Hardness testing device for glass tube production

Abstract

The utility model relates to the technical field of hardness testing of glass tubes, and discloses a hardness testing device for glass tube production, which comprises a base, a bracket is fixedly mounted on one side of the top of the base, the bracket is L-shaped, a screw hole is formed in one side of the top of the bracket, a screw rod is mounted in the screw hole in a threaded manner, and the screw rod is fixed on the base. The top of the screw is rotatably provided with an abutting plate, and the port of the other end of the top of the support is provided with a testing mechanism. An operator measures the thickness of the inner wall of the glass tube to rotate the screw in the screw hole and adjust the height of the abutting plate at the top of the screw, so that the distance between the top of the piston rod and the bottom of the abutting plate reaches a test value, the piston rod in the piston cylinder is slowly pushed, the top of the piston rod is tightly attached to the bottom of the abutting plate, and the piston rod is loosened. The piston rod can push the diamond pressing head at the bottom of the piston rod to impact the outer wall of the glass tube due to the supporting force of the spring, so that hardness testing can be quickly and efficiently performed on multiple groups of glass tubes.

Description

TECHNICAL FIELD

[0001] The utility model relates to glass tube hardness test technical field, specifically be used in hardness testing device of glass tube production. BACKGROUND

[0002] At present, glass tube as a kind of special material has multiple purposes: chemical industry field: because of its corrosion resistance, high temperature resistance characteristics, can be used for chemical pipeline, transmission various chemical reagent;Medical field: for collecting blood samples or other body fluid samples, also can be used as specimen container under microscope;Laboratory application: often used for drop, stirring chemical reagent, also can be used as tubular gel electrophoresis in electrophoresis experiment;Industrial application: in solar energy, electric light source etc. industry, because of its high light transmittance and high chemical stability and is widely used;Daily life: can be used to make lamps, telescope lenses etc., meet daily life demand, in a word, glass tube because of its unique performance, in chemical industry, medical treatment, laboratory, industry and daily life etc. multiple fields are widely used.

[0003] Among them, in the production line of glass processing, in order to ensure that glass tube hardness is qualified, glass tube needs to be tested.

[0004] The conventional hardness test on the market is to push the diamond indenter under a certain pressure by hydraulic push rod and measure the indentation on the side wall of glass tube, but such operation mode is complicated, needs to consume a lot of time for measurement and detection, greatly reduces detection efficiency, therefore, new technical scheme needs to be designed to solve, can be through impact mechanism, high-efficiency and fast detection glass tube hardness. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of hardness testing device for glass tube production, solve the problem raised in background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of hardness testing device for glass tube production, including pedestal, the pedestal top one side fixed installation has support, the support is L type support, the support top one side is equipped with screw hole, the screw hole is screw mounted with screw rod, the screw rod top is rotatably installed with the plate, the support top other end port is installed with test mechanism;

[0007] The test mechanism includes the piston cylinder installed in the other end port of the support top, the piston rod movably installed in the piston cylinder, the spring is sleeved in the piston rod top and the diamond indenter is detachably installed in the piston rod bottom.

[0008] As an optional solution of the technical scheme of the application, the spring is fixedly installed with the piston cylinder and the piston rod outer wall respectively, and the piston rod top end corresponds to the plate.

[0009] As an optional solution of the technical scheme of the application, one end of the top of the support is fixedly provided with a sliding channel, and a sliding groove is formed in one side of the sliding channel, and the sliding groove is slidably connected with one end of the abutting plate, so that the abutting plate can be limited.

[0010] As an optional solution of the technical scheme of the application, the other side of the top of the base is fixedly provided with an adjusting cylinder, the top of the adjusting cylinder is movably provided with an adjusting rod, the top of the adjusting rod is fixedly provided with a placing table, and a pipe groove is formed in the top of the placing table, so that the glass tube can be positioned.

[0011] As an optional solution of the technical scheme of the application, a negative pressure hole is formed in one side of the bottom of the placing table, the negative pressure hole is in communication with the pipe groove, a negative pressure pipe is connected and installed at the bottom end of the negative pressure pipe, the other end of the negative pressure pipe is connected and installed in communication with the negative pressure end of a negative pressure pump, and the negative pressure pump is fixedly installed at the top of the base, so that negative pressure can be delivered into the pipe groove.

[0012] As an optional solution of the technical scheme of the application, a positioning bolt is threadedly installed at one side of the adjusting cylinder, and the positioning bolt corresponds to the side wall of the adjusting rod, so that the adjusting rod can be positioned.

