CN212400392U - Pull belt device - Google Patents
Pull belt device Download PDFInfo
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- CN212400392U CN212400392U CN202020287088.0U CN202020287088U CN212400392U CN 212400392 U CN212400392 U CN 212400392U CN 202020287088 U CN202020287088 U CN 202020287088U CN 212400392 U CN212400392 U CN 212400392U
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- belt
- guide rail
- drawstring
- clamping
- movable
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Abstract
The utility model discloses a drawstring device, which comprises a drawstring base, a guide rail arranged on the drawstring base, a fixed clamping belt component, a movable drawstring component and a drawstring driving component; the pull belt driving assembly is provided with a synchronous belt and a driving unit for driving the synchronous belt to move along the parallel direction of the guide rail; the movable drawstring component is provided with a first clamping belt mechanism and a guide rail adapting part, the movable drawstring component is arranged on the synchronous belt to displace along with the synchronous belt, and the guide rail adapting part slides along the guide rail; the fixed clamping belt assembly is correspondingly positioned at one end of the guide rail and is provided with a second clamping belt mechanism; therefore, the movable drawstring component is arranged on the synchronous belt, the synchronous belt is used as a power carrier, and the guide rail adapting part of the movable drawstring component slides along the guide rail, so that the operation is accurate and stable, the length of the drawstring can be controlled more accurately, and the size consistency of the ear belt of the mask is good; the draw belt device is good in controllability and extremely low in failure rate, and is beneficial to operation of automatic ear belt welding equipment.
Description
Technical Field
The utility model belongs to the technical field of the gauze mask production facility and specifically relates to indicate a stretching strap device, it mainly is applied to on the ear area welding machine.
Background
The mask mainly comprises a mask body and an ear band, and in the prior art, a mask body manufacturing machine is usually used for manufacturing the mask body when the mask is manufactured, and then a rubber band ear band is welded on the mask body by an ear band welding machine; on the ear strap welding machine, need cut into the size length of setting for as required to the ear strap, press from both sides again and get the ear strap section welding that cuts to the gauze mask body on. Among the prior art, when pulling out the ear area, the phenomenon appears rocking easily, influences the accurate accuse to ear area length, on the one hand, influences the size uniformity of gauze mask ear area, and on the other hand influences the action that follow-up link was for example tailor, was got to press from both sides and goes on, leads to equipment failure rate higher, limitation ear area welding overall efficiency.
Therefore, in the present invention, the applicant has studied a new technical solution to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to the disadvantages of the prior art, and a primary object of the present invention is to provide a strap device, which installs a movable strap assembly on a synchronous belt and uses the synchronous belt as a power carrier, and slides along a guide rail by means of a guide rail adapting portion of the movable strap assembly, thereby ensuring accurate and stable operation, more accurately controlling the length of the strap, and ensuring good dimensional uniformity of ear straps of a mask; the draw belt device is good in controllability and extremely low in failure rate, and is beneficial to operation of automatic ear belt welding equipment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a drawstring device comprises a drawstring base, a guide rail, a fixed belt clamping assembly, a movable drawstring assembly and a drawstring driving assembly, wherein the guide rail is arranged on the drawstring base; wherein:
the pull belt driving assembly is provided with a synchronous belt and a driving unit for driving the synchronous belt to move along the parallel direction of the guide rail;
the movable drawstring component is provided with a first clamping mechanism and a guide rail adapting part, the movable drawstring component is arranged on the synchronous belt to move along with the synchronous belt, and the guide rail adapting part slides along the guide rail;
the fixed clamping component is correspondingly positioned at one end of the guide rail and is provided with a second clamping mechanism.
Preferably, the first clamping mechanism and the second clamping mechanism are provided with clamping belt parts and clamping cylinders for controlling the clamping belt parts to open and close.
As a preferred scheme, two ends of the drawstring base are respectively provided with a driving wheel, and two ends of the synchronous belt are sleeved on the corresponding driving wheels.
As a preferable scheme, a first mounting groove is formed in the pull strip base, and the first mounting groove extends in the direction perpendicular to the guide rail.
As a preferable scheme, a stroke sensing switch is arranged on the pull belt base, the movable pull belt assembly is provided with a trigger part, and the trigger part slides along with the movable pull belt assembly to trigger the stroke sensing switch, so that the movable pull belt assembly stops sliding.
