Automatic film covering equipment for lamp tubes

Abstract

The present invention relates to the field of electric light source product production equipment, and more specifically, it relates to an automatic film covering equipment for lamp tubes, and the technical key points are: comprising a traction film covering device, the traction film covering device comprising a first conveying mechanism for carrying explosion-proof film and lamp tubes with film covering completed, and the traction mechanism is provided with a traction rod for traction of the lamp tube film covering; an explosion-proof film cutting and conveying device for cutting the explosion-proof film and conveying the cut explosion-proof film to a designated position of the first conveying mechanism; and an automatic tube conveying device arranged on the conveying direction side of the first conveying mechanism. The present invention can realize automatic film covering of lamp tubes, has the advantages of reducing labor intensity, improving production efficiency, large-scale production, and improving film covering quality.

Description

Technical Field

[0001] The invention relates to the field of electric light source product production equipment, and more specifically, to an automatic film covering equipment for lamp tubes. Background Art

[0002] As we all know, traditional incandescent lamps are gradually being replaced by cold light energy-saving lamps due to their high energy consumption and huge heat generation. The appearance and size of LED lamps are the same as those of traditional fluorescent lamps. In addition, LED lamps can be used for a long time without replacement, reducing labor costs. LED lamps have become emerging lighting fixtures. In order to protect the lamps and prevent stains on the surface of the lamps during transportation, production, and storage, or the lamps burst, a layer of explosion-proof film needs to be put on the outside of the lamps.

[0003] At present, the explosion-proof film covering lamp tubes is mostly done manually by workers. First, the explosion-proof film is cut into appropriate lengths and transported to the designated location for placement. Next, the film opening is opened, one end of the lamp tube is inserted into the explosion-proof film, and then the explosion-proof film is pulled to the other end to complete the film covering work for a lamp tube. Finally, the explosion-proof film is transported to the designated location for placement, and the above work is repeated over and over again.

[0004] The above scheme has defects: high labor intensity, low production efficiency, low degree of automation, high production cost, slow manual operation speed, low production efficiency, poor dimensional stability of manually cut explosion-proof membrane, and often causes waste of materials and low work efficiency, so it needs to be improved. Summary of the invention

[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a traction-type film covering device, which can realize automatic film covering of lamp tubes, has the advantages of reducing labor intensity, improving production efficiency, large-scale production, and improving film covering quality.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions: A lamp tube automatic film covering device, comprising:

[0007] The traction film covering device comprises a first conveying mechanism and a traction mechanism, wherein the first conveying mechanism is used to carry the explosion-proof film and the lamp tube covered with the film, the traction mechanism is arranged on one side of the first conveying mechanism, and the traction mechanism is provided with a traction rod for traction of the lamp tube film covering;

[0008] The explosion-proof film cutting and conveying device is arranged on one side of the first conveying mechanism, and is used for cutting the explosion-proof film and conveying the cut explosion-proof film to a designated position of the first conveying mechanism.

[0009] The automatic tube feeding device is arranged on one side of the first conveying mechanism, and the automatic tube feeding device and the traction mechanism are arranged on two opposite side surfaces.

[0010] In one of the embodiments, the traction-type film covering device further comprises an auxiliary beam mechanism mounted on the first conveying mechanism, the auxiliary beam mechanism is provided with a suction cup group and an explosion-proof film positioning group corresponding to positions, and the suction cup group is installed on a side close to the traction mechanism.

[0011] In one embodiment, the end of the traction rod pointing to the first conveying mechanism is a straight-line tip, and the straight-line tip end is provided with two round holes for positioning the lamp tube when it is inserted, and the other end is cylindrical. The traction rod gradually changes from a straight-line tip to a cylindrical shape.

[0012] In one of the embodiments, a vent hole is provided inside the traction rod, and the vent hole blows air into the explosion-proof membrane through the straight-shaped tip.

[0013] In one of the embodiments, the explosion-proof film cutting and feeding device includes a support platform, which includes a base plate and two side plates spaced apart on the surface of the base plate, an explosion-proof film reel is rotatably arranged between the two side plates, an inner cavity is arranged on the end surface of the support platform away from the explosion-proof film reel, and the inner cavity is provided with a pushing pressure wheel group and a cutter connected to a piston pressure cylinder, and the pushing pressure wheel group is composed of an upper pressure wheel and a lower pressure wheel that interfere with each other.

[0014] In one of the embodiments, the lower pressure wheel is connected to the driving motor through a rotating chain, height adjustment knobs are threadedly connected to both ends of the upper pressure wheel, and the lower pressure wheel is electrically connected to the piston pressure cylinder through a controller, and the controller is used to record the number of revolutions of the lower pressure wheel and calculate the length of the conveyed explosion-proof membrane.

