Automatic marking device for medical pipe fitting

Abstract

The utility model discloses an automatic marking device for medical pipe fittings, which comprises a base plate, a fixed bracket arranged at one end of the base plate, a movable bracket arranged at the other end of the base plate, at least two supporting blocks arranged between the fixed bracket and the movable bracket at intervals, and a Z-axis movable bracket arranged at one end, close to the fixed bracket, of the base plate, a laser marking head capable of moving in the vertical direction is installed on a movable part of the Z-axis movable support, a positioning block is arranged on the side, facing the movable support, of the fixed support, and an ejector pin facing the positioning block is installed on the movable support. The pipe fitting comprises a body and a lug part extending outwards from a part of the circumferential area of the end face of one end of the body, and a V-shaped supporting groove allowing the body of the pipe fitting to be embedded in is formed in the upper surface of the supporting block. According to the utility model, not only can the automatic clamping of the pipe fitting and the laser marking of the clamped pipe fitting be realized, but also the position precision of the pipe fitting during marking can be improved, so that the marking precision is ensured.

Description

Technical Field

[0001] The utility model relates to an automatic marking device for medical pipe fittings, belonging to the technical field of medical equipment processing. Background Art

[0002] Laser marking technology is one of the largest application areas of laser processing. Laser marking is a marking method that uses high-energy-density lasers to partially irradiate the workpiece, causing the surface material to vaporize or undergo a chemical reaction that changes color, thereby leaving a permanent mark. Laser marking can produce a variety of text, symbols, and patterns, and the character size can range from millimeters to microns. At present, in practical applications, the use of lasers to mark products is widely used in the industry, such as in the processing of medical device parts. Since the thin-walled pipes used in medical devices have poor stiffness and high requirements for parts processing accuracy, how to clamp the pipes to facilitate laser marking has become a technical problem that needs to be solved urgently. Utility Model Content

[0003] The utility model aims to provide an automatic marking device for medical pipe fittings, which can not only realize automatic clamping of pipe fittings and laser marking of clamped pipe fittings, but also improve the position accuracy of pipe fittings during marking to ensure the marking accuracy.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an automatic marking device for medical pipe fittings, comprising: a base plate, a fixed bracket installed at one end of the base plate, a movable bracket arranged at the other end of the base plate, at least two support blocks spaced between the fixed bracket and the movable bracket, and a Z-axis movable bracket installed on the base plate near one end of the fixed bracket, a laser marking head movable in a vertical direction is installed on the movable part of the Z-axis movable bracket, a positioning block is arranged on the side of the fixed bracket facing the movable bracket, and a thimble arranged toward the positioning block is installed on the movable bracket, and the pipe fitting comprises: a body and a lug extending outward from a partial circumferential area of ​​an end face of the body, and a V-shaped support groove is provided on the upper surface of the support block for the body of the pipe fitting to be embedded;

[0005] The main body of the positioning block is mounted on the main body of a pneumatic chuck and is located between the first movable part and the second movable part of the pneumatic chuck. The main body of the positioning block has an outward protrusion on its end surface facing the ejector. The conical protrusion is coaxially arranged with the ejector and can be embedded in the pipe. The protrusion of the positioning block is provided with a first clamping strip mounted on the first movable part of the pneumatic chuck and a second clamping strip mounted on the second movable part of the pneumatic chuck on the side opposite to the main body. The second clamping strip has an arc groove on its surface facing the first clamping strip for the lug of the pipe to be embedded.

[0006] A horizontally arranged mounting plate is provided below the ejector pin, and a pneumatic clamp is installed on the upper surface of the other end of the mounting plate whose one end is connected to the movable bracket. The two movable blocks of the pneumatic clamp located between the ejector pin and the support block can approach or move away from each other in the horizontal direction, and a clamping block is installed on the upper surface of each of the two movable blocks. A strip-shaped clamping groove extending along the axial direction of the ejector pin is provided on the surface of each clamping block facing the other clamping block.

[0007] The further improved scheme in the above technical scheme is as follows:

[0008] 1. In the above solution, the main body of the pneumatic chuck is rotatably mounted on a fixed bracket through a flange and is drivingly connected to an output shaft of a motor.

[0009] 2. In the above scheme, the Z-axis movable bracket further includes: a screw rod vertically mounted on a housing and a nut sleeved on the screw rod, and one end of the screw rod rotatably mounted on the housing is connected to a driving assembly.

[0010] 3. In the above solution, the driving component is a motor or a driving crank handle.

[0011] 4. In the above solution, the lower end of the movable bracket is connected to the piston rod of a cylinder installed on the base plate.

[0012] 5. In the above solution, the cylinder is movably mounted on the upper surface of the base plate through a movable carrier plate.

