CN111175156A

CN111175156A - Automatic multi-head low-temperature brittleness temperature testing machine for rubber material

Info

Publication number: CN111175156A
Application number: CN202010113050.6A
Authority: CN
Inventors: 郑君; 刘永林; 王勇; 潘博强; 董明皓; 郑捷元
Original assignee: Liaoning Tieling Rubber Industry Research And Design Institute
Current assignee: Liaoning Tieling Rubber Industry Research And Design Institute
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-05-19

Abstract

The invention discloses an automatic multi-head rubber material low-temperature brittleness temperature testing machine which comprises a workbench main body, wherein a support frame is assembled on the upper surface of the workbench main body, an adjusting mechanism is arranged between the support frame and the workbench main body, a clamp holder is assembled in the support frame, a test groove is formed in the upper surface of the workbench main body, and an impact head is assembled on the upper surface of the workbench main body through an impact head attachment frame. Through set up three centre gripping groove in the holder, can once carry out the centre gripping to three sample, set up simultaneously and attach the fixed three head of strikeing of frame through strikeing the head, make three impact the head and can cool down the operation to three sample of centre gripping, once test three sample, reduce the error of test, the holder assembles through coupling assembling and support frame, conveniently dismantles the holder, makes the change of holder simpler, convenient.

Description

Automatic multi-head low-temperature brittleness temperature testing machine for rubber material

Technical Field

The invention relates to the technical field of low-temperature brittleness of rubber, in particular to an automatic multi-head low-temperature brittleness temperature testing machine for rubber materials.

Background

The rubber low-temperature brittleness testing machine can be used for examining and determining the adaptability of products such as electricians, electronics, automobile electrical appliances, materials and the like, which are stored and used under the condition of low-temperature environment, but the existing low-temperature brittleness temperature testing machines are single-sample equipment, only one standard sample can be made each time in the experiment process, the test result can be obtained through repeated tests, the work efficiency is low due to the repeated tests, the operation of a clamp holder is difficult in the test process, the standard test is easy to lose, and the result error is large. To this end, we propose an automatic multi-head low temperature brittleness temperature tester for rubber materials.

Disclosure of Invention

The invention aims to provide an automatic multi-head low-temperature brittleness temperature testing machine for rubber materials, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: automatic bull rubber materials low temperature brittleness temperature test machine, including the workstation main part, the upper surface of workstation main part is equipped with the support frame, be equipped with adjustment mechanism between support frame and the workstation main part, be equipped with the holder in the support frame, the test slot has been seted up to the upper surface of workstation main part, the upper surface of workstation main part attaches the frame through the impact head and is equipped with the impact head.

Preferably, the support frame includes the mount of fixed mounting in workstation main part upper surface, the lateral wall of mount is equipped with the slide rail, sliding connection has the carriage in the slide rail, the lateral wall of carriage is equipped with the fixed plate, assembly slot has been seted up to the lateral wall of fixed plate.

Preferably, the adjusting mechanism comprises a motor fixedly installed in the workbench main body, an output end of the motor is fixedly connected with an adjusting screw rod, the outer side wall of the adjusting screw rod is in threaded connection with an adjusting block, and the adjusting block is fixedly connected with the sliding frame.

Preferably, the holder includes the holder main part, the upper surface of holder main part passes through coupling assembling and is connected with the support frame, the centre gripping chamber has been seted up in the holder main part, the centre gripping intracavity is equipped with the grip block, the centre gripping groove has been seted up in the grip block, the symmetry is rotated around the last lateral wall of grip block and is connected with the rotation screw rod that runs through the holder main part.

Preferably, the connecting assembly comprises an assembling clamping block, the assembling clamping block is fixedly connected with the holder main body through a countersunk head bolt, and the assembling clamping block is inserted into the assembling clamping groove.

Preferably, the impact head attachment frame comprises an impact head attachment frame main body, the impact head attachment frame main body is fixedly mounted on the upper surface of the workbench main body through a fixing bolt, and an impact head assembling clamping groove is formed in the impact head attachment frame main body.

Preferably, the number of the impact head assembling clamping grooves is matched with that of the clamping grooves, and the number of the impact head assembling clamping grooves and the number of the clamping grooves are at least three.