[0015] In one embodiment, the automatic tube feeding device includes a second conveying mechanism, which is used to carry the lamp tube and push the glass lamp tube to a specified position. The second conveying mechanism is provided with a lifting and positioning mechanism that can be raised and lowered. A third conveying mechanism that can reciprocate along the axis of the beam is provided on the support beam above the second conveying mechanism. The third conveying mechanism is provided with a manipulator for grabbing the side end of the lamp tube, which is used to push the lifted lamp tube toward the traction film covering device to move and cover the explosion-proof film.

[0016] In one embodiment, the second conveying mechanism is provided with a lamp tube accommodating groove for clamping the glass lamp tube, and the lamp tube accommodating groove includes two groove walls perpendicular to the second conveying mechanism, and the groove wall height at the front end along the rotation direction of the second conveying mechanism is smaller than the groove wall height at the rear end.

[0017] In one embodiment, the tube inlet end of the automatic tube feeding device is also connected to a lamp tube dispensing device, which is provided with a conveyor belt for conveying the lamp tube to the second conveying mechanism and an extension plate for carrying the lamp tube and tilted downwardly from the conveyor belt.

[0018] In one embodiment, the traction-type film sleeve device, the explosion-proof film cutting and feeding device and the automatic pipe feeding device are electrically connected to a control controller, and the controller is used to control the linkage operation among the traction-type film sleeve device, the explosion-proof film cutting and feeding device and the automatic pipe feeding device.

[0019] In summary, the present invention has the following beneficial effects:

[0020] Firstly, the present invention can realize the movement of the lamp tube between different machines and can adjust the height according to the height difference between adjacent machines. The device can continuously complete a series of actions of film cutting, tube feeding and film covering to automatically complete the production of lamp tube covering explosion-proof film;

[0021] Secondly, the machine can automatically cut the explosion-proof film and transport it to the designated location for placement, so as to cut the explosion-proof film products efficiently and quickly, thus improving efficiency and ensuring the quality of the final product;

[0022] Thirdly, a traction rod is provided, one end of which is a straight tip, so that the sleeve opening can be stretched to form a tube shape, which can be directly sleeved on the lamp tube, thereby reducing labor intensity and improving production efficiency. It has the advantages of saving labor, improving production efficiency and increasing the flat rate in the process of lamp tube production and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a top view of the present invention;

[0024] Figure 2 It is a stereogram of the present invention;

[0025] Figure 3 It is a right side view of the traction type film covering device of the present invention;

[0026] Figure 4 It is a three-dimensional diagram of the traction mechanism in the traction type film covering device of the present invention;

[0027] Figure 5 It is a front view of the auxiliary beam mechanism in the traction type film covering device of the present invention;

[0028] Figure 6 This is a left view of the explosion-proof film cutting and feeding device of the present invention;

[0029] Figure 7 yes Figure 6 The cross-sectional view along the AA direction;

[0030] Figure 8 It is a three-dimensional diagram of the automatic tube feeding device of the present invention;

[0031] Fig. 9 It is a front view of the automatic tube feeding device of the present invention;

[0032] Fig.10 yes Fig. 9 The cross-sectional view along the BB direction;

[0033] Fig.11 It is a left view of the pull lamp tube dispensing device of the present invention.

[0034] In the figure: 1. traction type film covering device; 11. first conveying mechanism; 12. traction mechanism; 121. traction rod; 13. auxiliary beam mechanism; 131. suction cup group; 132. explosion-proof film positioning group; 2. explosion-proof film cutting and feeding device; 21. support platform; 211. side plate; 22. explosion-proof film reel; 23. pressure wheel group; 231. upper pressure wheel; 232. lower pressure wheel; 24. cutter; 25. rotating chain; 26. driving motor; 27. piston pressure cylinder; 28. height adjustment button; 3. automatic tube feeding device; 31. second conveying mechanism; 32. lifting and positioning mechanism; 33. third conveying mechanism; 331. manipulator; 34. lamp tube accommodating slot; 4. lamp tube dispensing device; 41. extension plate; 42. conveyor belt. DETAILED DESCRIPTION

[0035] The present invention is described in detail below in conjunction with the accompanying drawings and embodiments.

[0036] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0037] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, unless otherwise clearly and specifically defined.

