Syringe cap tooling for gas chromatography detection

Abstract

The present invention relates to a tool for putting a rubber cap on a syringe for gas chromatography detection, comprising a clamping mechanism, a lifting mechanism and a limiter. The clamping mechanism is used to clamp the rubber cap; the lifting mechanism is connected to the clamping mechanism and is used to drive the clamping mechanism to lift; after the lifting mechanism drives the clamping mechanism to rise, the rubber cap on the clamping mechanism can be pressed against the limiter. During operation, the clamping mechanism clamps the rubber cap, and the lifting mechanism drives the clamping mechanism to rise to a specific position so that the rubber cap is pressed against the limiter, so as to facilitate the rubber cap to be put on the syringe for gas chromatography detection. After the previous action of putting on the rubber cap is completed, the lifting mechanism drives the clamping mechanism to descend to clamp the rubber cap; the lifting mechanism drives the clamping mechanism to rise to a specific position to repeat the above-mentioned action of putting on the rubber cap. The tool for putting on the rubber cap of a syringe for gas chromatography detection of the present invention replaces manual putting on of the rubber cap, improves the working efficiency of putting on the rubber cap, and reduces the harm of harmful gases in the gas chromatograph to human health.

Description

Technical Field

[0001] The invention relates to the technical field of rubber cap tooling, in particular to a syringe rubber cap tooling for gas chromatography detection. Background Art

[0002] In gas chromatography analysis, syringe injection is one of the injection methods for analyzing gas samples, which has the advantage of being able to quickly select the injection volume. After gas injection, in order to prevent the gas in the syringe from leaking out, a rubber cap is provided on the needle cover of the syringe, and the needle hole of the syringe is sealed by the rubber cap. Usually, the syringe of the gas chromatograph is manually capped with a rubber cap, but the efficiency of manual rubber capping is low. At the same time, since some of the gases analyzed in the gas chromatograph are toxic to a certain extent, during the process of manually putting on the rubber cap, the toxic gas in the syringe is emitted, which will endanger the health of the operator. Summary of the invention

[0003] Based on this, it is necessary to provide a syringe rubber cap tooling for gas chromatography detection to improve the working efficiency of the rubber cap and reduce the harm of harmful gases to human health.

[0004] A syringe cover rubber cap tooling for gas chromatography detection, comprising:

[0005] A clamping mechanism, the clamping mechanism is used to clamp the rubber cap;

[0006] A lifting mechanism, the lifting mechanism is connected to the clamping mechanism and is used to drive the clamping mechanism to rise or fall;

[0007] A limiting member, on which the rubber cap on the clamping mechanism can be pressed.

[0008] The above-mentioned syringe cover rubber cap tooling for gas chromatography detection has at least the following advantages:

[0009] The above scheme provides a tool for putting a rubber cap on a syringe for gas chromatography detection. Through the cooperation of a clamping mechanism, a lifting mechanism and a limiter, the rubber cap is put on the syringe of the gas chromatography to replace manual rubber cap putting, improve the working efficiency of putting on the rubber cap, and reduce the harm of harmful gases in the gas chromatography to human health. Specifically, during operation, the clamping mechanism clamps the rubber cap; after the clamping mechanism clamps the rubber cap, the lifting mechanism drives the clamping mechanism to rise to a specific position, and the rubber cap on the clamping mechanism presses against the limiter. At this time, the robot carries the syringe of the gas chromatography and moves upward to the bottom of the rubber cap. Since the caliber of the rubber cap is slightly smaller than the size of the syringe needle, the rubber cap presses against the limiter during the process of putting on the rubber cap, which makes it easy to put the rubber cap on the syringe of the color gas spectrum. After the previous action of putting on the rubber cap is completed, the lifting mechanism drives the clamping mechanism to descend to clamp the rubber cap at the feed port; the lifting mechanism drives the clamping mechanism to rise to a specific position to repeat the above-mentioned action of putting on the rubber cap until all the syringes of the gas chromatography are covered with rubber caps.

