CN219904843U - Welding mechanism - Google Patents
Welding mechanism Download PDFInfo
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- CN219904843U CN219904843U CN202321090976.3U CN202321090976U CN219904843U CN 219904843 U CN219904843 U CN 219904843U CN 202321090976 U CN202321090976 U CN 202321090976U CN 219904843 U CN219904843 U CN 219904843U
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- swinging piece
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- 238000003466 welding Methods 0.000 title claims abstract description 132
- 238000012856 packing Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000001960 triggered effect Effects 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 210000001503 joint Anatomy 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of packing machines and discloses a welding mechanism which comprises a base, wherein a frame is arranged on the base, and a welding toothed plate is arranged on the base; the welding rack is pivoted with the frame at one end, a welding joint is arranged at the upper side of the welding toothed plate at the other end of the welding rack, and the welding joint can reciprocate in the welding rack under the action of power; the driving mechanism comprises a transmission assembly, the transmission assembly comprises a swinging piece and a connecting assembly which can elastically stretch in the axial direction, the middle part of the swinging piece is rotationally connected with the frame, the upper end of the connecting assembly is rotationally connected with the swinging piece, and the lower end of the connecting assembly is rotationally connected with the welding frame; a first handle and a second handle. The utility model has the beneficial effects of stable structure and convenient use.
Description
Technical Field
The utility model relates to the technical field of packing machines, in particular to a welding mechanism.
Background
The portable packer is a portable packing device which is used for conveniently carrying the portable packer to any place for bundling and packing related articles. The tensioning mechanism can tighten the packing belt after the packing belt bundles objects, then the welding joint descends to tightly press the two layers of packing belts, and under the action of the motor, the welding joint moves back and forth, friction generates heat, so that the packing belts are bonded together through hot melting. However, the welding mechanism in some existing balers is poor in stability and inconvenient to operate, so that poor welding quality is caused.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a welding mechanism with stable structure and convenient use.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a welding mechanism comprises
The base is provided with a frame, and the base is provided with a welding toothed plate;
the welding rack is pivoted with the frame at one end, a welding joint is arranged at the upper side of the welding toothed plate at the other end of the welding rack, and the welding joint can reciprocate in the welding rack under the action of power; and
a driving mechanism arranged on the frame, the driving mechanism comprises
The transmission assembly comprises a swinging piece and a connecting assembly which can elastically stretch in the axial direction, the swinging piece is rotationally connected with the frame, the upper end of the connecting assembly is rotationally connected with the swinging piece, and the lower end of the connecting assembly is rotationally connected with the welding frame;
a first handle pivotally connected to the frame, the first handle configured to drive the swing member to rotate to a limit state such that the welding carriage descends about a pivot to a welding position; and
and the second handle is pivotally connected with the frame and is configured to drive the swinging piece to reversely rotate to release the limit so that the welding frame is lifted and reset to the initial position.
When the welding frame is at the initial position, the two layers of packing belts are positioned between the welding toothed plate and the welding head, the swinging piece is driven to rotate to a limiting state by the first handle, the welding frame drives the welding head to rotate to the welding position, at the moment, the two layers of packing belts are pressed by the welding head, the motor drives the welding head to reciprocate in the welding frame and generate heat through friction, so that the lap joint parts of the packing belts are bonded together through hot melting, and finally, the second handle drives the welding frame (the welding head) to reset to the initial position; the welding mechanism controls the two states of the welding joint through the first handle and the second handle respectively, is very convenient to operate and has a stable overall structure.
Preferably, the middle part of the swinging piece is rotationally connected with the frame, the lower end of the swinging piece is rotationally connected with the connecting component, the upper end of the swinging piece is provided with a pressing rod, and the frame is provided with a pressure-bearing part for limiting the pressing rod; the center point of the compression bar, the rotating point of the swinging piece and the frame and the rotating point of the swinging piece and the connecting component form three vertexes of a triangle; when the first handle drives the swinging piece to rotate until the pressing rod is abutted against the pressure-bearing part, the welding frame descends to a welding position, and moment at two ends of the swinging piece are balanced and are in a static limiting state; when the second handle drives the pressure lever to be separated from the pressure-bearing part, the swinging piece releases the limit, and the welding frame is reset to the initial position.