[0038] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0040] Combination Figure 1-Figure 4 , a lamp tube automatic film covering device, comprising:

[0041] The traction film covering device 1 comprises a first conveying mechanism 11 and a traction mechanism 12. The first conveying mechanism 11 is used to carry the explosion-proof film and the lamp tube covered with the film. The traction mechanism 12 is arranged on one side of the first conveying mechanism 11. The traction mechanism 12 is provided with a traction rod 121 for traction of the lamp tube film covering.

[0042] The explosion-proof film cutting and conveying device 2 is arranged at one side of the first conveying mechanism 11 , and is used for cutting the explosion-proof film and conveying the cut explosion-proof film to a designated position of the first conveying mechanism 11 .

[0043] The automatic tube delivery device 3 is arranged on the side of the first conveying mechanism 11 facing away from the traction mechanism 12. Specifically, the traction type film covering device 1 also includes an auxiliary beam mechanism 13 mounted on the first conveying mechanism 11, and the auxiliary beam mechanism 13 is provided with a suction cup group 131 and an explosion-proof film positioning group 132 corresponding to the position, and the suction cup group 131 is installed on the side close to the traction mechanism 12.

[0044] like Figure 5 As shown, through the above scheme, when the explosion-proof membrane reaches the specified position, the suction cup group 131 opens one end of the explosion-proof membrane, which is convenient for the traction rod 121 to be inserted into the explosion-proof membrane to fully open the explosion-proof membrane. The explosion-proof membrane positioning group 132 is provided with a circular hole for supporting the cylindrical explosion-proof and fixing the position of the explosion-proof membrane, which is convenient for the lamp tube to be inserted into the explosion-proof membrane.

[0045] Specifically, the end of the traction rod 121 pointing to the first conveying mechanism 11 is a straight-line tip, and the straight-line tip end is provided with two round holes for positioning the lamp tube when it is inserted, and the other end is cylindrical. The traction rod 121 gradually changes from a straight-line tip to a cylindrical shape.

[0046] Through the above scheme, the straight tip is easier to insert into the explosion-proof membrane than the round head of the cylinder. Of course, the tip can also be a conical tip or an irregular tip, whichever is easy to insert. At the same time, when the traction rod 121 and the lamp tube move synchronously, the two pins at one end of the lamp tube are inserted into the two round holes to further fix the lamp tube.

[0047] Specifically, a vent hole is provided inside the traction rod 121, and the vent hole blows air into the explosion-proof membrane through a straight-shaped tip.

[0048] Through the above scheme, after the translation rod moves into the explosion-proof membrane, the vent hole blows air from the straight-line tip toward the explosion-proof membrane to assist in expanding the explosion-proof membrane in the moving direction of the straight-line tip.

[0049] Specifically, the explosion-proof film cutting and feeding device 2 includes a support platform 21, which includes a bottom plate and two side plates 211 spaced apart on the bottom plate surface, an explosion-proof film reel 22 is rotatably arranged between the two side plates 211, an inner cavity is arranged on the end face of the support platform 21 away from the explosion-proof film reel 22, and a pushing pressure wheel group 23 and a cutter 24 connected to a piston pressure cylinder 27 are arranged in the inner cavity, and the pushing pressure wheel group 23 is composed of an upper pressure wheel 231 and a lower pressure wheel 232 which conflict with each other.

[0050] like Figure 6-Figure 7 As shown, through the above scheme, when it is necessary to cut and deliver the explosion-proof membrane, the explosion-proof membrane reel 22 that has been equipped with the explosion-proof membrane is placed on the support platform 21 on the explosion-proof membrane cutting and delivering device 2, and the explosion-proof membrane is pulled through the middle of the upper pressure wheel 231 and the lower pressure wheel 232 and placed under the cutter 24. The pressure wheel group 23 is started, and the upper pressure wheel 231 and the lower pressure wheel 232 are rotated, and the explosion-proof membrane is pulled out from under the cutter 24. When the required length is reached, the cutter 24 performs cutting work to cut off the explosion-proof membrane, thereby completing the cutting and delivering of the explosion-proof membrane.

[0051] As an optimization, the lower pressure wheel 232 is connected to the driving motor 26 through a rotating chain 25, and the height adjustment buttons 28 are threadedly connected at both ends of the upper pressure wheel 231. The lower pressure wheel 232 is electrically connected to the piston pressure cylinder 27 through a controller. The controller is used to record the number of revolutions of the lower pressure wheel 232 and calculate the length of the conveyed explosion-proof membrane.

[0052] Through the above scheme, the controller is used to calculate the number of revolutions of the lower pressure wheel 232 to obtain the length of the explosion-proof membrane. When the required length of the explosion-proof membrane is obtained, the cutter 24 is controlled to perform cutting, thereby obtaining explosion-proof membranes of qualified and completely identical lengths.

