CN216955665U

CN216955665U - High-efficient stable friction coefficient test device

Info

Publication number: CN216955665U
Application number: CN202220213270.0U
Authority: CN
Inventors: 胡海涛; 赖伟通; 郭伟文; 陈保才
Original assignee: Guangdong Haiyou Measuring Instrument Co ltd
Current assignee: Guangdong Haiyou Measuring Instrument Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-07-12
Anticipated expiration: 2032-01-26

Abstract

The utility model relates to and discloses a high-efficiency stable friction coefficient test device machine table, wherein a driving mechanism is arranged in the machine table, and a force value sensor is arranged at the output end of the driving mechanism; the upper fixing clamp is used for fixing the upper material; the lower fixing clamp is used for fixing a lower material; the force value sensor is provided with a buffer rod, a buffer spring is sleeved on the buffer rod, one end of the buffer spring is abutted to the force value sensor, the other end of the buffer spring is abutted to one end of the buffer rod, and the other end of the buffer rod is connected with an upper fixing clamp; the driving mechanism can drive the force value sensor to move back and forth on the machine table along a first direction. Actuating mechanism's output connection force value sensor, force value sensor can obtain the size of frictional force, obtains coefficient of friction through calculating, and force value sensor and last mounting fixture's be connected, through buffer beam and buffer spring's effect for force value sensor is elastic connection with last mounting fixture's being connected, and the frictional force that obtains is stable accurate.

Description

High-efficient stable friction coefficient test device

Technical Field

The utility model relates to the technical field of friction coefficient tests, in particular to a high-efficiency stable friction coefficient test device.

Background

The paper friction coefficient instrument is suitable for measuring the static friction coefficient and the dynamic friction coefficient of plastic films and sheets (or other similar materials), is matched with control software, and can print a slide block motion curve and a test report. The measurement of the smoothness of the plastic film, particularly the packaging film, is further enhanced by measuring the friction coefficient of the plastic film, and the instrument is widely applied to the packaging industry, inspection institutions and other departments. In the prior art, when a force value sensor of a paper friction coefficient instrument is used for testing, the force value sensor is in hard connection with a testing clamp, so that the condition of inaccurate test data exists during testing, and the test is unstable.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide an efficient and stable friction coefficient test device, which is stable in test and can obtain accurate test data.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a high-efficiency stable friction coefficient test device, which comprises:

the machine table is internally provided with a driving mechanism, and the output end of the driving mechanism is provided with a force value sensor;

the upper fixing clamp is arranged on the machine table and used for fixing an upper material;

the lower fixing clamp is arranged on the machine table and used for fixing a lower material;

the force value sensor is provided with a buffer rod penetrating through the force value sensor, a buffer spring is sleeved on the buffer rod, one end of the buffer spring is abutted against the force value sensor, the other end of the buffer spring is abutted against one end of the buffer rod, and the other end of the buffer rod is connected with the upper fixing clamp;

the driving mechanism can drive the force value sensor to move back and forth on the machine table along a first direction.

Furthermore, one end of the buffer rod, which is close to the upper fixing clamp, is provided with a jack, the upper fixing clamp is provided with an inserted rod, and the inserted rod can be inserted into the jack.

Furthermore, the upper fixing clamp further comprises an upper friction table, an upper connecting plate is arranged at the top of the upper friction table, one end of the upper connecting plate is connected with the upper friction table, the other end of the upper connecting plate is connected with the inserted rod, and the upper material is fixed on the upper friction table.

Furthermore, grooves are formed in two sides of the upper friction table along the first direction, clamping rods are arranged in the grooves in two sides, and two ends of each of the two groups of clamping rods are detachably connected one by one through tension springs.

Further, the bottom of the upper friction table is also provided with a felt.

Further, the lower fixing clamp comprises a linear handle, adjusting rods are arranged at the bottoms of two sides of the linear handle, the adjusting rods penetrate through the upper surface of the machine table and can slide up and down, adjusting springs are arranged on the adjusting rods, and one ends of the adjusting springs are abutted to one ends and the other ends of the adjusting rods and abutted to the machine table.

Furthermore, the rear side of the machine table in the width direction is provided with a sliding groove, and the output end of the driving mechanism extends out of the sliding groove and is connected with the force value sensor.

Further, actuating mechanism includes driving motor, the board is inside to be provided with the interval and sets up the slide bar side by side, the cover has the slider on the slide bar, driving motor's output is connected the slider, the slider is connected the power value sensor, in order to drive the slider is along first direction reciprocating motion.

