Automatic assembly machine for mask adjustment buckle

Abstract

An automatic assembly machine for mask adjustment buckles includes a horizontal base with a horizontal guide rail fixed to the upper right end surface of the base. Several sliders are inserted and fixed on the guide rail, and the sliders are fixed to a feed base. A vertical baffle is formed on the right end of the feed base. A horizontal loading tube is abutted against the upper end surface of the feed base. A limiting column sleeve is inserted and fixed to the right end of the loading tube. The right end surface of the limiting column sleeve is fixed to the baffle. A semicircular feed slot is formed on the loading tube to the left of the limiting column sleeve and extends through the upper outer wall of the loading tube. A semicircular discharge slot is formed on the loading tube to the left of the feed slot and extends through the upper outer wall and left end surface of the loading tube. A novel adjustment buckle installation device is designed to quickly and easily automatically install the adjustment buckle on the mask strap.

Description

Technical field:

[0001] The present invention relates to the technical field of mask production devices, and more particularly to an automatic assembly machine for mask adjustment buckles. Background technology:

[0002] Currently, common medical masks are composed of three layers of fabric, ear straps and other components, among which the ear straps include ropes or straps cut from non-woven fabrics, and the common rope structure is generally woven from spandex and nylon or woven from spandex and polyester, and the rope has a certain elasticity; and the ear straps of current medical masks are generally universal and are formulated according to industry standard lengths; when there are many different situations of users, for some users with smaller faces, the ear straps on standard masks are often too long and need to be knotted before being tied, but knotting is troublesome, so it is proposed to insert a rubber-structured adjustment buckle on the ear strap, and the adjustment buckle is equivalent to a knot. The length of the ear strap when the mask is tied can be adjusted by moving the adjustment buckle, and the adaptability of the mask is better. In order to prevent the adjustment buckle from moving at will, the adjustment buckle is generally pressed on the ear strap, that is, the aperture of the perforation on the adjustment buckle is often smaller than the diameter of the rope on the ear strap, and then it is more troublesome to install the adjustment buckle on the ear strap of the mask. Summary of the invention:

[0003] The purpose of the present invention is to address the deficiencies of the existing technology and provide an automatic assembly machine for a mask adjustment buckle, which can automatically and quickly install the adjustment buckle on the rope strap of the mask.

[0004] An automatic assembly machine for mask adjustment buckles, comprising a horizontal base, a horizontal guide rail fixed to the upper end surface on the right side of the base, a plurality of sliders fixed to the guide rail by inserting sleeves, the sliders fixed to a feed base, a vertical baffle formed on the right end of the feed base, a horizontal loading tube abutting against the upper end surface of the feed base, a limiting column sleeve inserted and fixed to the right end of the loading tube, the right end surface of the limiting column sleeve fixed to the baffle, a semicircular feeding notch formed on the loading tube on the left side of the limiting column sleeve and penetrating the upper outer wall of the loading tube, and a semicircular discharging notch on the loading tube on the left side of the feeding notch and penetrating the upper outer wall and left end surface of the loading tube;

[0005] A vertical positioning seat is fixed on the upper end surface of the left end of the base, and a horizontal socket is fixed on the right end surface of the upper part of the positioning seat. A horizontal pin is fixed on the socket, and the needle head of the pin is inserted in the loading tube at the feed slot. The end face of the needle head of the pin is inclined and has a horizontal slot. A vertical slot penetrating the outer walls of the upper and lower side walls of the pin and the needle head of the pin is formed on the pin, and a vertical stripping plate is inserted in the vertical slot at the needle head of the pin, and the lower end of the stripping plate is fixed to the inner wall of the lower side of the loading tube; a pad is fixed to the positioning seat on the lower side of the pin, and a horizontal assembly cylinder is fixed to the pad, and the piston rod of the assembly cylinder is fixed on the feed base.

[0006] Preferably, a horizontal supporting plate is fixed on the upper end surface of the positioning seat.

[0007] Preferably, the thickness of the stripper plate is equal to the width of the vertical slot on the pin, the upper end surface of the stripper plate is located below the slot, and the length of the vertical slot on the pin is not less than the stroke of the assembly cylinder.

[0008] Preferably, a V-shaped mounting groove is formed on the upper end surface of the feed base, the loading tube is inserted into the mounting groove of the feed base, the right end surface of the loading tube rests on the baffle, and the left end surface of the limiting column sleeve is flush with the right side wall of the feed groove on the loading tube.

