CN218496808U

CN218496808U - Thermal deformation test machine

Info

Publication number: CN218496808U
Application number: CN202222208094.4U
Authority: CN
Inventors: 姚大爱
Original assignee: Guangdong Plastic Steel New Material Technology Co ltd
Current assignee: Guangdong Plastic Steel New Material Technology Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-02-17
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses a thermal deformation testing machine, which relates to the technical field of thermal deformation testing machines and solves the problem of inconvenient adjustment of the tight pressing degree of an induction pointer, and comprises a machine body, a collet device, a fixed rod, a sliding block and a displacement sensor meter, wherein one side of the sliding block is rotatably connected with a threaded rod which is pressed and matched with the fixed rod; the device also comprises a rotating plate and a toothed plate; the adjusting assembly is used for driving the rotating plate to complete the movement of the displacement sensor meter; fixed subassembly, fixed subassembly support through the pinion rack and press the rotor plate after the fixed adjustment, the utility model discloses a straightway quick gliding slider of rotor plate, then rotate the dwang, make the circular arc section of rotor plate roll on the dead lever to the inseparable degree of the response pointer of adjustment displacement sensor table and the support of being detected the thing and pressing, and through the pinion rack with the activity groove support press and support the joint of pressing sleeve and activity groove, it is fixed to the rotor plate after the adjustment.

Description

Thermal deformation test machine

Technical Field

The utility model relates to a heat altered shape test machine technical field specifically is a heat altered shape test machine.

Background

The thermal deformation testing machine is suitable for the standards of GB/T1633, GB/T1634, ISO175, ISO180 and the like, measures deformation quantity by using a displacement sensor table, automatically acquires test data, is provided with a printer, and is widely used for measuring thermal deformation temperature (HDT) and Vicat temperature (VST) of thermoplastic plastics, hard rubber, long fiber reinforced composite materials and the like.

In the use process of the thermal deformation testing machine, the threaded rod is rotated, the displacement sensor meter slides downwards along the fixed column, the induction pointer under the displacement sensor meter is tightly pressed on the outer surface of a detected object, then the threaded rod is rotated to complete fixation, and a follow-up test is carried out.

To this end, we propose a thermal deformation tester.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat altered shape test machine convenient to accurate regulation displacement sensor table supports the degree of pressing to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a thermal deformation testing machine comprises a machine body, wherein the top surface of the machine body is fixedly connected with a plurality of collet devices for fixing detected objects, the side of each collet device is fixedly connected with a fixed rod, each fixed rod is provided with a sliding block in a sliding fit mode, the end part of each sliding block is fixedly connected with a displacement sensor table positioned right above the corresponding collet device, and one side of each sliding block is rotatably connected with a threaded rod in abutting-pressing fit with the corresponding fixed rod; the device also comprises a rotating plate and a toothed plate; the adjusting assembly is used for driving the rotating plate to complete the movement of the displacement sensor meter; and the fixed assembly is abutted against the rotating plate after being fixed and adjusted through the toothed plate.

Preferably, the adjusting part include with rotor plate complex dwang, the activity groove has been seted up to the slider side, the rotor plate with the dwang all in the activity inslot rotation is close to the dead lever the part of rotor plate is the straightway that is vertical direction, the straightway of rotor plate with dead lever surface sliding fit, the circular arc section of rotor plate with dead lever rolling fit.

Preferably, the fixed subassembly includes and is located the gear of rotor plate middle part position rotation, the gear axis with penetrate the dwang of rotor plate is connected fixedly, gear engagement with wear out the rotor plate the pinion rack meshing contact, the pinion rack tip with the activity inslot wall supports the press fit.

Preferably, the fixed component further comprises a pressing sleeve sleeved on the outer surface of the rotating rod, the pressing sleeve is of a conical structure, and the outer surface of the pressing sleeve is fixedly clamped with the movable groove.

Preferably, the end part of the rotating rod is fixedly connected with an adjusting handle, so that the adjusting operation is convenient.

Preferably, the adjusting handle is fixedly connected with an identification plate, so that the rotating rod can rotate automatically and conveniently.