Further, a driving shaft and a follower shaft are further arranged inside the machine table, the driving shaft and the follower shaft are respectively arranged at two ends of the sliding rod, a driving wheel is sleeved on the driving shaft, a follower wheel is sleeved on the follower shaft, a first belt is sleeved between the driving wheel and the follower wheel and connected with the sliding block, a driving main wheel is arranged at the output end of the driving motor, a driving transmission wheel is further arranged on the driving shaft, and a second belt is sleeved between the driving main wheel and the driving transmission wheel.

Furthermore, a transfer plate is arranged between the sliding block and the force value sensor.

The utility model has the beneficial effects that:

the utility model provides a high-efficiency stable friction coefficient test device which has the working principle that an upper fixing clamp fixes an upper material, a lower fixing clamp fixes a lower material, a driving mechanism drives the upper fixing clamp to reciprocate along a first direction so as to complete a reciprocating friction test, the output end of the driving mechanism is connected with a force value sensor, the force value sensor can obtain the friction force, the friction coefficient is obtained through calculation, the force value sensor is connected with the upper fixing clamp, the force value sensor is elastically connected with the upper fixing clamp through the action of a buffer rod and a buffer spring, and the obtained friction force is stable and accurate.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an efficient stable friction coefficient testing apparatus according to an embodiment of the present invention;

FIG. 2 is another schematic view of a high-efficiency stable friction coefficient testing apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a part of a structure of an efficient stable friction coefficient testing apparatus according to an embodiment of the present invention;

FIG. 4 is a schematic view of another visual part of a stable friction coefficient testing apparatus according to an embodiment of the present invention.

In the figure:

x, a first direction;

1. a machine platform; 11. a work table; 12. ground feet; 13. a chute; 2. a force value sensor; 21. a buffer rod; 22. a buffer spring; 23. a jack; 3. fixing a clamp; 31. inserting a rod; 32. an upper friction table; 33. an upper connecting plate; 34. a groove; 35. a clamping bar; 36. a tension spring; 37. felt; 4. a lower fixing clamp; 41. a linear handle; 42. adjusting a rod; 43. adjusting the spring; 5. a drive mechanism; 51. a drive motor; 52. a slide bar; 53. a slider; 54. a drive shaft; 541. a driving wheel; 55. a follower shaft; 551. a follower wheel; 56. a first belt; 57. a driving main wheel; 58. a driving transmission wheel; 59. a second belt; 6. a patch panel; 61. a first transfer plate; 62. a second adapter plate; 63. a third adapter plate; 7. a proximity switch.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 to 4, an embodiment of the present invention provides an efficient and stable friction coefficient testing apparatus, including: the machine table 1 comprises a top workbench 11, feet 12, a control display mechanism and a printing device which are arranged on the side surface, the machine table 1 mainly adopts the prior art, the interior of the machine table is not redundant, a driving mechanism 5 is arranged in the machine table, the driving mechanism 5 is arranged below the workbench 11, the output end of the driving mechanism 5 is provided with a force value sensor 2, and the force value sensor 2 is arranged above the workbench 11; the upper fixing clamp 3 is arranged on the machine table 1, specifically on the workbench 11, and is used for fixing an upper material; the lower fixing clamp 4 is arranged on the machine table 1, specifically is a workbench 11 and is used for fixing a lower material; the force value sensor 2 is provided with a buffer rod 21 penetrating through the force value sensor 2, a buffer spring 22 is sleeved on the buffer rod 21, one end of the buffer spring 22 is abutted against the force value sensor 2, the other end of the buffer spring 22 is abutted against one end of the buffer rod 21, and the other end of the buffer rod 21 is connected with the upper fixing clamp 3; the driving mechanism 5 can drive the force value sensor 2 to reciprocate on the machine table 1 along a first direction X, wherein the first direction X is along the length direction of the workbench 11.

The embodiment of the utility model provides an efficient stable friction coefficient test device which has the working principle that an upper fixing clamp 3 fixes an upper material, a lower fixing clamp 4 fixes a lower material, a driving mechanism 5 drives the upper fixing clamp 3 to reciprocate along a first direction X so as to complete a reciprocating friction test, the output end of the driving mechanism 5 is connected with a force value sensor 2, the force value sensor 2 can obtain the magnitude of friction force, the friction coefficient is obtained through calculation, the force value sensor 2 is connected with the upper fixing clamp 3 in an elastic mode through the action of a buffer rod 21 and a buffer spring 22, and the obtained friction force is stable and accurate.

As a preferable mode of the embodiment of the present invention, in order to facilitate the installation of the upper fixing jig 3, an insertion hole 23 is provided at one end of the buffer rod 21 close to the upper fixing jig 3, and the upper fixing jig 3 is provided with an insertion rod 31, and the insertion rod 31 can be inserted into the insertion hole 23. Specifically, when the fixing clamp 3 is installed, the insertion rod 31 is directly inserted into the insertion hole 23 to complete installation, and the detachable connection of the upper fixing clamp 3 and the force value sensor 2 facilitates the installation of the upper fixing clamp 3.