[0013] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0014] The utility model discloses an automatic marking device for medical tube fittings, wherein the tube fittings include: a main body and a lug portion extending outward from a partial circumferential area of ​​an end surface of the main body, a V-shaped support groove for the main body of the tube fitting to be embedded in the upper surface of the support block, a main body of the positioning block is mounted on a main body of a pneumatic chuck and is located between a first movable part and a second movable part of the pneumatic chuck, an outward convex portion is provided on an end surface of the main body of the positioning block facing an ejector pin, the conical convex portion is coaxially arranged with the ejector pin and can be embedded in the tube fitting, a first clamping strip mounted on the first movable part of the pneumatic chuck and a second clamping strip mounted on the second movable part of the pneumatic chuck are respectively provided on the side of the convex portion of the positioning block opposite to the main body thereof, and a second clamping strip is provided on the surface of the second clamping strip facing the first clamping strip An arc-shaped groove is provided for the lug part of the pipe fitting to be embedded. A horizontally arranged mounting plate is provided below the ejector pin. A pneumatic clamp is installed on the upper surface of the other end of the mounting plate connected to the movable bracket at one end. The two movable blocks of the pneumatic clamp located between the ejector pin and the support block can approach or move away from each other in the horizontal direction. A clamping block is installed on the upper surface of each of the two movable blocks. A strip clamping groove extending along the axial direction of the ejector pin is provided on the surface of each clamping block facing the other clamping block. This can realize automatic clamping of the pipe fitting and laser marking of the clamped pipe fitting, and can pre-calibrate the position of the pipe fitting in the circumferential and radial directions. It can also improve the position accuracy and stability of the pipe fitting during horizontal movement, improve the position accuracy of the pipe fitting during marking, and thus ensure the marking accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Attached Figure 1 This is a schematic diagram of the structure of the automatic marking device for medical pipe fittings of the utility model;

[0016] Attached Figure 2 It is a partial structural schematic diagram of the automatic marking device for medical pipe fittings of the utility model;

[0017] Attached Figure 3 for Figure 2 A magnified view of the structure at one end;

[0018] Attached Figure 4 for Figure 2 An enlarged view of the structure at the other end.

[0019] In the above drawings: 100, pipe fitting; 101, body; 102, lug; 1, base plate; 2, fixed bracket; 3, movable bracket; 4, support block; 41, V-shaped support groove; 5, positioning block; 51, main body; 52, raised portion; 6, ejector pin; 7, pneumatic chuck; 71, main body; 72, first movable portion; 73, second movable portion; 81, first clamping strip; 82, second clamping strip; 83, arc groove; 9, mounting plate; 10, pneumatic clamp; 11, movable block; 12, clamping block; 121, strip clamping groove; 16, cylinder; 17, movable carrier plate; 18, flange; 19, Z-axis movable bracket; 20, laser marking head. DETAILED DESCRIPTION

[0020] The present invention can be further understood through the specific embodiments given below, but they are not intended to limit the present invention.

[0021] Embodiment 1: An automatic marking device for medical pipe fittings, comprising: a substrate 1, a fixed bracket 2 installed at one end of the substrate 1, a movable bracket 3 arranged at the other end of the substrate 1, at least two support blocks 4 spaced between the fixed bracket 2 and the movable bracket 3, and a Z-axis movable bracket 19 installed on the substrate 1 near one end of the fixed bracket 2, a laser marking head 20 movable in a vertical direction is installed on the movable part of the Z-axis movable bracket 19, a positioning block 5 is arranged on the side of the fixed bracket 2 facing the movable bracket 3, and a thimble 6 arranged toward the positioning block 5 is installed on the movable bracket 3, and the pipe fitting 100 comprises: a body 101 and a lug portion 102 extending outward from a partial circumferential area of ​​an end surface of the body 101, and a V-shaped support groove 41 is provided on the upper surface of the support block 4 for the body 101 of the pipe fitting 100 to be embedded;

[0022] The main body 51 of the positioning block 5 is mounted on the main body 71 of a pneumatic chuck 7 and is located between the first movable part 72 and the second movable part 73 of the pneumatic chuck 7. The main body 51 of the positioning block 5 has an outward protrusion 52 on its end surface facing the ejector pin 6. The conical protrusion 52 is coaxially arranged with the ejector pin 6 and can be embedded in the pipe 100. The protrusion 52 of the positioning block 5 is provided with a first clamping strip 81 mounted on the first movable part 72 of the pneumatic chuck 7 and a second clamping strip 82 mounted on the second movable part 73 of the pneumatic chuck 7 on the side opposite to the main body 51. The second clamping strip 82 has an arc groove 83 on its surface facing the first clamping strip 81 for the lug 102 of the pipe 100 to be embedded.