[0010] The technical solution is further described below:

[0011] In one of the embodiments, the clamping mechanism includes pneumatic fingers and a clamp, the clamp is arranged on the pneumatic fingers, and the pneumatic fingers are used to drive the clamp to clamp or release the rubber cap.

[0012] In one embodiment, the clamp includes a first clamping hand and a second clamping hand, the first clamping hand is provided with a first clamping groove, and the inner wall of the first clamping groove is provided with a first inclined surface and a second inclined surface arranged opposite to each other; the second clamping hand is provided with a second clamping groove, and the inner wall of the second clamping groove is provided with a third inclined surface and a fourth inclined surface arranged opposite to each other.

[0013] In one embodiment, a first peak is formed between the first inclined surface and the side surface of the first clamping hand end, a first peak is formed between the second inclined surface and the other side surface of the first clamping hand end; a second peak is formed between the third inclined surface and the side surface of the second clamping hand end, and a second peak is formed between the fourth inclined surface and the other side surface of the second clamping hand end.

[0014] In one of the embodiments, the syringe cover rubber cap tooling for gas chromatography detection also includes a rotating mechanism, and the rotating mechanism is connected to the clamping mechanism to drive the clamping mechanism to rotate.

[0015] In one embodiment, the rotating mechanism comprises a rotating cylinder, and the rotating cylinder is connected to the clamping mechanism.

[0016] In one of the embodiments, the syringe cover rubber cap tooling for gas chromatography detection also includes a first connecting plate, which is arranged between the clamping mechanism and the rotating mechanism, and the clamping mechanism and the rotating mechanism are respectively connected to the first connecting plate.

[0017] In one embodiment, the lifting mechanism includes a driving assembly, which is connected to the clamping mechanism and is used to drive the clamping mechanism to rise or fall.

[0018] In one of the embodiments, the lifting mechanism further includes a guide rail and a second connecting plate, the second connecting plate is slidably disposed on the guide rail, the clamping mechanism is disposed on the second connecting plate, and the second connecting plate is connected to the driving assembly.

[0019] In one of the embodiments, the lifting mechanism further includes a third connecting plate, wherein the third connecting plate is disposed between the driving assembly and the guide rail, and the third connecting plate is respectively connected to the driving assembly and the second connecting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of a syringe cover rubber cap tooling for gas chromatography detection according to an embodiment of the present invention;

[0021] Figure 2 It is a front view of a syringe cover rubber cap tooling for gas chromatography detection according to an embodiment of the present invention;

[0022] Figure 3 It is a structural schematic diagram of a clamping mechanism in a syringe cover rubber cap tooling for gas chromatography detection according to an embodiment of the present invention;

[0023] Figure 4 The present invention is a schematic diagram of the structure of a fixture in a syringe cover rubber cap tooling for gas chromatography detection according to an embodiment of the present invention.

[0024] Description of reference numerals:

[0025] 10. Clamping mechanism, 11. Pneumatic fingers, 12. Clamp, 121. First gripper, 122. First inclined plane, 123. Second inclined plane, 124. First pinnacle, 125. Second gripper, 126. Third inclined plane, 127. Fourth inclined plane, 128. Second pinnacle, 13. First connecting block, 14. Second connecting block, 15. First connecting plate, 20. Lifting mechanism, 21. Driving assembly, 22. Guide rail, 23. Slider, 24. Third connecting plate, 25. Fourth connecting plate, 26. Right-angle bracket, 30. Limiting member, 40. Rotating mechanism, 41. Rotating cylinder, 42. Second connecting plate, 50. Fixed plate, 60. First profile, 70. Second profile, 80. Rubber cap. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific implementation disclosed below.

[0027] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art to which the present invention belongs. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The various technical features of the above-described embodiments can be combined arbitrarily. In order to make the description concise, all possible combinations of the various technical features in the above-described embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0029] See also Figure 1 and Figure 2 The syringe cover rubber cap tooling for gas chromatography detection in one embodiment includes a clamping mechanism 10, a lifting mechanism 20 and a stopper 30. The clamping mechanism 10 is used to clamp the rubber cap 80; the lifting mechanism 20 is connected to the clamping mechanism 10, and the lifting mechanism 20 is used to drive the clamping mechanism 10 to rise or fall; after the lifting mechanism 20 drives the clamping mechanism 10 to rise, the rubber cap 80 on the clamping mechanism 10 can be pressed against the stopper 30.