Compared with the prior art, the invention has the beneficial effects that: automatic bull rubber materials low temperature brittleness temperature test machine, be provided with the holder, through set up three centre gripping groove in the holder, can once carry out the centre gripping to three sample, set up simultaneously and attach the fixed three head of strikeing of frame through strikeing the head, make three impact head can cool down the operation to three sample of centre gripping, once test three sample, reduce the error of test, the holder assembles through coupling assembling and support frame, the convenience is dismantled the holder, the change that makes the holder is simpler, convenient.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the present invention.

Figure 3 is a side view of the holder of the present invention.

Figure 4 is a front view of the holder of the present invention.

Fig. 5 is a side view of the impact head attachment of the present invention.

In the figure: 1. the working table comprises a working table main body, 2, a supporting frame, 21, a fixing frame, 22, a sliding rail, 23, a sliding frame, 24, a fixing plate, 25, an assembling clamping groove, 3, an adjusting mechanism, 31, a motor, 32, an adjusting screw rod, 33, an adjusting block, 4, a clamp, 41, a clamp main body, 42, a clamping cavity, 43, a clamping block, 44, a clamping groove, 45, a rotating screw rod, 5, a test groove, 6, an impact head attaching frame, 61, an impact head attaching frame main body, 62, a fixing bolt, 63, an impact head assembling clamping groove, 7, an impact head, 8, a connecting assembly, 81, an assembling clamping block, 82 and a countersunk head bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a technical solution: an automatic multi-head low-temperature brittle temperature testing machine for rubber materials comprises a workbench main body 1, wherein the workbench main body 1 is an existing low-temperature brittle temperature testing machine for rubber materials, the automatic multi-head low-temperature brittle temperature testing machine is provided with a control system and a cooling system which are the same as the existing low-temperature brittle temperature testing machine for rubber materials, a support frame 2 is assembled on the upper surface of the workbench main body 1, a clamp holder 4 is assembled in the support frame 2, the support frame 2 comprises a fixed frame 21 fixedly installed on the upper surface of the workbench main body 1, a slide rail 22 is arranged on the side wall of the fixed frame 21, a sliding frame 23 is connected in the slide rail 22 in a sliding mode, a fixed plate 24 is assembled on the side wall of the sliding frame 23, thereby adjusting the height of the fixing plate 24 and the clamper 4, and the clamper 4 can be assembled and disassembled through the assembling clamping groove 25.

Be equipped with adjustment mechanism 3 between support frame 2 and the workstation main part 1, adjustment mechanism 3 includes motor 31 of fixed mounting in workstation main part 1, motor 31's output fixedly connected with adjusting screw 32, adjusting screw 32's lateral wall spiro union has regulating block 33, regulating block 33 and carriage 23 fixed connection, motor 31 is pulse step motor, motor 31 electricity is connected with outside pulse step motor controller, control through outside pulse step motor controller and supply power to motor 31, corotation and the reversal through taking place pulse signal control motor to motor 31 simultaneously, thereby make regulating block 33 drive carriage 23 reciprocate.

The holder 4 comprises a holder body 41, the upper surface of the holder body 41 is connected with the support frame 2 through a connecting assembly 8, the connecting assembly 8 comprises an assembling fixture block 81, the assembling fixture block 81 is fixedly connected with the holder body 41 through a countersunk bolt 82, specifically, the holder 4 is assembled with the fixing plate 24 by clamping the assembling fixture block 81 into the assembling slot 25, the holder 4 is convenient to disassemble and replace, the test efficiency is improved, a holding cavity 42 is formed in the holder body 41, a holding block 43 is assembled in the holding cavity 42, a holding slot 44 is formed in the holding block 43, a rotating screw 45 penetrating through the holder body 41 is symmetrically and rotatably connected to the front and back of the upper side wall of the holding block 43, as shown in fig. 4, the holding block 43 and the holding cavity 42 are in a matched trapezoidal shape, the holding block 43 is made of low temperature resistant rubber, the holding block 43 can move in the holding cavity 42 by screwing the rotating screw 45, thereby causing the holding groove 44 to hold the sample.