Preferably, the stroke sensor switch has a second mounting groove extending in the same direction as the guide rail.
As an optimal scheme, the drawstring base, the guide rails, the fixed clamping belt assemblies, the movable drawstring assemblies and the drawstring driving assemblies are provided with two groups, the two groups are arranged in parallel at intervals along the direction perpendicular to the guide rails, and the two groups of driving wheels at one ends are connected in a synchronous transmission mode through the connecting shafts.
As a preferred scheme, the movable drawstring assembly comprises a sliding seat, the guide rail adapting part is arranged at the lower end of the sliding seat, the synchronous belt penetrates through the sliding seat and is fixed through a pressing sheet, and the first clamping mechanism is arranged on the sliding seat in an adjustable position along the direction vertical to the guide rail.
As a preferred scheme, the fixed clamping belt assembly comprises a fixed seat fixed relative to the pull belt base, the synchronous belt penetrates through the fixed seat, and the second clamping belt mechanism is arranged on the fixed seat in an adjustable position along the direction perpendicular to the guide rail.
As a preferred scheme, the lower end of the fixing seat is concavely provided with a positioning groove, and the guide rail penetrates through the positioning groove.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely speaking, according to the technical scheme, the utility model mainly uses the synchronous belt as a power carrier by installing the movable drawstring component on the synchronous belt, and slides along the guide rail by means of the guide rail adapting part of the movable drawstring component, thereby ensuring accurate and stable operation, more accurately controlling the length of the drawstring and ensuring good size consistency of the ear belt of the mask; the draw belt device is good in controllability and extremely low in failure rate, and is beneficial to operation of automatic ear belt welding equipment.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic structural view of an ear strap welding machine according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a strap-up device of an ear strap welding machine according to an embodiment of the present invention;
FIG. 3 is a top view of a drawstring apparatus according to an embodiment of the present invention;
FIG. 4 is an enlarged partial view of FIG. 2;
fig. 5 is another partially enlarged view of fig. 2.
The attached drawings indicate the following:
Fixed strap component 203 and movable strap component 204
Pull belt drive assembly 205 synchronous belt 206
The first entrainment mechanism 207 guide rail adapter 208
Connecting shaft 215 sliding seat 216
The pressing plate 217 is fixed on the base 218.
Detailed Description
Fig. 1 to 5 show specific structures of embodiments of the present invention.
A drawstring device comprises a drawstring base 201, a guide rail 202 arranged on the drawstring base 201, a fixed entrainment component 203, a movable drawstring component 204 and a drawstring driving component 205; wherein:
the pull belt driving assembly 205 is provided with a synchronous belt 206 and a driving unit for driving the synchronous belt 206 to displace along the parallel direction of the guide rail 202; the two ends of the pull belt base 201 are respectively provided with a driving wheel 210, and the two ends of the synchronous belt 206 are sleeved on the corresponding driving wheels 210. In this embodiment, stretching strap base 201, guide rail 202, fixed smuggle subassembly 203, activity stretching strap subassembly 204, stretching strap drive assembly 205 secretly all are provided with two sets ofly, and two sets ofly arrange along perpendicular guide rail 202 direction parallel interval, and two sets of one end drive wheel 210 realizes synchronous transmission through connecting axle 215 and connects, so, conveniently carries out the stretching strap, cuts and the welding to the left and right side ear area of same gauze mask body. The connecting shaft 215 can be driven and connected by a servo motor, and the controllability is good. The draw tape base 201 is provided with a first mounting groove 211, and the first mounting groove 211 extends along the direction perpendicular to the guide rail 202, so that the distance between the two groups of draw tape devices can be adjusted as required.