[0009] Preferably, the insertion needle is a round rod-shaped needle body, the central axis of the insertion needle, the central axis of the loading tube and the central axis of the limiting column sleeve are all on the same straight line, and the aperture of the inner hole of the limiting column sleeve is larger than the diameter of the insertion needle.

[0010] Preferably, the length of the feed slot on the loading tube is smaller than the length of the discharge slot.

[0011] Preferably, two sets of opposite hot pressing components are fixed on the front and rear end surfaces of the feed base on the right side of the feed slot, and the hot pressing components include pressing columns located on the front and rear sides of the loading tube, and the limiting column sleeve and the loading tube are respectively formed with an inner plug hole and an outer plug hole facing the pressing columns, and the inner plug hole is communicated with the inner hole of the limiting column sleeve; the end of the pressing column away from the loading tube is plugged and fixed with a ceramic heat-insulating sleeve, a heating rod is plugged into the ceramic heat-insulating sleeve, and the end of the heating rod is plugged and fixed in the pressing column; a vertical movable slide is fixedly connected to the ceramic heat-insulating sleeve, and a plurality of longitudinal T-shaped connecting columns are plugged into the movable slide, and the ends of the connecting columns are plugged and fixed on the feed base, and a first spring is inserted into the connecting column, and the two ends of the first spring are respectively pressed against the head of the connecting column and the movable slide;

[0012] A right-angled trapezoidal fixed wedge is fixed on the movable slide between the connecting columns, and a right-angled trapezoidal moving wedge is abutted on the inclined surface of the fixed wedge. A number of T-shaped guide columns are fixed on the right end of the moving wedge, and a longitudinal limit plate is inserted into the guide column. The limit plate is fixed to the front and rear end surfaces of the feed base. A second spring is inserted into the guide column, and the two ends of the second spring are respectively pressed against the limit plate and the moving wedge. The head of the guide column is pressed against the limit plate, and the left end of the moving wedge extends out of the left end surface of the movable slide and the fixed wedge; a limit block opposite to the moving wedge is fixed to the base on the left side of the loading tube, and the limit blocks are distributed on the front and rear sides of the pin.

[0013] Preferably, the diameter of the inner plug hole on the limiting column sleeve or the diameter of the outer plug hole on the loading tube is larger than the diameter of the pressing column, the pressing column is made of aluminum alloy, and the dynamic slide plate is formed with an avoidance slot hole opposite to the heating rod.

[0014] Preferably, the center distance between the end of the pressing column and the limiting column sleeve is smaller than the distance between the feed base and the movable slide.

[0015] The beneficial effects of the present invention are:

[0016] 1. It has designed a new type of adjustment buckle installation device, which can quickly and easily install the adjustment buckle on the mask strap.

[0017] 2. The adjustment buckle installation device it is designed for can also perform heat pressing on the strap of the mask. After heat pressing, the strap will become a hard knot, which can prevent the adjustment buckle from detaching from the strap. Description of the drawings:

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0019] Figure 2 It is a schematic diagram of a half-section structure in the front view direction of the present invention;

[0020] Figure 3 A schematic diagram of the three-dimensional structure of the present invention from another angle;

[0021] Figure 4 It is a schematic structural diagram of the present invention from a top view.

[0022] In the figure: 1. Base; 2. Guide rail; 3. Slider; 4. Feed base; 41. Baffle; 5. Limiting column sleeve; 51. Left baffle; 22. Branch plate; 23. Guide groove; 3. Connecting seat; 4. Support shaft; 41. Thread; 5. Positioning sleeve; 51. Internal plug hole; 6. Loading tube; 61. Feed notch; 62. Discharge notch; 63. External plug hole; 7. Pin; 71. Card slot; 72. Vertical slot; 8. Hot pressing assembly; 81. Pressing column; 82. Pressing column; 82. Ceramic insulation sleeve; 83. Moving slide plate; 84. Heating rod; 85. Connecting column; 86. Fixed wedge; 87. Moving wedge; 88. Limit plate; 89. Guide column; 810. First spring; 811. Second spring; 9. Diverter plate; 10. Socket; 11. Positioning seat; 12. Support plate; 13. Assembly cylinder; 14. Spacer; 15. Limit block; 16. Adjustment buckle; 161. Silicone sleeve; 162. Plastic jacket. Specific implementation method:

[0023] Example: See Figures 1 to 4As shown, an automatic assembly machine for a mask adjustment buckle includes a horizontal base 1, a horizontal guide rail 2 is fixed on the upper end surface of the right side of the base 1, a plurality of sliders 3 are fixed on the guide rail 2, the sliders 3 are fixed on the feed base 4, and a vertical baffle 41 is formed on the right end of the feed base 4. A horizontal loading tube 6 is abutted against the upper end surface of the feeding base 4, and a limiting column sleeve 5 is fixed to the right end of the loading tube 6. The right end surface of the limiting column sleeve 5 is fixed on the baffle 41, and a semicircular feeding slot 61 is formed on the loading tube 6 on the left side of the limiting column sleeve 5 and passes through the upper outer wall of the loading tube 6. A discharge slot 62 is formed on the loading tube 6 on the left side of the feeding slot 61 and passes through the upper outer wall and left end surface of the loading tube 6;

[0024] A vertical positioning seat 11 is fixed on the upper end surface of the left end of the base 1, and a horizontal socket 10 is fixed on the right end surface of the upper part of the positioning seat 11. A horizontal pin 7 is plugged and fixed on the socket 10. The needle head of the pin 7 is inserted in the loading tube 6 at the feed slot 61. The end face of the needle head of the pin 7 is inclined and has a horizontal card slot 71. The pin 7 is formed with a vertical slot 72 that passes through the outer walls of the upper and lower side walls of the pin 7 and the needle head of the pin 7. A vertical stripping plate 9 is plugged into the vertical slot 72 at the needle head of the pin 7, and the lower end of the stripping plate 9 is fixed to the inner wall of the lower side of the loading tube 6; a pad 14 is fixed to the positioning seat 11 on the lower side of the pin 7, and a horizontal assembly cylinder 13 is fixed to the pad 14. The piston rod of the assembly cylinder 13 is plugged and fixed on the feed base 4.

[0025] Preferably, a horizontal supporting plate 12 is fixed on the upper end surface of the positioning seat 11 .

[0026] Preferably, the thickness of the stripper plate 9 is equal to the width of the vertical slot 72 on the pin 7, the upper end surface of the stripper plate 9 is located below the slot 71, and the length of the vertical slot 72 on the pin 7 is not less than the stroke of the assembly cylinder 13.

[0027] Preferably, a V-shaped mounting groove is formed on the upper end surface of the feed base 4, the loading tube 6 is inserted into the mounting groove of the feed base 4, the right end surface of the loading tube 6 rests on the baffle 41, and the left end surface of the limiting column sleeve 5 is flush with the right side wall of the feed groove 61 on the loading tube 6.

[0028] Preferably, the insertion pin 7 is a round rod-shaped needle body, the central axis of the insertion pin 7, the central axis of the loading tube 6 and the central axis of the limiting column sleeve 5 are all on the same straight line, and the aperture of the inner hole of the limiting column sleeve 5 is larger than the diameter of the insertion pin 7.

[0029] Preferably, the length of the feed slot 61 on the loading pipe 6 is smaller than the length of the discharge slot 62 .

[0030] Preferably, two sets of opposite hot pressing components 8 are fixed on the front and rear end surfaces of the feed base 4 on the right side of the feed slot 61. The hot pressing component 8 includes a pressing column 81 located on the front and rear sides of the loading tube 6. The limiting column sleeve 5 and the loading tube 6 are respectively formed with an inner plug hole 51 and an outer plug hole 63 facing the pressing column 81. The inner plug hole 51 is connected to the inner hole of the limiting column sleeve 5; the end of the pressing column 81 away from the loading tube 6 is plugged and fixed with a ceramic heat insulation sleeve 82, and the ceramic heat insulation sleeve 82 is fixed to the end of the pressing column 81 away from the loading tube 6. A heating rod 84 is inserted into the heat-insulating sleeve 82, and the end of the heating rod 84 is inserted and fixed in the pressing column 81; a vertical movable slide 83 is fixedly connected to the ceramic heat-insulating sleeve 82, and a plurality of longitudinal T-shaped connecting columns 85 are inserted into the movable slide 83, and the ends of the connecting columns 85 are inserted and fixed on the feed base 4. A first spring 810 is inserted and sleeved on the connecting column 85, and the two ends of the first spring 810 are pressed against the head of the connecting column 85 and the movable slide 83 respectively;

[0031] A right-angled trapezoidal fixed wedge 86 is fixed on the movable slide 83 between the connecting columns 85, and a right-angled trapezoidal movable wedge 87 is abutted on the inclined surface of the fixed wedge 86. A number of T-shaped guide columns 89 are fixed to the right end of the movable wedge 87, and a longitudinal limit plate 88 is inserted into the guide column 89. The limit plate 88 is fixed to the front and rear end surfaces of the feed base 4. A second spring 811 is inserted into the guide column 89, and the two ends of the second spring 811 are respectively pressed against the limit plate 88 and the movable wedge 87. The head of the guide column 89 is pressed against the limit plate 88, and the left end of the movable wedge 87 extends out of the left end surface of the movable slide 83 and the fixed wedge 86; a limit block 15 opposite to the movable wedge 87 is fixed to the base 1 on the left side of the loading tube 6, and the limit block 15 is distributed on the front and rear sides of the pin 7.