As a preferable mode of the embodiment of the present invention, the upper fixing clamp 3 further includes an upper friction table 32, an upper connecting plate 33 is disposed on the top of the upper friction table 32, one end of the upper connecting plate 33 is connected to the upper friction table 32, the other end is connected to the insertion rod 31, and the upper material is fixed to the upper friction table 32. Further, two sides of the upper friction table 32 along the first direction X are provided with grooves 34, the grooves 34 on the two sides are provided with clamping rods 35, and two ends of the two groups of clamping rods 35 are detachably connected one by one through tension springs 36. Specifically, when fixing the upper material, the upper material is fixed below the upper friction table 32, the two sides of the upper material sink into the grooves 34, the two sides of the upper material are respectively clamped by the clamping rods 35, and then the two clamping rods 35 are connected through the tension spring 36, so that the fixing of the upper material is completed, and when the upper material is replaced, the tension spring 36 is detached, so that the upper material is convenient to install and replace.

As a preferable mode of the embodiment of the present invention, the bottom of the upper friction table 32 is further provided with a felt 37. Specifically, go up the material when fixed, can be fixed in the below of felt 37, go up the both sides of material and be cliied by the clamping bar 35 of both sides equally, through setting up felt 37, can make to go up the material and paste more closely with lower material, the coefficient of friction that surveys is more accurate.

As a preferable mode of the embodiment of the present invention, the lower fixing jig 4 includes a linear handle 41, the bottom portions of both sides of the linear handle 41 are provided with adjusting rods 42, the adjusting rods 42 penetrate the upper surface of the machine base 1 and are slidable up and down, the adjusting rods 42 are provided with adjusting springs 43, one end of each adjusting spring 43 is in contact with one end of the adjusting rod 42, and the other end of each adjusting spring 43 is in contact with the machine base 1. Specifically, when the lower material is installed, the linear handle 41 is pulled up, the lower material is fixed below the linear handle 41, and then the linear handle 41 is loosened, so that the linear handle 41 moves downward under the action of the adjusting spring 43 to fix the lower material between the linear handle 41 and the workbench 11.

As a preferable mode of the embodiment of the present invention, a sliding groove 13 is disposed on the rear side of the machine table 1 in the width direction, and the output end of the driving mechanism 5 extends out of the sliding groove 13 to be connected to the force value sensor 2. Further, the driving mechanism 5 includes a driving motor 51, slide bars 52 are arranged inside the machine table 1 side by side at intervals, the slide bars 52 are fixed on the bottom end surface of the working table 11, a sliding block 53 is sleeved on the slide bars 52, the output end of the driving motor 51 is connected to the sliding block 53, and the sliding block 53 is connected to the force value sensor 2 to drive the sliding block 53 to reciprocate along the first direction X. Furthermore, a driving shaft 54 and a follower shaft 55 are arranged inside the machine table 1, bearings are arranged on both sides of the driving shaft 54 and the follower shaft 55, the bearings are connected with the bottom end surface of the working table 11, the driving shaft 54 and the follower shaft 55 are rotated with respect to bearings, the driving shaft 54 and the follower shaft 55 are respectively provided at both ends of the slide rod 52, the driving shaft 54 is sleeved with a driving wheel 541, the following shaft 55 is sleeved with a following wheel 551, a first belt 56 is sleeved between the driving wheel 541 and the driven wheel 551, the first belt 56 is connected with the slide block 53, the output end of the driving motor 51 is provided with a driving main wheel 57, the driving motor 51 is installed on the bottom end surface of the worktable 11, the driving shaft 54 is further provided with a driving transmission wheel 58, and a second belt 59 is sleeved between the driving main wheel 57 and the driving transmission wheel 58. Specifically, the driving motor 51 rotates to synchronously drive the driving main wheel 57, the second belt 59 and the driving transmission wheel 58 to rotate, the driving transmission wheel 58 drives the driving shaft 54 to rotate, the driving shaft 54 drives the driving wheel 541 to rotate, so as to drive the first belt 56 to rotate, and the first belt 56 drives the sliding block 53 to move on the sliding rod 52 in a reciprocating manner, preferably, proximity switches 7 are arranged on both sides of the sliding rod 52, and by arranging the proximity switches 7, when the sliding block 53 slides to the corresponding position of the proximity switch 7, the proximity switch 7 senses the sliding block 53 and sends a reverse signal to the driving motor 51, so that the driving motor 51 changes the rotation direction, and the sliding block 53 can move in a reciprocating manner along the first direction X.