[0053] Specifically, the automatic tube feeding device 3 includes a second conveying mechanism 31, which is used to carry the lamp tube and push the glass lamp tube to a specified position. A lifting and positioning mechanism 32 that can be raised and lowered is arranged in the second conveying mechanism 31. A third conveying mechanism 33 that can reciprocate along the axial direction of the beam is arranged on the support beam above the second conveying mechanism 31. The third conveying mechanism is provided with a manipulator 331 for grabbing the side end of the lamp tube, which is used to push the lifted lamp tube toward the traction film covering device 1 to move it into the explosion-proof film.

[0054] like Figure 8-Figure 10 As shown, through the above scheme, the lamp is transported to the vertical bottom of the manipulator 331 through the second conveying mechanism 31 on the automatic tube feeding device 3, the lifting and positioning mechanism 32 rises upward, and the lamp tube is lifted up to the same horizontal plane position of the manipulator 331 when passing through the second conveying mechanism 31. The manipulator 331 grabs one end of the lamp tube and moves toward the second conveying mechanism 31 to insert the lamp tube into the explosion-proof membrane.

[0055] As an optimization, a lamp tube accommodating groove 34 for clamping the glass lamp tube is provided on the second conveying mechanism 31. The lamp tube accommodating groove 34 has two groove walls perpendicular to the second conveying mechanism 31. The groove wall height at the front end along the rotation direction of the second conveying mechanism 31 is smaller than the groove wall height at the rear end.

[0056] Through the above scheme, the groove wall of the lamp tube accommodating groove 34 located at the rear end of the rotation direction of the second conveying mechanism 31 is higher. When the lamp tube is transported through the inclined surface, the long groove wall can better protect the lamp tube inside it and prevent the lamp tube from being damaged by escaping from the lamp tube accommodating groove 34 due to the action of gravity.

[0057] Specifically, a lamp tube dispensing device 4 is connected to the tube inlet end of the traction type film covering mechanism 1, and the lamp tube dispensing device 4 is provided with a conveyor belt 42 connected to the second conveying mechanism 31 and used for conveying the lamp tubes, and an extension plate 41 for carrying the lamp tubes and inclined downwardly to the conveyor belt 42.

[0058] The tube inlet end of the automatic tube feeding device 3 is also connected to a lamp tube dispensing device 4 , which is provided with a conveyor belt 42 for conveying the lamp tubes to the second conveying mechanism 31 and an extension plate 41 for carrying the lamp tubes and tilted downwardly from the conveyor belt 42 .

[0059] like Fig.11 As shown, through the above scheme, the lamp tube is driven by its own gravity on the extension plate 41 which is inclined downward to the conveyor belt 42 to slide toward the conveyor belt 42. The lamp tube enters the conveyor belt 42 from the input end of the conveyor belt 42, climbs and descends with the conveyor belt 42, and slides out from the output end to enter the second conveying mechanism 31. This mode of transportation solves the problem of workers manually transporting the lamp tubes and reduces the labor intensity of the workers.

[0060] Specifically, the traction film sleeve device 1, the explosion-proof film cutting and feeding device 2 and the automatic tube feeding device 3 are electrically connected to a control controller, and the controller is used to control the linkage operation among the traction film sleeve device, the explosion-proof film cutting and feeding device 2 and the automatic tube feeding device 3.

[0061] Through the above scheme, the controller links the work between the three devices, which on the one hand ensures the smoothness of the work between the devices, and on the other hand can control other devices to stop working in time when a problem occurs in a device.

[0062] The implementation principle of this embodiment:

[0063] Step 1: The explosion-proof film cutting and feeding device 2 straightens the entire roll of flat explosion-proof film sleeve to a certain length, cuts it, and sends it to a designated position on the work station board of the first conveying mechanism 11, and then the first conveying mechanism 11 conveys the film to the film sleeve working position, and the first conveying mechanism 11 stops running;

[0064] Step 2: The automatic tube delivery device 3 arranged on the right side of the first delivery mechanism 11 delivers the lamp tube to a position relative to the film sleeve working position, and is lifted up and positioned by the lifting and positioning mechanism;

[0065] Step three, the traction rod 121 in the traction film covering device 1 is inserted into the left port of the explosion-proof film at the film covering working position in step one, moves to the right to penetrate and stretch the entire explosion-proof film and then stops running. Afterwards, the lamp tube that reaches the relative position in step two is pushed to dock with the two positioning holes at the end of the traction rod 121 in the traction film covering device 1: the traction rod 121 withdraws from the explosion-proof film tube to the left, and the automatic tube feeding device 3 pushes the lamp tube to enter from the right end of the explosion-proof film to the left synchronously until the lamp tube film covering is completed, and the traction rod 121 returns to the starting point of the left end of the traction mechanism 12 to complete a round of film covering action, and the first conveying mechanism 11 is started to repeat the previous work process. Step one and step two can be performed simultaneously, and there is no order of precedence. The present invention adopts a three-station design, and three lamp tubes can be covered at the same time each time.