[0030] The above-mentioned syringe rubber cap tooling for gas chromatography detection, through the cooperation of the clamping mechanism 10, the lifting mechanism 20 and the limiter 30, sets the rubber cap 80 on the syringe of the gas chromatography, so as to replace the manual rubber cap 80, improve the working efficiency of the rubber cap 80, and reduce the harm of harmful gases in the gas chromatograph to human health. Specifically, when the syringe rubber cap tooling for gas chromatography detection is working, the clamping mechanism 10 clamps the rubber cap 80; after the clamping mechanism 10 clamps the rubber cap 80, the lifting mechanism 20 drives the clamping mechanism 10 to rise to a specific position (the specific position refers to the bottom of the limiter 30, and the distance between the clamping mechanism 10 and the limiter 30 is 1mm to 3mm), and the rubber cap 80 on the clamping mechanism 10 abuts against the limiter 30. At this time, the robot carries the syringe of the gas chromatograph and moves upward to the bottom of the rubber cap 80. Since the caliber of the rubber cap 80 is slightly smaller than the size of the syringe needle, during the process of putting on the rubber cap 80, the rubber cap 80 on the clamping mechanism 10 is pressed against the limiter 30, which makes it easier to put the rubber cap 80 on the syringe of the chromatographic gas spectrum. After the action of putting on the rubber cap 80 is completed, the lifting mechanism 20 drives the clamping mechanism 10 to descend to clamp the rubber cap 80 at the feed port; the lifting mechanism 20 drives the clamping mechanism 10 to rise to a specific position to repeat the above-mentioned action of putting on the rubber cap 80 until all the syringes of the gas chromatograph are covered with rubber caps 80.

[0031] Furthermore, the above-mentioned limiting member 30 is a limiting plate, a limiting block, etc., which is not specifically limited here, as long as the rubber cap 80 on the clamping mechanism 10 can be pressed against the limiting member 30. Specifically, a first profile 60 is provided on one side of the clamping mechanism 10, the limiting member 30 is arranged on the first profile 60, and the clamping mechanism 10 is located below the limiting member 30. After the clamping mechanism 10 clamps the rubber cap 80, the lifting mechanism 20 drives the clamping mechanism 10 to rise to a specific position, and the robot moves the injector of the gas chromatograph to the bottom of the rubber cap 80. In the process of putting on the rubber cap 80, the rubber cap 80 on the clamping mechanism 10 abuts against the limiting member 30, so that the rubber cap 80 can be put on the injector of the gas chromatograph.

[0032] See also Figure 3 and Figure 4The clamping mechanism 10 includes a pneumatic finger 11 and a clamp 12. The clamp 12 is arranged on the pneumatic finger 11. The pneumatic finger 11 is used to drive the clamp 12 to clamp or loosen the rubber cap 80. Specifically, the pneumatic finger 11 drives the clamp 12 to clamp the rubber cap 80 at the discharge port, and the lifting mechanism 20 drives the clamp 12 to rise to a specific position, so that the distance between the clamp 12 and the limiter 30 is 1mm to 3mm. The robot carries the syringe of the gas chromatograph and moves upward to the bottom of the rubber cap 80 to cover the rubber cap 80 on the syringe of the gas chromatograph. After the rubber cap 80 is covered on the syringe of the gas chromatograph, the pneumatic finger 11 drives the clamp 12 to loosen the rubber cap 80. Driven by the lifting mechanism 20, the clamping mechanism 10 descends to the discharge port and clamps the rubber cap 80 at the discharge port, and repeats the above-mentioned action of covering the rubber cap 80.

[0033] In one embodiment, the clamp 12 includes a first gripper 121 and a second gripper 125, which are respectively disposed on the jaws of the pneumatic finger 11, and the pneumatic finger 11 can drive the first gripper 121 and the second gripper 125 to move closer to each other to clamp the rubber cap 80. In addition, the pneumatic finger 11 can also drive the first gripper 121 and the second gripper 125 to move away from each other to release the rubber cap 80.