[0013] Compared with the prior art, the application has the following beneficial effects:

[0014] 1. The technical scheme of the application measures the thickness of the inner wall of the glass tube by rotating the screw rod in the screw hole, adjusts the height of the abutting plate at the top of the screw rod, makes the distance between the top of the piston rod and the bottom of the abutting plate reach the test value, slowly pushes the piston rod in the piston cylinder, ensures that the top of the piston rod is tightly attached to the bottom of the abutting plate, loosens the piston rod, and the piston rod will push the diamond pressure head at the bottom of the piston rod to impact the outer wall of the glass tube due to the supporting force of the spring, so that multiple groups of glass tubes can be quickly and efficiently tested for hardness.

[0015] 2. The bottom of the placing table is provided with a negative pressure hole, and the negative pressure hole is connected and installed in communication with the negative pressure end of the negative pressure pump through the negative pressure pipe. When the operator places the glass tube to be tested on the top of the placing table, the glass tube will fit into the pipe groove on the top of the placing table, and the negative pressure pump installed at the top of the base can be driven to deliver negative pressure to the negative pressure hole at the bottom of the placing table, so that the glass tube is firmly adsorbed on the placing table, and the glass tube is prevented from shaking during the test, so as to avoid the deviation of the glass tube. BRIEF DESCRIPTION OF DRAWINGS

[0016] Other features, objects and advantages of the application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0017] Fig. 1The utility model provides a kind of overall structure schematic diagram of hardness testing device for glass tube production.

[0018] Fig. 2 The utility model provides a kind of support structure schematic diagram of hardness testing device for glass tube production.

[0019] In the drawing: 1, base; 11, support; 12, screw hole; 13, screw rod; 14, stop plate; 15, slide; 2, piston cylinder; 21, piston rod; 22, spring; 23, diamond indenter; 3, adjusting cylinder; 31, adjusting rod; 32, placing table; 33, negative pressure hole; 34, negative pressure pump; 35, positioning bolt. DETAILED DESCRIPTION

[0020] Please refer to Figs. 1-2 The utility model provides a kind of technical scheme: a kind of hardness testing device for glass tube production, including base 1, base 1 top one side fixed installation has support 11, support 11 is L type support 11, support 11 top one side is equipped with screw hole 12, screw hole 12 is screw thread installation has screw rod 13, screw rod 13 top rotationally installed stop plate 14, support 11 top other end port place installs testing mechanism;

[0021] Testing mechanism includes the piston cylinder 2 of installation at the other end port of support 11 top, the piston rod 21 of active installation in piston cylinder 2, the spring 22 of sleeve joint in the top of piston rod 21 and the diamond indenter 23 of detachable installation in the bottom of piston rod 21, spring 22 two sides are fixedly installed with the outer wall of piston cylinder 2, piston rod 21, piston rod 21 top end and stop plate 14 correspond to each other.

[0022] In this technical scheme, the thickness of the inner wall of the glass tube is measured by the operator, the screw rod 13 in the screw hole 12 is rotated, the height of the stop plate 14 on the top of the screw rod 13 is adjusted, the distance between the top of the piston rod 21 and the bottom of the stop plate 14 reaches the test value, the piston rod 21 in the piston cylinder 2 is slowly pushed, and the top of the piston rod 21 is tightly attached to the bottom of the stop plate 14, the piston rod 21 is loosened, the piston rod 21 will be pushed by the supporting force of the spring 22, and the diamond indenter 23 at the bottom of the piston rod 21 will impact the outer wall of the glass tube, so that multiple groups of glass tubes can be quickly and efficiently tested for hardness.

[0023] In some technical solutions, the bottom of the placing table 32 is provided with a negative pressure hole 33, the negative pressure hole 33 is in communication with the pipe groove, a negative pressure pipe is connected and installed at the bottom end of the negative pressure pipe, the other end of the negative pressure pipe is connected and installed with the negative pressure end of the negative pressure pump 34, and the negative pressure pump 34 is fixedly installed on the top of the base 1, so that negative pressure can be delivered in the pipe groove.

[0024] In the technical scheme, when the operator places the glass tube to be tested on the top of the placing table 32, the glass tube is fitted into the tube groove on the top of the placing table 32, and the negative pressure pump 34 installed on the top of the driving base 1 can deliver negative pressure to the negative pressure hole 33 on the bottom of the placing table 32 to firmly adsorb the glass tube on the placing table 32, so that the glass tube does not shake during the testing process and deviates.

[0025] In some technical schemes, the adjusting cylinder 3 is fixedly installed on the other side of the top of the base 1, the adjusting rod 31 is movably installed on the top of the adjusting cylinder 3, the placing table 32 is fixedly installed on the top of the adjusting rod 31, the tube groove is formed on the top of the placing table 32, the glass tube can be positioned, the positioning bolt 35 is threadedly installed on one side of the adjusting cylinder 3, and the positioning bolt 35 corresponds to the side wall of the adjusting rod 31, so that the adjusting rod 31 can be positioned.