The movable drawstring assembly 204 has a first clamping mechanism 207 and a guide rail adapting part 208, the movable drawstring assembly 204 is mounted on the synchronous belt 206 to displace along with the synchronous belt 206, and the guide rail adapting part 208 slides along the guide rail 202; the fixed entrainment assembly 203 is correspondingly located at one end of the guide rail 202, the fixed entrainment assembly 203 having a second entrainment mechanism 209. The first clamping mechanism 207 and the second clamping mechanism 209 are provided with clamping belt parts and clamping cylinders for controlling the clamping belt parts to open and close. The clamping part of the first clamping mechanism 207 is composed of two clamping heads which are horizontally arranged in an opening and closing way; the clamping part of the second clamping mechanism 209 is composed of two clamping heads which are vertically opened and closed, the two clamping heads are in an upward convex and downward concave design, the concave position of the clamping head at the lower side is used for the ear belt to pass through, the upward convex part at the lower end of the clamping head at the upper side extends into the concave position and is positioned above the ear belt, when the two clamping heads are opened, a yielding groove is formed for the ear belt to pass through freely, when the two clamping heads are closed, the upward convex part is pressed on the upper side of the ear belt to position the ear belt, and the ear belt cannot move.
The pull belt base 201 is provided with a travel sensing switch 212, the movable pull belt assembly 204 is provided with a trigger part 213, and the trigger part 213 slides along with the movable pull belt assembly 204 to trigger the travel sensing switch 212, so that the movable pull belt assembly 204 stops sliding. The stroke sensing switch 212 is provided with a second mounting groove 214, and the second mounting groove 214 extends in the same direction as the guide rail 202, so that the mounting position of the stroke sensing switch 212 can be adjusted, which is equivalent to adjusting the stroke of the pull belt and controlling the length of the pull belt.
As shown in fig. 2 to 4, the movable pulling belt assembly 204 includes a sliding seat 216, the guide rail adapting portion 208 is disposed at a lower end of the sliding seat 216, the timing belt 206 passes through the sliding seat 216 and is fixed by a pressing plate 217, and the first clamping mechanism 207 is installed on the sliding seat 216 in an adjustable position along a direction perpendicular to the guide rail 202.
Referring to fig. 2, 3 and 5, the fixing clamping assembly 203 includes a fixing seat 218 fixed in position relative to the pulling belt base 201, the timing belt 206 passes through the fixing seat 218, and the second clamping mechanism 209 is installed on the fixing seat 218 in a position adjustable along the direction perpendicular to the guide rail 202. The lower end of the fixing base 218 is concavely provided with a positioning groove, and the guide rail 202 passes through the positioning groove.
Next, the operation of the strap pulling device of the present embodiment will be described in general:
the ear belt is usually delivered to the second clamping mechanism 209 after being unreeled and guided, and the ear belt passes through a position between two clamping heads of the second clamping mechanism 209 and extends out of the front side of a small section of clamping mechanism 209; at this time, the two clamping heads of the second clamping mechanism 209 are in a closed state;
the first clamping mechanism 207 is displaced towards the second clamping mechanism 209 along with the walking belt 206, and after the first clamping mechanism 207 is in place, the two clamping heads of the first clamping mechanism 207 are opened and then closed to clamp the belt heads; then, the two clamping heads of the second clamping mechanism 209 are opened, the two clamping heads of the first clamping mechanism 207 clamp the belt heads to move forward, and the displacement is stopped when the belt heads are pulled to a set length, and normally, the trigger part 213 triggers the stroke induction switch 212, so that the movable belt pulling assembly 204 stops sliding; at this time, the two jaws of the second clamping mechanism 209 close to clamp the rear end of the ear band;
the ear belt clamping mechanism moves to the belt pulling device to clamp the front end and the rear end of the ear belt respectively;
the shearing mechanism which is positioned at the position of the second clamping mechanism 209 and is slightly in front of the position descends and shears the rear end of the ear band; at the same time, the two jaws of the first entrainment mechanism 207 are opened; thus, the ear belt clamping mechanism clamps and transfers the ear belt with the set length to the welding station.
Thus, after one cycle of action, a small segment of the tape head is exposed at the front side of the second clamping mechanism 209 for the next cycle of action to pull the tape.