[0034] See also Figure 3 and Figure 4 The first clamping hand 121 is provided with a first clamping groove, and the inner wall of the first clamping groove is provided with a first inclined surface 122 and a second inclined surface 123, which are arranged opposite to each other to form a V-shaped first clamping groove; the second clamping hand 125 is provided with a second clamping groove, and the second clamping groove is provided with a third inclined surface 126 and a fourth inclined surface 127, which are arranged opposite to each other to form a V-shaped second clamping groove. By providing the first inclined surface 122 and the second inclined surface 123 on the first clamping groove, and providing the third inclined surface 126 and the fourth inclined surface 127 on the second clamping groove, it is convenient to accurately position and clamp the rubber cap 80.

[0035] Specifically, the first inclined surface 122 and the second inclined surface 123 are located at one end of the first gripper 121 close to the second gripper 125, and the first inclined surface 122 and the second inclined surface 123 are inclined from the end of the first gripper 121 to the middle part. A first peak 124 is formed between the first inclined surface 122 and the adjacent side surface of the end of the first gripper 121, and a first peak 124 is formed between the second inclined surface 123 and the other adjacent side surface of the end of the first gripper 121. The third inclined surface 126 and the fourth inclined surface 127 are arranged at one end of the second gripper 125 close to the first gripper 121, and the third inclined surface 126 and the fourth inclined surface 127 are inclined from the end of the second gripper 125 to the middle part. A second peak 128 is formed between the third inclined surface 126 and the adjacent side surface of the end of the second gripper 125, and a second peak 128 is formed between the fourth inclined surface 127 and the other adjacent side surface of the end of the second gripper 125. Since the first gripper 121 and the second gripper 125 have the first peak 124 and the second peak 128 formed at their ends respectively, the first gripper 121 and the second gripper 125 can achieve the purpose of automatically dividing the materials and only gripping one rubber cap 80 each time.

[0036] See also Figure 4 , the angle θ between the first inclined surface 122 and the adjacent side surface of the end of the first gripper 121 is in the range of 15° to 75°, the angle θ between the second inclined surface 123 and the other adjacent side surface of the end of the first gripper 121 is in the range of 15° to 75°; the angle θ between the third inclined surface 126 and the adjacent side surface of the end of the second gripper 125 is in the range of 15° to 75°, and the angle θ between the fourth inclined surface 127 and the other adjacent side surface of the end of the second gripper 125 is in the range of 15° to 75°, so as to facilitate accurate positioning and clamping of the rubber cap 80. In this embodiment, the inclination angle θ of the first inclined surface 122 and the second inclined surface 123 is 30°, and the inclination angle θ of the third inclined surface 126 and the fourth inclined surface 127 is 30°.

[0037] Furthermore, an anti-skid structure is provided on the first inclined surface 122 and the second inclined surface 123 of the first clamping groove, and an anti-skid structure is also provided on the third inclined surface 126 and the fourth inclined surface 127 of the second clamping groove, so as to prevent the rubber cap 80 from sliding in the first clamping groove and the second clamping groove, so as to stably clamp the rubber cap 80. The above-mentioned anti-skid structure is an anti-skid rubber pad, which is provided on the first inclined surface 122 and the second inclined surface 123 of the first clamping groove, and the third inclined surface 126 and the fourth inclined surface 127 of the second clamping groove. Alternatively, the anti-skid structure is an anti-skid pattern, which is provided on the first inclined surface 122 and the second inclined surface 123 of the first clamping groove, and the third inclined surface 126 and the fourth inclined surface 127 of the second clamping groove.

[0038] See also Figure 3The clamping mechanism 10 further includes a first connection block 13 and a second connection block 14, which are respectively arranged on the two clamping jaws of the pneumatic finger 11. One end of the first connection block 13 is connected to one of the clamping jaws of the pneumatic finger 11, and the other end of the first connection block 13 is connected to the first clamping hand 121; one end of the second connection block 14 is connected to the other clamping jaw of the pneumatic finger 11, and the other end of the second connection block 14 is connected to the second clamping hand 125. The first clamping hand 121 and the second clamping hand 125 are connected to the clamping jaws of the pneumatic finger 11 through the first connection block 13 and the second connection block 14, so as to drive the first clamping hand 121 and the second clamping hand 125 to move closer to or away from each other.