[0032] Preferably, the aperture of the inner plug hole 51 on the limiting column sleeve 5 or the aperture of the outer plug hole 63 on the loading tube 6 is larger than the diameter of the pressing column 81. The pressing column 81 is made of aluminum alloy, and the movable slide plate 83 is formed with an avoidance slot opposite to the heating rod 84.

[0033] Preferably, the center distance from the end of the pressing column 81 to the limiting column sleeve 5 is smaller than the distance between the feed base 4 and the movable slide 83; the outer end face of the movable wedge block 87 is an inclined surface, and the longitudinal distance between the left and right sides of the inclined surface of the movable wedge block 87 is greater than the center distance from the end of the pressing column 81 to the limiting column sleeve 5.

[0034] Working principle: The present invention is an automatic assembly machine for mask adjustment buckles, and its structure is as follows: Figure 1 As shown, the adjustment buckle 16 can be placed in the loading tube 6 through the feed slot 61, wherein the adjustment buckle 16 is composed of a silicone sleeve 161 and a plastic jacket 162 fixed to the outside of the silicone sleeve 161. Figure 2As shown; then place the mask on the support plate 12, insert the ear strap of the mask into the card slot 71 of the pin 7, start the assembly cylinder 13, the assembly cylinder 13 drives the loading tube 6 to move to the left, and the adjustment buckle 16 is inserted into the pin 7, that is, the ear strap is inserted into the adjustment buckle 16;

[0035] After the ear strap passes through the adjustment buckle 16, the movable wedge 87 on the hot pressing assembly 8 is restricted by the limit stopper 15. As the loading tube 6 continues to move, the pressing column 81 moves toward the limit column sleeve 5 under the action of the first spring 810. Finally, the pressing column 81 heat-presses the ear straps on both sides of the needle tip of the insertion pin 7, and the ear straps are hardened by the heat and pressure.

[0036] Finally, the assembly cylinder 13 is reset, and the loading tube 6 is reset accordingly. The pressing column 81 is separated from the ear strap, and in the subsequent reset process of the loading tube 6, the material stripping plate 9 will rest on the adjusting buckle 16, and pull the adjusting buckle 16 out of the pin 7 and fall on the loading tube 6 at the discharge slot 62, and the ear strap is also separated from the card slot 71 of the pin 7; the automatic installation of the adjusting buckle 16 is completed.

[0037] The embodiments are intended to illustrate the present invention and are not intended to limit the present invention. Any person skilled in the art may modify the embodiments without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be as set forth in the claims of the present invention.