Preferably, the outer surface of the arc section of the rotating plate is made of a material with elastic performance, so that the arc section of the rotating plate is tightly attached to the fixed rod, and the arc section of the rotating plate rolls on the fixed rod.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a straightway of rotor plate glides the slider fast, then rotates the dwang, makes the circular arc section of rotor plate roll on the dead lever to the response pointer of adjustment displacement sensor table and the inseparable degree of being pressed by the support of being detected the thing, and through the pinion rack with the movable groove support to press and support the joint of pressing sleeve and movable groove, it is fixed to the rotor plate after the adjustment.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the slider and the connecting member thereof;

FIG. 3 is a schematic side view of the structure of FIG. 2;

FIG. 4 is a schematic cross-sectional view of the structure of FIG. 3;

FIG. 5 is a schematic diagram of FIG. 4 with the structure broken away;

fig. 6 is a schematic diagram of fig. 5 with a partially disassembled structure.

In the figure: 1-body; 2-a mounting device; 3-fixing the rod; 4-a slide block; 5-a displacement sensor meter; 6-threaded rod; 7-a rotating plate; 8-toothed plate; 9-an adjustment assembly; 10-rotating rods; 11-a movable groove; 12-a stationary assembly; 13-a gear; 14-pressing the sleeve; 15-adjusting handle; 16-sign board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1-3, a thermal deformation testing machine shown in the figure comprises a machine body 1, wherein the top surface of the machine body 1 is fixedly connected with a plurality of bottom support devices 2 for fixing detected objects, the side of each bottom support device 2 is fixedly connected with a fixed rod 3, a sliding block 4 is matched with the fixed rod 3 in a sliding manner, the end part of each sliding block 4 is fixedly connected with a displacement sensor meter 5 positioned right above the corresponding bottom support device 2, and one side of each sliding block 4 is rotatably connected with a threaded rod 6 which is matched with the fixed rod 3 in a pressing manner; the device also comprises a rotating plate 7 and a toothed plate 8; the adjusting component 9 is used for driving the rotating plate 7 to complete the movement of the displacement sensor meter 5; and the fixed component 12 is pressed against the fixed adjusted rotating plate 7 through the toothed plate 8 by the fixed component 12.

Referring to fig. 4 to 5, the adjusting assembly 9 shown in the figure includes a rotating rod 10 engaged with the rotating plate 7, a movable groove 11 is formed in a side surface of the slider 4, both the rotating plate 7 and the rotating rod 10 rotate in the movable groove 11, a portion of the rotating plate 7 close to the fixing rod 3 is a straight line segment in a vertical direction, the straight line segment of the rotating plate 7 is slidably engaged with an outer surface of the fixing rod 3, and an arc segment of the rotating plate 7 is in rolling engagement with the fixing rod 3.

Wherein, the outer surface of the arc section of the rotating plate 7 is made of a material with elastic performance.

In this embodiment, the detected object is fixed on the mounting device 2, by rotating the threaded rod 6, thereby making the slider 4 loose, it is convenient for the slider 4 to move and adjust, by manually moving the slider 4, the slider 4 drives the displacement sensor meter 5 to move along the fixed rod 3, at this moment, the straight line section of the rotating plate 7 is in sliding fit with the fixed rod 3, when the sensing pointer of the displacement sensor meter 5 is close to the detected object, by rotating the rotating rod 10, the rotating rod 10 is made to rotate along the movable groove 11, the rotating plate 7 rotates, the arc section of the rotating plate 7 is made to contact with the outer surface of the fixed rod 3, thereby the rotating plate 7 rolls along the fixed rod 3, thereby driving the slider 4 to move, when the moving slider 4 drives the sensing pointer of the displacement sensor meter 5 to press the detected object, and by rotating the rotating adjustment rotating rod 10, the pressing degree between the sensing pointer and the detected object is proper, then, by fixing the fixing component 12, finally, the fixing effect of the slider 4 on the fixed rod 3 is strengthened by the rotating the threaded rod 6.