[0039] See also Figure 1 The syringe cover rubber cap tooling for gas chromatography detection also includes a rotating mechanism 40, which is connected to the clamping mechanism 10 and is used to drive the clamping mechanism 10 to rotate. The rotating mechanism 40 includes a rotating cylinder 41, which is connected to the clamping mechanism 10 and is used to drive the clamping mechanism 10 to rotate. After the clamping mechanism 10 rises, the rotating cylinder 41 drives the clamping mechanism 10 to rotate horizontally by 90° (according to Figure 1 The first clamping hand 121 and the second clamping hand 125 are rotated 90 degrees in the direction of the arrow shown in the figure, so that the distance between the first clamping hand 121, the second clamping hand 125 and the stopper 30 is 1 mm to 3 mm, so that the rubber cap 80 between the first clamping hand 121 and the second clamping hand 125 is pressed against the stopper 30, which is conducive to the rubber cap 80 being sleeved on the syringe of the gas chromatograph. Of course, in other embodiments, the rotating mechanism 40 includes a turbine and a worm, and the clamping mechanism 10 is driven to rotate by the turbine and the worm.

[0040] Furthermore, a first connecting plate 15 is provided between the clamping mechanism 10 and the rotating mechanism 40, and the clamping mechanism 10 and the rotating mechanism 40 are respectively connected to the first connecting plate 15. Specifically, the clamping mechanism 10 is arranged above the first connecting plate 15, and the pneumatic fingers 11 of the clamping mechanism 10 are installed on the first connecting plate 15; the rotating mechanism 40 is arranged below the first connecting plate 15, and the output shaft of the rotating cylinder 41 is connected to the first connecting plate 15, and the rotating cylinder 41 drives the first connecting plate 15 to rotate, thereby driving the clamping mechanism 10 on the first connecting plate 15 to rotate.

[0041] See also Figure 2 The lifting mechanism 20 includes a driving assembly 21, and the driving assembly 21 is connected to the clamping mechanism 10. The driving assembly 21 can drive the clamping mechanism 10 to rise from the discharge port to a specific position so as to fit the rubber cap 80. In addition, the driving assembly 21 can also drive the clamping mechanism 10 to descend from a specific position to the discharge port so as to facilitate the clamping mechanism 10 to clamp the rubber cap 80 at the discharge port.

[0042] Furthermore, the driving assembly 21 is a linear driving assembly. In one embodiment, the linear driving assembly is a linear driving cylinder, the clamping mechanism 10 is connected to the piston rod of the linear driving cylinder, and the clamping mechanism 10 is driven to rise or fall by the linear driving cylinder.

[0043] In another embodiment, the driving assembly 21 includes a rack and a gear, the gear and the rack are meshed, and the clamping mechanism 10 is connected to the gear. When the rack is driven, the gear shaft together with the clamping mechanism 10 moves linearly along the rack direction, and the clamping mechanism 10 is driven to rise or fall through the gear and the rack.

[0044] See also Figure 1 and Figure 2 The syringe cover rubber cap tooling for gas chromatography detection also includes a fixing plate 50, which is vertically mounted on the second profile 70. In this embodiment, two second profiles 70 are provided, and the two second profiles 70 are respectively arranged at both ends of the fixing plate 50 to support the fixing plate 50. The above-mentioned driving assembly 21 is installed on the fixing plate 50. Specifically, the two ends of the linear driving cylinder are respectively provided with connecting pieces, and the linear driving cylinder is connected to one end of the connecting piece by a nut, and the other end of the connecting piece is arranged on the fixing plate 50.