Claims

1. An automatic assembly machine for mask adjustment buckles, comprising a horizontal base (1), a horizontal guide rail (2) fixed on the upper end surface of the right side of the base (1), a plurality of sliders (3) fixed on the upper sleeve of the guide rail (2), the sliders (3) fixed on the feed base (4), and a vertical baffle (41) formed on the right end of the feed base (4), characterized in that: The upper end surface of the feed base (4) abuts against a transverse loading tube (6), the right end of the loading tube (6) is fixedly connected with a limiting column sleeve (5), the right end surface of the limiting column sleeve (5) is fixed on the baffle (41), and a semicircular feeding slot (61) is formed on the loading tube (6) on the left side of the limiting column sleeve (5) and passes through the upper outer wall of the loading tube (6), and a semicircular discharging slot (62) is formed on the loading tube (6) on the left side of the feeding slot (61) and passes through the upper outer wall and left end surface of the loading tube (6); A vertical positioning seat (11) is fixed on the upper end surface of the left end of the base (1), a horizontal socket (10) is fixed on the right end surface of the upper part of the positioning seat (11), and a horizontal pin (7) is fixed on the socket (10), and the needle head of the pin (7) is inserted into the loading tube (6) at the feed slot (61). The end surface of the pin (7) at the needle head is inclined and has a horizontal slot (71). The pin (7) is formed with a through-hole on the pin (7). , the outer wall of the lower side wall and the vertical slot (72) of the needle head of the pin (7), a vertical material stripping plate (9) is inserted into the vertical slot (72) at the needle head of the pin (7), and the lower end of the material stripping plate (9) is fixed to the inner wall of the lower side of the loading tube (6); the positioning seat (11) on the lower side of the pin (7) is fixed with a pad (14), and the pad (14) is fixed with a horizontal assembly cylinder (13), and the piston rod of the assembly cylinder (13) is inserted and fixed on the feed base (4); Two sets of opposite hot pressing components (8) are fixed on the front and rear end surfaces of the feed base (4) on the right side of the feed slot (61), and the hot pressing component (8) includes a pressing column (81) located on the front and rear sides of the loading tube (6). The limiting column sleeve (5) and the loading tube (6) are respectively formed with an inner plug hole (51) and an outer plug hole (63) facing the pressing column (81), and the inner plug hole (51) is connected to the inner hole of the limiting column sleeve (5); the end of the pressing column (81) away from the loading tube (6) is plugged and fixed with a ceramic heat insulation sleeve (82), and the ceramic heat insulation sleeve (83) is connected to the inner hole of the limiting column sleeve (5); A heating rod (84) is inserted into the heat sleeve (82), and the end of the heating rod (84) is inserted and fixed in the pressing column (81); a vertical movable slide (83) is fixedly connected to the ceramic heat-insulating sleeve (82), and a plurality of longitudinal T-shaped connecting columns (85) are inserted into the movable slide (83), and the ends of the connecting columns (85) are inserted and fixed on the feed base (4); a first spring (810) is inserted and sleeved on the connecting column (85), and the two ends of the first spring (810) are pressed against the head of the connecting column (85) and the movable slide (83) respectively; A right-angled trapezoidal fixed wedge (86) is fixed on the movable slide plate (83) between the connecting columns (85), and a right-angled trapezoidal movable wedge (87) is abutted on the inclined surface of the fixed wedge (86). A plurality of T-shaped guide columns (89) are fixed on the right end of the movable wedge (87), and a longitudinal limit plate (88) is inserted on the guide column (89). The limit plate (88) is fixed on the front and rear end surfaces of the feed base (4). The guide column (89) is inserted with a second spring. (811), the two ends of the second spring (811) are respectively pressed against the limit plate (88) and the moving wedge (87), the head of the guide column (89) is pressed against the limit plate (88), and the left end of the moving wedge (87) extends out of the left end surface of the moving slide (83) and the fixed wedge (86); a limit block (15) opposite to the moving wedge (87) is fixed on the base (1) on the left side of the loading tube (6), and the limit blocks (15) are distributed on the front and rear sides of the pin (7).

2. The automatic assembly machine for mask adjustment buckles according to claim 1, characterized in that: A horizontal support plate (12) is fixed on the upper end surface of the positioning seat (11).

3. The automatic assembly machine for mask adjustment buckles according to claim 1, characterized in that: The thickness of the stripper plate (9) is equal to the width of the vertical slot (72) on the pin (7), the upper end surface of the stripper plate (9) is located below the slot opening (71), and the length of the vertical slot (72) on the pin (7) is not less than the stroke of the assembly cylinder (13).

4. The automatic assembly machine for mask adjustment buckles according to claim 1, characterized in that: A V-shaped placement groove is formed on the upper end surface of the feed base (4), and the loading tube (6) is inserted into the placement groove of the feed base (4). The right end surface of the loading tube (6) abuts against the baffle (41), and the left end surface of the limiting column sleeve (5) is flush with the right side wall of the feed groove (61) on the loading tube (6).

5. The automatic assembly machine for mask adjustment buckles according to claim 1, characterized in that: The insertion needle (7) is a round rod-shaped needle body, the central axis of the insertion needle (7), the central axis of the loading tube (6) and the central axis of the limiting column sleeve (5) are all on the same straight line, and the aperture of the inner hole of the limiting column sleeve (5) is larger than the diameter of the insertion needle (7).

6. The automatic assembly machine for mask adjustment buckles according to claim 1, characterized in that: The length of the feed slot (61) on the loading tube (6) is smaller than the length of the discharge slot (62).

7. The automatic assembly machine for mask adjustment buckles according to claim 1, characterized in that: The diameter of the inner plug hole (51) on the limiting column sleeve (5) or the diameter of the outer plug hole (63) on the loading tube (6) is larger than the diameter of the pressing column (81). The pressing column (81) is made of an aluminum alloy column. The movable slide plate (83) is formed with an avoidance slot hole opposite to the heating rod (84).

8. The automatic assembly machine for mask adjustment buckles according to claim 7, characterized in that: The center distance between the end of the pressing column (81) and the limiting column sleeve (5) is smaller than the distance between the feed base (4) and the movable slide (83).

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