Example two

In this embodiment, referring to fig. 5-6, the fixing assembly 12 shown in the figure includes a gear 13 rotating at the middle position of the rotating plate 7, a central shaft of the gear 13 is fixedly connected to the rotating rod 10 penetrating through the rotating plate 7, the gear 13 is engaged with the toothed plate 8 penetrating through the rotating plate 7, and the end of the toothed plate 8 is in press fit with the inner wall of the movable groove 11.

Wherein, the end of the rotating rod 10 is fixedly connected with an adjusting handle 15, and the adjusting handle 15 is fixedly connected with an identification plate 16.

In this embodiment, rotation adjustment handle 15 makes dwang 10 rotation to transfer gear 13 rotation, drive pinion rack 8 and remove, the pinion rack 8 that removes is worn out the inner wall of rotor plate 7 and activity groove 11 and is supported to press fixedly.

EXAMPLE III

In a third embodiment, referring to fig. 5-6, the fixing assembly 12 further includes a pressing sleeve 14 sleeved on the outer surface of the rotating rod 10, the pressing sleeve 14 is in a conical structure, and the outer surface of the pressing sleeve 14 is clamped and fixed with the movable groove 11.

In this embodiment, when rotating adjustment handle 15, make pinion rack 8 and activity groove 11 support to press fixedly, then slide along dwang 10 and support to press sleeve 14, make to be conical support to press sleeve 14 joint on activity groove 11, further strengthen fixed effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. A thermal deformation testing machine comprising:

the detection device comprises a machine body (1), wherein the top surface of the machine body (1) is fixedly connected with a plurality of collet devices (2) used for fixing detected objects, the side of each collet device (2) is fixedly connected with a fixing rod (3), a sliding block (4) is matched with the fixing rod (3) in a sliding manner, the end part of each sliding block (4) is fixedly connected with a displacement sensor meter (5) which is positioned right above the corresponding collet device (2), and one side of each sliding block (4) is rotatably connected with a threaded rod (6) which is matched with the corresponding fixing rod (3) in a pressing manner;

it is characterized by also comprising:

a rotating plate (7) and a toothed plate (8);

the adjusting assembly (9), the adjusting assembly (9) is used for driving the rotating plate (7) to complete the movement of the displacement sensor meter (5);

the fixed component (12), the fixed component (12) is pressed against the rotating plate (7) after being fixed and adjusted through the toothed plate (8).

2. A thermal deformation testing machine as set forth in claim 1, wherein: adjusting part (9) include with rotor plate (7) complex dwang (10), activity groove (11) have been seted up to slider (4) side, rotor plate (7) with dwang (10) all in activity groove (11) internal rotation is close to dead lever (3) the straightway of part for being vertical direction of rotor plate (7), the straightway of rotor plate (7) with dead lever (3) surface sliding fit, the circular arc section of rotor plate (7) with dead lever (3) rolling fit.

3. A thermal deformation testing machine as set forth in claim 2, wherein: fixed subassembly (12) are including being located gear (13) of rotor plate (7) middle part position rotation, gear (13) axis with penetrate dwang (10) of rotor plate (7) are connected fixedly, gear (13) meshing with wear out rotor plate (7) pinion rack (8) meshing contact, pinion rack (8) tip with movable groove (11) inner wall supports the press fit.

4. A thermal deformation testing machine as set forth in claim 3, wherein: the fixed component (12) further comprises a pressing sleeve (14) sleeved on the outer surface of the rotating rod (10), the pressing sleeve (14) is of a conical structure, and the outer surface of the pressing sleeve (14) is clamped and fixed with the movable groove (11).

5. A thermal deformation testing machine as set forth in claim 2, wherein: the end part of the rotating rod (10) is fixedly connected with an adjusting handle (15).

6. A thermal deformation testing machine according to claim 5, characterized in that: the adjusting handle (15) is fixedly connected with an identification plate (16).

7. A thermal deformation testing machine as set forth in claim 2, wherein: the outer surface of the arc section of the rotating plate (7) is made of a material with elastic performance.