[0026] In the technical scheme, the glass tube to be tested is placed on the top of the placing table 32, the positioning bolt 35 is screwed, the height of the adjusting rod 31 in the adjusting cylinder 3 is adjusted, the glass tube on the top of the placing table 32 is matched with the bottom of the diamond indenter 23, the placing table 32 is fixed by screwing the positioning bolt 35, and the hardness of the glass tube can be tested by driving the testing mechanism.

[0027] In some technical schemes, the slide 15 is fixedly installed on one end of the top of the support 11, the slide groove is formed on one side of the slide 15, and the slide groove is slidably installed on one end of the abutting plate 14, so that the abutting plate 14 can be limited.

[0028] In the technical scheme, when the operator rotates the screw rod 13 in the threaded hole 12 to adjust the height of the abutting plate 14 on the top of the screw rod 13, the abutting plate 14 is limited in the slide groove in the limiting slide 15, and the abutting plate 14 is vertically moved up and down.

[0029] In the use of the hardness testing device for glass tube production, it should be noted that the utility model is a hardness testing device for glass tube production, each component is a general standard component or a component known to those skilled in the art, and the structure and principle thereof are known to those skilled in the art through technical manuals or through conventional experimental methods.

[0030] In use, first by the need to test the glass tube placed on the top of the placement platform 32, and twist the positioning bolt 35, adjust the rod 31 inside the adjustment cylinder 3 height adjustment, to ensure that the glass tube on the top of the placement platform 32 and the bottom of the diamond indenter 23 mutual adhesion, in the twist positioning bolt 35 will be placed on the platform 32 fixed, while the operator measures the thickness of the glass tube inner wall, to rotate the screw hole 12 screw 13, the height of the plate 14 on the top of the screw rod 13 adjustment, so that the piston rod 21 top and the bottom of the plate 14 distance to achieve test value, in the piston cylinder 2 in the piston rod 21, and ensure that the piston rod 21 top tightly adhesion in the bottom of the plate 14, loosen the piston rod 21, the piston rod 21 will be because of the supporting force of the spring 22, will push the diamond indenter 23 at the bottom of the piston rod 21 impact glass tube outer wall, so that the hardness test of multiple groups of glass tube can be quickly and efficiently, at the same time through the placement platform 32 bottom side opening has a negative pressure hole 33, and the negative pressure hole 33 through the negative pressure pipe and negative pressure pump 34 negative pressure end communication installation, when the operator will need to test the glass tube placed on the top of the placement platform 32, glass tube will fit in the pipe groove on the top of the placement platform 32, at the same time in the drive base 1 top installed negative pressure pump 34, can be placed on the bottom of the placement platform 32 negative pressure hole 33 delivery negative pressure, glass tube firmly adsorbed in the placement platform 32, to avoid glass tube in the process of being tested from shaking, thereby causing glass tube offset.

Claims

1. A hardness testing device for glass tube production, comprising a base (1), characterized in that: The base (1) top one side is fixedly installed with a support (11), the support (11) is an L-shaped support (11), the support (11) top one side is provided with a threaded hole (12), the threaded hole (12) is screwedly provided with a screw rod (13), the screw rod (13) top is rotatably installed with a resisting plate (14), the support (11) top the other end port is installed with a test mechanism; The test mechanism includes a piston cylinder (2) installed at the other end of the support (11), a piston rod (21) movably installed in the piston cylinder (2), a spring (22) sleeved on the top of the piston rod (21), and a diamond pressure head (23) detachably installed at the bottom of the piston rod (21).

2. The hardness testing device for glass tube production according to claim 1, characterized in that: The spring (22) is fixedly installed on the outer wall of the piston cylinder (2) and the piston rod (21) on both sides, and the top end of the piston rod (21) corresponds to the resisting plate (14).

3. The hardness testing device for glass tubing production according to claim 1, characterized in that: The support (11) top one end is fixedly installed with a slide (15), one side of the slide (15) is provided with a sliding groove, and one end of the sliding groove is slidably installed with the resisting plate (14).

4. The hardness testing device for glass tubing production according to claim 1, characterized in that: The base (1) top the other side is fixedly installed with an adjusting cylinder (3), the adjusting cylinder (3) top is movably installed with an adjusting rod (31), the adjusting rod (31) top is fixedly installed with a placing table (32), and the placing table (32) top is provided with a pipe groove.

5. The hardness testing device for glass tubing production according to claim 4, characterized in that: The bottom side of the placing table (32) is provided with a negative pressure hole (33), the negative pressure hole (33) and the pipe groove are in communication, the bottom end of the negative pressure hole is communicatedly installed with a negative pressure pipe, the other end of the negative pressure pipe is communicatedly installed with a negative pressure pump (34) negative pressure end, and the negative pressure pump (34) is fixedly installed on the top of the base (1).

6. The hardness testing device for glass tubing production as claimed in claim 4, wherein: The adjusting cylinder (3) one side is screwedly installed with a positioning bolt (35), and the positioning bolt (35) corresponds to the side wall of the adjusting rod (31).

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