[0045] Furthermore, the above-mentioned connecting member is a right angle bracket 26, and two right angle brackets 26 are provided, and the two right angle brackets 26 are respectively arranged at both ends of the linear drive cylinder. One end of the right angle bracket 26 is arranged on the fixed plate 50, and the other end of the right angle bracket 26 is connected to the linear drive cylinder, so that the linear drive cylinder is mounted on the right angle bracket 26, so as to prevent the piston rod of the linear drive cylinder from rubbing against the fixed plate 50 during the extension and retraction process, thereby affecting the ascending or descending movement of the clamping mechanism 10.

[0046] See also Figure 1 and Figure 2 The lifting mechanism 20 further includes a guide rail 22 and a second connecting plate 42. The guide rail 22 is disposed on the fixed plate 50. The second connecting plate 42 is slidably disposed on the guide rail 22. The clamping mechanism 10 and the rotating mechanism 40 are disposed on the second connecting plate 42. The second connecting plate 42 is connected to the driving assembly 21. Under the drive of the driving assembly 21, the second connecting plate 42 slides along the direction of the guide rail 22, thereby driving the clamping mechanism 10 and the rotating mechanism 40 to rise or fall.

[0047] See also Figure 1Specifically, the second connecting plate 42 includes a bottom plate and a side plate, the side plate is arranged at the end of the bottom plate, and the bottom plate and the side plate form an L-shaped second connecting plate 42. The side plate is slidably arranged on the guide rail 22, the clamping mechanism 10 and the rotating mechanism 40 are arranged on the bottom plate, and the side plate is driven to slide along the guide rail 22 by the driving assembly 21, thereby driving the clamping mechanism 10 and the rotating mechanism 40 on the bottom plate to rise or fall. In this embodiment, a slide groove is arranged on the guide rail 22, and a slider 23 is slidably arranged in the slide groove, and the side plate of the second connecting plate 42 is fixed on the slider 23.

[0048] See also Figure 1 and Figure 2 The lifting mechanism 20 further includes a third connecting plate 24, which is disposed between the driving assembly 21 and the guide rail 22, and is respectively connected to the driving assembly 21 and the second connecting plate 42. Specifically, one end of the third connecting plate 24 is connected to the side plate of the second connecting plate 42, and the other end of the third connecting plate 24 is connected to the piston rod of the linear drive cylinder, and the third connecting plate 24 is driven to move by the linear drive cylinder, thereby driving the clamping mechanism 10 and the rotating mechanism 40 on the second connecting plate 42 to rise or fall.

[0049] Specifically, a fourth connecting plate 25 is also provided between the third connecting plate 24 and the linear drive cylinder. One end of the fourth connecting plate 25 is connected to the piston rod of the linear drive cylinder, and the other end of the fourth connecting plate 25 is connected to the third connecting plate 24. The third connecting plate 24 is connected to the piston rod of the linear drive cylinder through the fourth connecting plate 25, so that the linear drive cylinder can drive the clamping mechanism 10 and the rotating mechanism 40 to rise or fall.

[0050] The specific working principle of the syringe cover rubber cap 80 tooling for gas chromatography detection is as follows:

[0051] During operation, the lifting mechanism 20 drives the clamping mechanism 10 to descend to the discharge port, and the pneumatic finger 11 drives the first clamping hand 121 and the second clamping hand 125 to move closer to each other, and clamps the rubber cap 80 at the discharge port between the first clamping hand 121 and the second clamping hand 125. After the clamping mechanism 10 clamps the rubber cap 80, the robot sends a control signal to the solenoid valve of the linear drive cylinder through its own I / O port, so that the linear drive cylinder drives the clamping mechanism 10 and the rotating mechanism 40 to rise below the limiter 30. After the robot receives the signal that the magnetic switch on the linear drive cylinder has reached the baffle, it sends a control signal to the solenoid valve of the rotating cylinder 41, so that the rotating cylinder 41 drives the clamping mechanism 10 to rotate horizontally 90°. After the clamping mechanism 10 rotates, the rubber cap 80 on the clamping mechanism 10 abuts against the limiter 30. At this time, the robot carries the syringe of the gas chromatograph and moves upward to the bottom of the rubber cap 80. Since the caliber of the rubber cap 80 is slightly smaller than the size of the syringe needle, during the process of putting on the rubber cap 80, the rubber cap 80 of the clamping mechanism 10 abuts against the limiter 30, which makes it easier to put the rubber cap 80 on the syringe of the chromatographic gas spectrum. After the action of putting on the rubber cap 80 is completed, the rotating mechanism 40 drives the clamping mechanism 10 to rotate 90° in the opposite direction, and the lifting mechanism 20 drives the clamping mechanism 10 to descend to clamp the rubber cap 80 at the feed port; the lifting mechanism 20 drives the clamping mechanism 10 to rise to a specific position to repeat the above-mentioned action of putting on the rubber cap 80 until all the syringes of the gas chromatograph are covered with rubber caps 80.