As a preferable mode of the embodiment of the present invention, an adapter plate 6 is further disposed between the slider 53 and the force value sensor 2. Specifically, the adapter plate 6 includes a first adapter plate 61, a second adapter plate 62 and a third adapter plate 63, the first adapter plate 61 is connected to the slider 53, the first adapter plate 61 passes through the sliding slot 13, one side of the first adapter plate 61 extending out of the sliding slot 13 is vertically connected to the second adapter plate 62, the top of the second adapter plate 62 is vertically connected to the third adapter plate 63, and the third adapter plate 63 is connected to the force value sensor 2.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. Those skilled in the art will appreciate that the present invention is not limited to the particular embodiments described herein, and that various obvious changes, rearrangements and substitutions will now be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. The utility model provides a high-efficient stable friction coefficient test device which characterized in that includes:

the device comprises a machine table (1), wherein a driving mechanism (5) is arranged in the machine table (1), and a force value sensor (2) is arranged at the output end of the driving mechanism (5);

the upper fixing clamp (3) is arranged on the machine table (1) and used for fixing an upper material;

the lower fixing clamp (4) is arranged on the machine table (1) and is used for fixing a lower material;

a buffer rod (21) penetrating through the force value sensor (2) is arranged on the force value sensor (2), a buffer spring (22) is sleeved on the buffer rod (21), one end of the buffer spring (22) is abutted to the force value sensor (2), the other end of the buffer spring (22) is abutted to one end of the buffer rod (21), and the other end of the buffer rod (21) is connected with the upper fixing clamp (3);

the driving mechanism (5) can drive the force value sensor (2) to move back and forth on the machine table (1) along a first direction.

2. An efficient stable friction coefficient test device as claimed in claim 1, wherein one end of said buffer rod (21) close to said upper fixture (3) is provided with a plug hole (23), said upper fixture (3) is provided with an insert rod (31), and said insert rod (31) can be inserted into said plug hole (23).

3. The high-efficiency stable friction coefficient test device according to claim 2, wherein the upper fixing clamp (3) further comprises an upper friction table (32), an upper connecting plate (33) is arranged at the top of the upper friction table (32), one end of the upper connecting plate (33) is connected with the upper friction table (32), the other end of the upper connecting plate is connected with the inserting rod (31), and an upper material is fixed on the upper friction table (32).

4. An efficient stable friction coefficient test device as claimed in claim 3, wherein grooves (34) are arranged on two sides of the upper friction table (32) along the first direction, clamping rods (35) are arranged on the grooves (34) on the two sides, and two ends of the two groups of clamping rods (35) are detachably connected one by one through tension springs (36).

5. An efficient stable friction coefficient testing device as claimed in claim 4, characterized in that the bottom of said upper friction table (32) is further provided with felt (37).

6. The efficient stable friction coefficient testing device according to claim 1, wherein the lower fixing clamp (4) comprises a straight handle (41), adjusting rods (42) are arranged at bottoms of two sides of the straight handle (41), the adjusting rods (42) penetrate through the upper surface of the machine table (1) and can slide up and down, adjusting springs (43) are arranged on the adjusting rods (42), and one ends of the adjusting springs (43) abut against one ends of the adjusting rods (42) while the other ends abut against the machine table (1).

7. An efficient stable friction coefficient testing device as claimed in any one of claims 1 to 6, wherein said machine table (1) is provided with a sliding groove (13) at the rear side in the width direction, and the output end of said driving mechanism (5) extends out of said sliding groove (13) to be connected with said force value sensor (2).

8. The efficient stable friction coefficient testing device according to claim 7, wherein the driving mechanism (5) comprises a driving motor (51), sliding rods (52) are arranged inside the machine table (1) side by side at intervals, a sliding block (53) is sleeved on each sliding rod (52), the output end of the driving motor (51) is connected with each sliding block (53), and each sliding block (53) is connected with the corresponding force value sensor (2) to drive each sliding block (53) to reciprocate along a first direction.

9. The high-efficiency stable friction coefficient testing device according to claim 8, a driving shaft (54) and a follow-up shaft (55) are also arranged in the machine table (1), the driving shaft (54) and the follower shaft (55) are respectively arranged at both ends of the slide rod (52), the driving shaft (54) is sleeved with a driving wheel (541), the follow-up shaft (55) is sleeved with a follow-up wheel (551), a first belt (56) is sleeved between the driving wheel (541) and the driven wheel (551), the first belt (56) is connected with the sliding block (53), the output end of the driving motor (51) is provided with a driving main wheel (57), the driving shaft (54) is also provided with a driving transmission wheel (58), and a second belt (59) is sleeved between the driving main wheel (57) and the driving transmission wheel (58).

10. The efficient stable friction coefficient testing device according to claim 8, characterized in that an adapter plate (6) is further arranged between the sliding block (53) and the force value sensor (2).