test of the pen core is a key link to ensure product quality. Therefore, the material durability of the pen core advancing mechanism (such as gear, screw, spring, etc.) is often detected by simulating the working condition of long-term repeated rotation to avoid breakage or deformation caused by metal fatigue, plastic aging or stress concentration.

[0003] As shown in the prior art with publication number CN211477598U, although the prior art clamps the equipment by the baffle and the clamping plate respectively, and then performs fatigue test on the equipment under the repeated rotation of the rotary motor, the efficiency is high. However, when rotating the equipment, if the quality of the equipment is not good, damage and explosion may occur, and the splashing of debris may harm the workers, thereby affecting the operation safety. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a rotating pen core fatigue testing device, which releases the connecting rope by driving the linkage shaft with a double-shaft motor. The top column is not limited by the connecting rope, so that the connecting plate can be lifted and moved upward by the rebound force of the spring. The connecting plate then unfolds the corrugated pipe, realizing the effect of the corrugated pipe shielding the pen core in all directions, avoiding the splashing of the pen core explosion to harm the workers, and improving the operation safety of the workers to solve the problems in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a rotating pen core fatigue testing device, comprising a fixing member arranged on the top of the support table for fixing the pen core, and the top of the fixing member is provided with a protective member for isolating and protecting the pen core from explosion and splashing.

[0006] The protective member comprises a moving table arranged on the top of the support table, and two encapsulating cylinders are installed on the top of the rear end of the moving table. A top column with a T-shaped cross section and a spring are arranged in the encapsulating cylinder from top to bottom, and the top end of the top column penetrates out of the encapsulating cylinder and is provided with a connecting plate. A corrugated pipe is installed between the two connecting plates and fixed on the top of the moving table.

[0007] In a preferred embodiment, the mobile station front end is provided with a double-shaft motor, and the double-shaft motor is provided with a linkage shaft at both ends, the linkage shaft is provided with a connecting rope penetrating through the mobile station and extending into the inside of the packaging cylinder, and the top end of the connecting rope is connected to the bottom of the top column through a spring.

[0008] In a preferred embodiment, the fixing member is provided with a material hole opened on the outside of the rear end of the mobile station, the material hole is arranged at the bottom of the bellows, and a plurality of support columns for supporting the first four-jaw chuck are arranged in the inside of the material hole, the bottom of the first four-jaw chuck is provided with a collecting cylinder screw-connected with the material hole, and the bottom end of the collecting cylinder extends to the bottom of the mobile station.

[0009] In a preferred embodiment, the top of the support table is provided with a top plate, and the bottom of the top plate is provided with a support column at each corner, and the bottom end of the support column is fixedly connected with the top of the support table to form a stable support structure.

[0010] The bottom of the top plate is symmetrically arranged along the longitudinal central axis and provided with two first electric push rods, the bottom end of the two first electric push rods is provided with the same adjusting plate, the bottom end of the adjusting plate is provided with a movable seat movably connected through a rotating shaft, the bottom end of the movable seat is provided with a second four-jaw chuck, and the top of the adjusting plate is provided with a servo motor for driving the rotation of the movable seat.

[0011] In a preferred embodiment, the support table is provided with a through hole corresponding to one side of the mobile station, the mobile station is arranged in the inside of the through hole, and the inner walls of both sides of the through hole are provided with a guide groove, and the inside of the guide groove is provided with a guide plate for connecting the mobile station.

[0012] In a preferred embodiment, the rear end of the support table is provided with a second electric push rod, and the front end of the second electric push rod penetrates through the support table and is fixedly connected with the rear side of the mobile station.

[0013] The technical effects and advantages of the present application are as follows:

[0014] 1. The double-shaft motor drives the linkage shaft to release the connecting rope, the top column is not limited by the connecting rope, and the connecting plate can be lifted and moved upward by the rebounding force of the spring, the connecting plate expands the bellows, the bellows can shield the pen core in all directions, the situation that the pen core explodes and splashes to harm the staff is avoided, and the operation safety of the staff is improved.

[0015] 2. The corresponding communication between the material hole and the bellows allows the slag to fall into the inside of the collecting cylinder through the material hole, and then the collecting cylinder screw-connected with the material hole is rotated and disassembled, so that the slag can be conveniently treated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the present application.