[0066] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. 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, which 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. An automatic film covering device for lamp tubes, characterized in that: include: The traction film covering device comprises a first conveying mechanism and a traction mechanism, wherein the first conveying mechanism is used to carry the explosion-proof film and the lamp tube covered with the film, the traction mechanism is arranged on one side of the first conveying mechanism, and the traction mechanism is provided with a traction rod for traction of the lamp tube film covering; An explosion-proof film cutting and conveying device, arranged on one side of the first conveying mechanism, for cutting the explosion-proof film and conveying the cut explosion-proof film to a designated position of the first conveying mechanism; An automatic tube feeding device is arranged on one side of the first conveying mechanism, and the automatic tube feeding device and the traction mechanism are arranged on two opposite sides; The end of the traction rod pointing to the first conveying mechanism is a straight tip, and the straight tip end is provided with two round holes for positioning the lamp tube when it is inserted, and the other end is cylindrical, and the traction rod gradually changes from a straight tip to a cylindrical shape, and a vent hole is provided inside the traction rod, and the vent hole blows air into the explosion-proof membrane through the straight tip; The explosion-proof film cutting and feeding device comprises a support platform, the support platform comprises a bottom plate and two side plates arranged at intervals on the surface of the bottom plate, an explosion-proof film reel is rotatably arranged between the two side plates, an inner cavity is arranged on the end surface of one end of the support platform away from the explosion-proof film reel, a push pressure wheel group and a cutter connected to a piston pressure cylinder are arranged in the inner cavity, and the push pressure wheel group consists of an upper pressure wheel and a lower pressure wheel that conflict with each other; The lower pressing wheel is connected to the driving motor through a rotating chain, the two ends of the upper pressing wheel are threadedly connected with height adjustment knobs, and the lower pressing wheel is electrically connected to the piston pressure cylinder through a controller, and the controller is used to record the number of revolutions of the lower pressing wheel and calculate the length of the conveyed explosion-proof film; The traction rod can reciprocate in the horizontal direction to penetrate and open the explosion-proof membrane. The automatic tube feeding device is used to push the lamp tube to align with the circular hole and push the lamp tube into the opened explosion-proof membrane.

2. The automatic film covering device for lamp tubes as claimed in claim 1, characterized in that: The traction type film covering device also includes an auxiliary beam mechanism mounted on the first conveying mechanism, the auxiliary beam mechanism is provided with a suction cup group and an explosion-proof film positioning group with corresponding positions, and the suction cup group is installed on a side close to the traction mechanism.

3. The automatic film covering device for lamp tubes as claimed in claim 1, characterized in that: The automatic tube feeding device includes a second conveying mechanism, which is used to carry the lamp tube and push the glass lamp tube to a specified position. The second conveying mechanism is provided with a lifting and positioning mechanism that can be raised and lowered. A third conveying mechanism that can reciprocate along the axial direction of the beam is provided on the support beam above the second conveying mechanism. The third conveying mechanism is provided with a manipulator for grabbing the side end of the lamp tube, which is used to push the lifted lamp tube to the traction film covering device to move it into the explosion-proof film.

4. The automatic film covering device for lamp tubes as claimed in claim 3, characterized in that: The second conveying mechanism is provided with a lamp tube accommodating groove for clamping the glass lamp tube. The lamp tube accommodating groove has two groove walls perpendicular to the second conveying mechanism. The groove wall height at the front end along the rotation direction of the second conveying mechanism is smaller than the groove wall height at the rear end.

5. The automatic film covering device for lamp tubes as claimed in claim 1, characterized in that: The tube inlet end of the automatic tube feeding device is also connected to a lamp tube dispensing device, which is provided with a conveyor belt for conveying the lamp tube to the second conveying mechanism and an extension plate for carrying the lamp tube and tilted downwardly from the conveyor belt.

6. The automatic film covering device for lamp tubes according to any one of claims 1 to 5, characterized in that: The traction film covering device, the explosion-proof film cutting and feeding device and the automatic tube feeding device are electrically connected to a controller, and the controller is used to control the linkage operation among the traction film covering device, the explosion-proof film cutting and feeding device and the automatic tube feeding device.

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