[0023] A horizontally arranged mounting plate 9 is provided below the ejector pin 6, and a pneumatic clamp 10 is installed on the upper surface of the other end of the mounting plate 9 connected to the movable bracket 3 at one end. The two movable blocks 11 of the pneumatic clamp 10 located between the ejector pin 6 and the support block 4 can approach or move away from each other in the horizontal direction, and a clamping block 12 is respectively installed on the upper surface of the two movable blocks 11. A strip-shaped clamping groove 121 extending along the axial direction of the ejector pin 6 is provided on the surface of each clamping block 12 facing the other clamping block 12.

[0024] The main body 71 of the pneumatic chuck 7 is rotatably mounted on the fixed bracket 2 through a flange 18 and is drivingly connected to the output shaft of a motor;

[0025] The Z-axis movable bracket 19 further includes: a screw rod vertically mounted on a housing and a nut sleeved on the screw rod, one end of the screw rod rotatably mounted on the housing is connected to a driving component; the driving component is a motor.

[0026] Embodiment 2: An automatic marking device for medical tube fittings, comprising: a substrate 1, a fixed bracket 2 installed at one end of the substrate 1, a movable bracket 3 arranged at the other end of the substrate 1, at least two support blocks 4 spaced between the fixed bracket 2 and the movable bracket 3, and a Z-axis movable bracket 19 installed on the substrate 1 near one end of the fixed bracket 2, a laser marking head 20 movable in a vertical direction is installed on the movable part of the Z-axis movable bracket 19, a positioning block 5 is arranged on the side of the fixed bracket 2 facing the movable bracket 3, and a thimble 6 arranged toward the positioning block 5 is installed on the movable bracket 3, and the tube fitting 100 comprises: a body 101 and a lug portion 102 extending outward from a partial circumferential area of ​​an end surface of the body 101, and a V-shaped support groove 41 is provided on the upper surface of the support block 4 for the body 101 of the tube fitting 100 to be embedded;

[0027] The main body 51 of the positioning block 5 is mounted on the main body 71 of a pneumatic chuck 7 and is located between the first movable part 72 and the second movable part 73 of the pneumatic chuck 7. The main body 51 of the positioning block 5 has an outward protrusion 52 on its end surface facing the ejector pin 6. The conical protrusion 52 is coaxially arranged with the ejector pin 6 and can be embedded in the pipe 100. The protrusion 52 of the positioning block 5 is provided with a first clamping strip 81 mounted on the first movable part 72 of the pneumatic chuck 7 and a second clamping strip 82 mounted on the second movable part 73 of the pneumatic chuck 7 on the side opposite to the main body 51. The second clamping strip 82 has an arc groove 83 on its surface facing the first clamping strip 81 for the lug 102 of the pipe 100 to be embedded.

[0028] A horizontally arranged mounting plate 9 is provided below the ejector pin 6, and a pneumatic clamp 10 is installed on the upper surface of the other end of the mounting plate 9 connected to the movable bracket 3 at one end. The two movable blocks 11 of the pneumatic clamp 10 located between the ejector pin 6 and the support block 4 can approach or move away from each other in the horizontal direction, and a clamping block 12 is respectively installed on the upper surface of the two movable blocks 11. A strip-shaped clamping groove 121 extending along the axial direction of the ejector pin 6 is provided on the surface of each clamping block 12 facing the other clamping block 12.

[0029] The Z-axis movable bracket 19 further comprises: a screw rod vertically mounted on a housing and a nut sleeved on the screw rod, one end of the screw rod rotatably mounted on the housing is connected to a driving assembly;

[0030] The above-mentioned driving component is a driving hand crank;

[0031] The lower end of the movable bracket 3 is connected to a piston rod of a cylinder 16 mounted on the base plate 1;

[0032] The cylinder 16 is movably mounted on the upper surface of the base plate 1 via a movable carrier plate 17 .

[0033] When in use, first move the movable bracket to the farthest distance from the fixed bracket, and place the pneumatic chuck and pneumatic clamping jaws in an open state;

[0034] The pipe fitting is transported between the positioning block and the ejector pin so that the body of the horizontally extending pipe fitting is embedded in the V-shaped support groove of each support block and the lug portion at one end of the pipe fitting body is close to the positioning block and the other end is close to the ejector pin;

[0035] At this time, the body of the pipe, the raised portion of the positioning block and the ejector pin are in a coaxial state, and the lug portion at one end of the pipe body is located between the first clamping strip and the second clamping strip, and the other end of the pipe is located between the two clamping blocks;

[0036] At the same time, the pneumatic chuck and the pneumatic clamping jaw are switched to the clamping state, so that the first clamping strip contacts the end surface of the inner side of the lug portion, the inner wall of the arc groove on the second clamping strip contacts the arc surface of the outer side of the lug portion, and at the same time, the inner walls of the strip clamping grooves on the two clamping blocks are in extrusion contact with the outer circumferential surface of the pipe body;