[0017] Figure 2 It is the side sectional view of the support table of the utility model;

[0018] Figure 3 It is the sectional view of the mobile table of the utility model;

[0019] Figure 4 It is the second four-jaw chuck bottom view of the utility model;

[0020] Figure 5 It is the main view of the support table of the utility model.

[0021] The figure mark is: 1, support table;2, mobile table;3, package cylinder;4, top column;5, spring;6, connecting plate;7, bellows;8, double-shaft motor;9, linkage shaft;10, connecting rope;11, material hole;12, first four-jaw chuck;13, support column;14, collection cylinder;15, top plate;16, support column;17, first electric push rod;18, adjusting plate;19, movable seat;20, second four-jaw chuck;21, servo motor;22, through hole;23, guide slot;24, guide plate;25, second electric push rod. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] With reference to the drawings in the description Figures 1-5 The utility model provides a kind of rotary pencil core fatigue testing device, including the fixing member for fixing pencil core being arranged in support table 1 top portion;The fixing member includes the material hole 11 being opened in the rear end outside of mobile table 2, the material hole 11 is arranged at the bottom of bellows 7, and material hole 11 inside is equipped with multiple support column 13 for supporting first four-jaw chuck 12, the bottom of first four-jaw chuck 12 is equipped with the collection cylinder 14 being screwed with material hole 11, and collection cylinder 14 bottom end extends to the bottom of mobile table 2.

[0024] Before the fixed part is used to fix the refill, the second electric push rod 25 is installed at the rear end of the support table 1, and the front end of the second electric push rod 25 penetrates the support table 1 and is fixed with the rear side of the moving table 2, so that the front side of the moving table 2 can be pushed by the second electric push rod 25, the first four-jaw chuck 12 is moved to the outside of the front end of the support table 1, and then the staff can fix the refill in the first four-jaw chuck 12, and then the moving table 2 is reset by the second electric push rod 25. Wherein, a through hole 22 is formed in the side of the support table 1 corresponding to the moving table 2, the moving table 2 is arranged in the through hole 22, guide grooves 23 are formed in the inner walls of the two sides of the through hole 22, and guide plates 24 for connecting the moving table 2 are arranged in the guide grooves 23, so that the guide plates 24 can limit the moving table 2 by clamping the guide grooves 23, and the stability of the moving table 2 is ensured.

[0025] After the refill is fixed, the refill needs to be driven to rotate for fatigue test, as shown in Figure 1 、 2 and 4, the top of the support table 1 is provided with a top plate 15, and support columns 16 are installed at the four corners of the bottom of the top plate 15, the bottom ends of the support columns 16 are fixedly connected with the top of the support table 1 to form a stable support structure; two first electric push rods 17 are symmetrically arranged on the bottom of the top plate 15 along the longitudinal center axis, and the bottom ends of the two first electric push rods 17 are provided with the same adjusting plate 18, the bottom end of the adjusting plate 18 is provided with the movable seat 19 which is movably connected through a rotating shaft, the bottom end of the movable seat 19 is provided with the second four-jaw chuck 20, and the top of the adjusting plate 18 is provided with the servo motor 21 for driving the movable seat 19 to rotate.

[0026] When the moving table 2 moves the refill on the first four-jaw chuck 12 to the bottom of the second four-jaw chuck 20, the first electric push rod 17 drives the adjusting plate 18 to move downward, and the second four-jaw chuck 20 on the adjusting plate 18 clamps the top rotating part of the refill, and then the second four-jaw chuck 20 on the movable seat 19 is driven to rotate by the servo motor 21, the second four-jaw chuck 20 synchronously drives the top rotating part of the refill to rotate, so as to realize the effect of rotating fatigue test on the refill.

[0027] In order to avoid the splash caused by the explosion of the refill from harming the staff, the refill needs to be shielded, as shown in Figures 1-3 The top of the fixed part is prevented from splashing by the protection part; the protection part includes the moving table 2 arranged on the top of the support table 1, and two packaging tubes 3 are installed at the top of the rear end of the moving table 2, a top column 4 with a T-shaped cross section and a spring 5 are sequentially arranged in the packaging tube 3 from top to bottom, the top end of the top column 4 penetrates out of the packaging tube 3 and is provided with a connecting plate 6, and the corrugated pipe 7 is installed between the two connecting plates 6 and fixed on the top of the moving table 2.