[0052] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A syringe cover rubber cap tooling for gas chromatography detection, characterized in that: include: A clamping mechanism, the clamping mechanism is used to clamp the rubber cap; the clamping mechanism includes a pneumatic finger and a clamp, the clamp is arranged on the pneumatic finger, and the pneumatic finger is used to drive the clamp to clamp or loosen the rubber cap, the clamp includes a first clamping hand and a second clamping hand, the first clamping hand is provided with a first clamping groove, and the inner wall of the first clamping groove is provided with a first inclined surface and a second inclined surface arranged oppositely; the second clamping hand is provided with a second clamping groove, and the inner wall of the second clamping groove is provided with a third inclined surface and a fourth inclined surface arranged oppositely, a first pinnacle is formed between the first inclined surface and the side surface of the first clamping hand end, and a first pinnacle is formed between the second inclined surface and the other side surface of the first clamping hand end; a second pinnacle is formed between the third inclined surface and the side surface of the second clamping hand end, and a second pinnacle is formed between the fourth inclined surface and the other side surface of the second clamping hand end; A lifting mechanism, the lifting mechanism is connected to the clamping mechanism and is used to drive the clamping mechanism to rise or fall; A limiting member, wherein a first profile is provided on one side of the clamping mechanism, the limiting member is arranged on the first profile, and the rubber cap on the clamping mechanism can be pressed against the limiting member; A rotating mechanism is connected to the clamping mechanism, and is used to drive the clamping mechanism to rotate.

2. The syringe cover rubber cap tooling for gas chromatography detection according to claim 1 is characterized in that: The first inclined surface, the second inclined surface, the third inclined surface and the fourth inclined surface are all provided with anti-slip structures.

3. The syringe cover rubber cap tooling for gas chromatography detection according to claim 1 is characterized in that: The rotating mechanism comprises a rotating cylinder, and the rotating cylinder is connected to the clamping mechanism.

4. The syringe cover rubber cap tooling for gas chromatography detection according to claim 1 is characterized in that: It also includes a first connecting plate, which is arranged between the clamping mechanism and the rotating mechanism, and the clamping mechanism and the rotating mechanism are respectively connected to the first connecting plate.

5. The syringe cover rubber cap tooling for gas chromatography detection according to any one of claims 1 to 4, characterized in that: The lifting mechanism comprises a driving assembly, which is connected to the clamping mechanism and is used to drive the clamping mechanism to rise or fall.

6. The syringe cover rubber cap tooling for gas chromatography detection according to claim 5, characterized in that: The lifting mechanism further comprises a guide rail and a second connecting plate, wherein the second connecting plate is slidably disposed on the guide rail, the clamping mechanism is disposed on the second connecting plate, and the second connecting plate is connected to the driving assembly.

7. The syringe cover rubber cap tooling for gas chromatography detection according to claim 6 is characterized in that: The second connecting plate includes a bottom plate and a side plate, the side plate is arranged at the end of the bottom plate, the bottom plate and the side plate form an L shape, the side plate is slidably arranged on the guide rail, and the clamping mechanism and the rotating mechanism are arranged on the bottom plate.

8. The syringe cover rubber cap tooling for gas chromatography detection according to claim 7, characterized in that: The lifting mechanism further includes a third connecting plate, which is disposed between the driving assembly and the guide rail, and is connected to the driving assembly and the second connecting plate respectively.

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