The utility model is mainly characterized in that the movable drawstring component is arranged on the synchronous belt, the synchronous belt is used as a power carrier, and the guide rail adapting part of the movable drawstring component slides along the guide rail, so that the operation is ensured to be accurate and stable, the length of the drawstring can be controlled more accurately, and the size consistency of the ear belt of the mask is good; the draw belt device is good in controllability and extremely low in failure rate, and is beneficial to operation of automatic ear belt welding equipment.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. A drawstring apparatus, characterized by: comprises a drawstring base (201), a guide rail (202) arranged on the drawstring base (201), a fixed entrainment component (203), a movable drawstring component (204) and a drawstring driving component (205); wherein:
the pull belt driving assembly (205) is provided with a synchronous belt (206) and a driving unit for driving the synchronous belt (206) to displace along the parallel direction of the guide rail (202);
the movable drawstring component (204) is provided with a first clamping mechanism (207) and a guide rail adapting part (208), the movable drawstring component (204) is arranged on the synchronous belt (206) to move along with the synchronous belt (206), and the guide rail adapting part (208) slides along the guide rail (202);
the fixed clamping belt assembly (203) is correspondingly positioned at one end of the guide rail (202), and the fixed clamping belt assembly (203) is provided with a second clamping belt mechanism (209).
2. The draw tape apparatus of claim 1, further comprising: the first clamping mechanism (207) and the second clamping mechanism (209) are respectively provided with a clamping belt part and a clamping cylinder for controlling the clamping belt part to open and close.
3. The draw tape apparatus of claim 1, further comprising: the two ends of the pull belt base (201) are respectively provided with a driving wheel (210), and the two ends of the synchronous belt (206) are sleeved on the corresponding driving wheels (210).
4. The draw tape apparatus of claim 1, further comprising: the pull belt base (201) is provided with a first mounting groove (211), and the first mounting groove (211) extends along the direction of the vertical guide rail (202).
5. The draw tape apparatus of claim 1, further comprising: the pull belt base (201) is provided with a travel sensing switch (212), the movable pull belt assembly (204) is provided with a trigger part (213), and the trigger part (213) slides along with the movable pull belt assembly (204) to trigger the travel sensing switch (212), so that the movable pull belt assembly (204) stops sliding.
6. The draw tape apparatus of claim 5, further characterized by: the travel sensing switch (212) is provided with a second mounting groove (214), and the second mounting groove (214) extends in the same direction with the guide rail (202).
7. A draw tape apparatus as set forth in claim 3 wherein: the pull belt base (201), the guide rails (202), the fixed clamping belt assemblies (203), the movable pull belt assemblies (204) and the pull belt driving assemblies (205) are provided with two groups, the two groups are arranged in parallel at intervals along the direction perpendicular to the guide rails (202), and the two groups of one-end driving wheels (210) are connected in a synchronous transmission mode through the connecting shafts (215).
8. The draw tape apparatus of claim 1, further comprising: the movable pull belt assembly (204) comprises a sliding seat (216), the guide rail adapting part (208) is arranged at the lower end of the sliding seat (216), the synchronous belt (206) penetrates through the sliding seat (216) and is fixed through a pressing sheet (217), and the first clamping mechanism (207) is arranged on the sliding seat (216) in an adjustable position along the direction vertical to the guide rail (202).
9. The draw tape apparatus of claim 1, further comprising: the fixed clamping belt assembly (203) comprises a fixed seat (218) fixed in position relative to the pull belt base (201), the synchronous belt (206) penetrates through the fixed seat (218), and the second clamping belt mechanism (209) is arranged on the fixed seat (218) in an adjustable position along the direction perpendicular to the guide rail (202).
10. The draw tape apparatus as set forth in claim 9, wherein: the lower end of the fixed seat (218) is concavely provided with a positioning groove, and the guide rail (202) penetrates through the positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020287088.0U CN212400392U (en) | 2020-03-10 | 2020-03-10 | Pull belt device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020287088.0U CN212400392U (en) | 2020-03-10 | 2020-03-10 | Pull belt device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212400392U true CN212400392U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020287088.0U Active CN212400392U (en) | 2020-03-10 | 2020-03-10 | Pull belt device |
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| Country | Link |
|---|---|
| CN (1) | CN212400392U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113733570A (en) * | 2021-09-09 | 2021-12-03 | 四川大学 | Mechanical spacing separation device |
-
2020
- 2020-03-10 CN CN202020287088.0U patent/CN212400392U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113733570A (en) * | 2021-09-09 | 2021-12-03 | 四川大学 | Mechanical spacing separation device |
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