The upper surface of the workbench main body 1 is provided with a test groove 5, the test groove 5 is a cold well in nature, a freezing medium is injected into the test groove 5 in the test process, when the temperature required to be tested is reached in the test groove 5, a sample descends to carry out cooling operation, the freezing time is 5 minutes, the upper surface of the workbench main body 1 is assembled with an impact head 7 through an impact head attachment frame 6, the impact head attachment frame 6 comprises an impact head attachment frame main body 61, the impact head attachment frame main body 61 is fixedly arranged on the upper surface of the workbench main body 1 through a fixing bolt 62, an impact head assembly clamping groove 63 is formed in the impact head attachment frame main body 61, the number of the impact head assembly clamping grooves 63 is matched with that of the clamping grooves 44, at least three impact head assembly clamping grooves 63 and at least three clamping grooves 44 are formed, the impact head 7 is connected with a driving mechanism, and the driving mechanism is a telescopic motor for driving the impact head 7, the telescopic motor is connected with an external controller, power supply and control are performed through the external controller, after the sample is cooled, the fixing plate 24 drives the holder 4 to rise through the adjusting mechanism 3, then the impact head 7 is driven through the driving mechanism to impact the sample, the sample is bent by 180 degrees according to the impact direction, and the sample is observed to be damaged or not.

The working principle is as follows: when using, in entering into holder 4 with the sample assembly that three needs were tested, it presss from both sides tightly the sample to twist the rotation screw rod 45 that revolves holder 4 and make grip block 43 after the downstream, the sample keeps perpendicularly, then let in freezing medium to test 5 in the groove, make the temperature in the test 5 reach required test temperature, it freezes to drive holder 4 through adjustment mechanism 3 and enter into test 5 in the groove downwards, the refrigerated time is 5 minutes, adjustment mechanism 3 drives holder 4 rebound after freezing the completion, actuating mechanism drives impact head 7 and strikes the sample, make the sample according to impact direction crooked 180, it has or not destruction to observe the sample, can once test three groups of samples through this device, improve experimental efficiency, reduce the error because of the experimental data that obtains the repetition test.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Automatic bull rubber materials low temperature brittleness temperature test machine, including workstation main part (1), its characterized in that: the upper surface of workstation main part (1) is equipped with support frame (2), be equipped with adjustment mechanism (3) between support frame (2) and workstation main part (1), be equipped with holder (4) in support frame (2), test slot (5) have been seted up to the upper surface of workstation main part (1), the upper surface of workstation main part (1) attaches frame (6) through the head of strikeing and is equipped with impact head (7).

2. The automatic multi-head rubber material low-temperature brittleness temperature testing machine according to claim 1, which is characterized in that: support frame (2) are including fixed mounting mount (21) of fixed mounting in workstation main part (1) upper surface, the lateral wall of mount (21) is equipped with slide rail (22), sliding connection has carriage (23) in slide rail (22), the lateral wall of carriage (23) is equipped with fixed plate (24), assembly draw-in groove (25) have been seted up to the lateral wall of fixed plate (24).

3. The automatic multi-head rubber material low-temperature brittleness temperature testing machine according to claim 1, which is characterized in that: adjustment mechanism (3) are including motor (31) of fixed mounting in workstation main part (1), the output fixedly connected with adjusting screw (32) of motor (31), the lateral wall spiro union of adjusting screw (32) has regulating block (33), regulating block (33) and carriage (23) fixed connection.

4. The automatic multi-head rubber material low-temperature brittleness temperature testing machine according to claim 1, which is characterized in that: the utility model discloses a clamp holder, including holder (4) holder main part (41), the upper surface of holder main part (41) passes through coupling assembling (8) and is connected with support frame (2), centre gripping chamber (42) have been seted up in holder main part (41), be equipped with clamping block (43) in clamping chamber (42), clamping groove (44) have been seted up in clamping block (43), symmetrical rotation is connected with rotation screw rod (45) that run through holder main part (41) around the last lateral wall of clamping block (43).

5. The automatic multi-head rubber material low-temperature brittleness temperature testing machine according to claim 4, which is characterized in that: the connecting assembly (8) comprises an assembling clamping block (81), the assembling clamping block (81) is fixedly connected with the holder main body (41) through a countersunk head bolt (82), and the assembling clamping block (81) is inserted into the assembling clamping groove (25).

6. The automatic multi-head rubber material low-temperature brittleness temperature testing machine according to claim 1, which is characterized in that: the impact head attachment frame (6) comprises an impact head attachment frame main body (61), the impact head attachment frame main body (61) is fixedly installed on the upper surface of the workbench main body (1) through a fixing bolt (62), and an impact head assembling clamping groove (63) is formed in the impact head attachment frame main body (61).

7. The automatic multi-head rubber material low-temperature brittleness temperature testing machine according to claim 4 or 6, which is characterized in that: the number of the impact head assembling clamping grooves (63) is matched with that of the clamping grooves (44), and the number of the impact head assembling clamping grooves (63) is at least three than that of the clamping grooves (44).