[0037] The pneumatic chuck is switched to an open state, and then the movable bracket is driven to move a distance H1 toward the fixed bracket, so that the pipe clamped between the two clamping blocks moves the same distance H1 toward the positioning block on the fixed bracket along with the movable bracket, so that a part of the protrusion on the positioning block is embedded in the pipe;

[0038] The pneumatic clamp is switched to the open state, and then the movable bracket is driven to move a distance H2 in the direction of the fixed bracket, so that the ejector pin that moves with the movable bracket is embedded in one end of the pipe body and pushes the pipe to move until the other end surface of the pipe body contacts the end surface of the main body of the positioning block facing the ejector pin end. At this time, the protrusion on the positioning block is completely embedded in the body of the pipe;

[0039] Finally, the tube is marked by a laser marking head located above the tube;

[0040] The pneumatic chuck can also be rotated to drive the pipe to rotate, thereby achieving marking operations on multiple locations of the pipe.

[0041] When the above-mentioned automatic marking device for medical tube fittings is used, it can not only realize automatic clamping of the tube fittings and laser marking of the clamped tube fittings, but also pre-calibrate the position of the tube fittings in the circumferential and radial directions, and can also improve the position accuracy and stability of the tube fittings during horizontal movement, thereby improving the position accuracy of the tube fittings during marking and ensuring the marking accuracy.

[0042] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. An automatic marking device for medical pipe fittings, comprising: A substrate (1), a fixed bracket (2) mounted on one end of the substrate (1), a movable bracket (3) arranged at the other end of the substrate (1), at least two support blocks (4) spaced apart between the fixed bracket (2) and the movable bracket (3), and a Z-axis movable bracket (19) mounted on the substrate (1) near one end of the fixed bracket (2), wherein a laser marking head (20) movable in a vertical direction is mounted on the movable portion of the Z-axis movable bracket (19), a positioning block (5) is arranged on the side of the fixed bracket (2) facing the movable bracket (3), and a ejector pin (6) arranged facing the positioning block (5) is mounted on the movable bracket (3), characterized in that: the pipe fitting (100) comprises: a body (101) and a lug portion (102) extending outward from a partial circumferential area of ​​an end surface of the body (101), and the upper surface of the support block (4) is provided with a V-shaped support groove (41) for the body (101) of the pipe fitting (100) to be embedded; The main body (51) of the positioning block (5) is mounted on the main body (71) of a pneumatic chuck (7) and is located between the first movable part (72) and the second movable part (73) of the pneumatic chuck (7). The main body (51) of the positioning block (5) has an outwardly facing protrusion (52) on its end surface facing the ejector pin (6). The conical protrusion (52) is coaxially arranged with the ejector pin (6) and can be embedded in the pipe fitting (100). The positioning block A first clamping strip (81) mounted on a first movable portion (72) of the pneumatic chuck (7) and a second clamping strip (82) mounted on a second movable portion (73) of the pneumatic chuck (7) are respectively provided on the side of the protruding portion (52) of the pneumatic chuck (5) opposite to the main body portion (51), and an arc-shaped groove (83) for the lug portion (102) of the pipe (100) to be embedded is provided on the surface of the second clamping strip (82) facing the first clamping strip (81); A horizontally arranged mounting plate (9) is provided below the ejector pin (6); a pneumatic clamp (10) is installed on the upper surface of the other end of the mounting plate (9) connected to the movable bracket (3) at one end; two movable blocks (11) of the pneumatic clamp (10) located between the ejector pin (6) and the support block (4) can move closer to or farther from each other in a horizontal direction; a clamping block (12) is installed on the upper surface of each of the two movable blocks (11); and a strip-shaped clamping groove (121) extending along the axial direction of the ejector pin (6) is provided on the surface of each of the clamping blocks (12) facing the other clamping block (12).

2. The automatic marking device for medical tubes according to claim 1, characterized in that: The main body (71) of the pneumatic chuck (7) is rotatably mounted on the fixed bracket (2) via a flange (18) and is drivingly connected to the output shaft of a motor.

3. The automatic marking device for medical tubes according to claim 1, characterized in that: The Z-axis movable bracket (19) further comprises: a screw rod vertically mounted on a housing and a nut sleeved on the screw rod, wherein one end of the screw rod rotatably mounted on the housing is connected to a driving assembly.

4. The automatic marking device for medical tubes according to claim 3, characterized in that: The driving component is a motor or a driving crank handle.

5. The automatic marking device for medical tubes according to claim 1, characterized in that: The lower end of the movable bracket (3) is connected to a piston rod of a cylinder (16) mounted on the base plate (1).

6. The automatic marking device for medical tubes according to claim 5, characterized in that: The cylinder (16) is movably mounted on the upper surface of the base plate (1) via a movable carrier plate (17).

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