[0028] When the corrugated pipe 7 is unfolded, the double-shaft motor 8 is installed at the bottom of the front end of the moving table 2, the linkage shaft 9 is installed at both ends of the double-shaft motor 8, the connecting rope 10 extending through the moving table 2 and into the inside of the packaging cylinder 3 is installed at both ends of the linkage shaft 9, and the top end of the connecting rope 10 is connected to the bottom of the top column 4 through the spring 5, so that the staff needs to start the double-shaft motor 8 to drive the linkage shaft 9 to rotate, so that the linkage rod can unfold the winding connecting rope 10, at this time, the top column 4 is not limited by the connecting rope 10, so that the connecting plate 6 can be lifted up by the rebound force of the spring 5, the corrugated pipe 7 is unfolded during the upward movement of the connecting plate 6, so that the corrugated pipe 7 can be sleeved outside the first four-jaw chuck 12 and the second four-jaw chuck 20, and the full-range shielding of the pen core is realized, the pen core explosion is avoided, the splashing damage to the staff is avoided, the operation safety of the staff is improved, the splashing material is collected in the collecting cylinder 14 through the material hole 11, the collecting cylinder 14 threadedly connected with the material hole 11 is rotated and disassembled, and the broken slag is treated.

[0029] Finally: the above only preferred embodiments of the present application have been described, and are not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A rotating refill fatigue testing device, characterized by: The fixed part is arranged on the top of the support table (1) for fixing the pen core, and the top of the fixed part is isolated and protected from the splashing pen core by the protective part. The protective part includes a moving table (2) arranged on the top of the support table (1), and two packaging cylinders (3) are installed on the top of the rear end of the moving table (2). A top column (4) with a T-shaped cross section and a spring (5) are sequentially arranged inside the packaging cylinder (3) from top to bottom, the top end of the top column (4) penetrates out of the packaging cylinder (3) and is installed with a connecting plate (6), and the corrugated pipe (7) fixed on the top of the moving table (2) is installed between the two connecting plates (6).

2. A rotating barrel fatigue testing apparatus according to claim 1, wherein: The front end of the moving table (2) is installed with a double-shaft motor (8), and the two ends of the double-shaft motor (8) are installed with linkage shafts (9). The two ends of the linkage shaft (9) are installed with connecting ropes (10) penetrating through the moving table (2) and extending into the inside of the packaging cylinder (3), and the top end of the connecting rope (10) is connected to the bottom of the top column (4) through the spring (5).

3. A rotating barrel fatigue testing apparatus as defined in claim 1, wherein: The fixed part includes a material hole (11) opened on the outside of the rear end of the moving table (2), the material hole (11) is arranged on the bottom of the corrugated pipe (7), and a plurality of support columns (13) for supporting the first four-jaw chuck (12) are installed inside the material hole (11). The bottom of the first four-jaw chuck (12) is provided with a collecting cylinder (14) threadedly connected with the material hole (11), and the bottom end of the collecting cylinder (14) extends to the bottom of the moving table (2).

4. A rotating barrel fatigue testing apparatus as defined in claim 1, wherein: The top of the support table (1) is provided with a top plate (15), and the bottom of the top plate (15) is installed with support columns (16) at four corners. The bottom end of the support column (16) is fixedly connected with the top of the support table (1) to form a stable support structure. The bottom of the top plate (15) is symmetrically arranged along the longitudinal central axis and is installed with two first electric push rods (17), and the bottom end of the two first electric push rods (17) is installed with the same adjusting plate (18). The bottom end of the adjusting plate (18) is installed with a movable seat (19) movably connected through a rotating shaft. The bottom end of the movable seat (19) is installed with a second four-jaw chuck (20), and the top of the adjusting plate (18) is installed with a servo motor (21) for driving the rotation of the movable seat (19).

5. A rotating barrel fatigue testing apparatus as defined in claim 1, wherein: A through hole (22) is formed on one side of the support table (1) corresponding to the moving table (2), the moving table (2) is arranged inside the through hole (22), and guide grooves (23) are formed on the inner walls of the two sides of the through hole (22), and a guide plate (24) for connecting the moving table (2) is arranged inside the guide groove (23).

6. A rotating barrel fatigue testing apparatus as defined in claim 1, wherein: The rear end of the support table (1) is installed with a second electric push rod (25), and the front end of the second electric push rod (25) penetrates through the support table (1) and is fixed with the rear side of the moving table (2).

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