Preferably, an elastic reset piece is arranged between the welding frame and the base, and when the swing piece releases the limit, the welding frame automatically resets to the initial position under the action of the elastic reset piece.
Preferably, the pressure-bearing part is provided with a pressure-bar limiting groove, a sensor is arranged at the corresponding position of the pressure-bearing part and the pressure bar, when the swinging piece rotates to the point that the pressure bar enters the pressure-bar limiting groove, the sensor is triggered, and then the power drives the welding joint to reciprocate in the welding frame. Only when the sensor is triggered (when signals are generated), the power can drive the welding joint to move, so that the welding joint can move when being positioned at the welding position, and the whole is more stable.
Preferably, the front end of the first handle is rotatably connected with the frame, the lower end of the first handle is provided with a bump, a first tension spring is arranged between the middle part of the first handle and the frame, and under the action of the first tension spring, the bump and the upper end of the swinging piece are always kept in an abutting state.
Preferably, the front end of the second handle is rotatably connected with the stand, a second tension spring is arranged between the middle part of the second handle and the base, a deflector rod is arranged on the side surface of the second handle, and when the pressure rod is in butt joint with the pressure-bearing part, the deflector rod is positioned below the pressure rod; when the rear end of the second handle is lifted, the deflector rod drives the pressing rod to lift upwards so that the swinging piece is released from limit.
Preferably, the connecting assembly comprises an upper joint, a lower joint and a connecting rod, wherein the upper joint is rotationally connected with the lower end of the swinging piece, the lower joint is rotationally connected with the welding frame, one end of the connecting rod is fixedly connected with the upper joint or the lower joint, the other end of the connecting rod is axially and slidably connected with the lower joint or the upper joint, and a pressure spring is sleeved on the outer side of the connecting rod. In the welding position, the moment generated by the reverse acting force of the pressure spring on the swinging member and the moment received by the upper end of the swinging member are mutually offset, so that the swinging member is in a limiting state.
Preferably, a cutter is fixedly arranged on one side of the welding frame, and cuts off the packing belt when the welding frame descends from the initial position to the welding position.
Therefore, the utility model has the beneficial effects of stable structure and convenient use.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a state diagram of the first handle and the swinging member in the initial position.
Fig. 3 is a schematic diagram showing the connection of the transmission assembly and the welding frame in the initial position.
Fig. 4 is a state diagram of the first handle and the swinging member at the welding position.
Fig. 5 is a schematic view showing a state in which the pressing rod abuts against the pressure-bearing portion at the welding position.
Fig. 6 is a schematic diagram of the connection of the swinging member, the connection assembly, and the welding frame.
Fig. 7 is a state diagram of the transmission assembly in an initial position.
Fig. 8 is a state diagram of the transmission assembly in the fusion position.
In the figure: base 1, frame 2, pressure-bearing portion 200, depression bar spacing groove 201, inductor 202, welding toothed plate 3, welding frame 4, elastic resetting piece 40, welding head 5, power 6, eccentric transmission piece 60, driving mechanism 7, transmission assembly 70, swinging piece 700, rotating shaft 7000, depression bar 7001, connection assembly 701, upper joint 7010, lower joint 7011, connecting rod 7012, pressure spring 7013, first handle 71, bump 710, first tension spring 711, second handle 72, second tension spring 720, deflector 721, cutter 8.
Detailed Description
In order to make the technical problems, technical solutions and advantageous technical effects to be solved by the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and a plurality of exemplary embodiments. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
It should be appreciated that the expressions "first", "second", etc. are used herein for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying any particular order of number of technical features indicated. Features defining "first", "second" or "first" may be expressed or implied as including at least one such feature.
The welding mechanism as shown in fig. 1-8 comprises a base 1, wherein a frame 2 is arranged on the base 1, and a welding toothed plate 3 is fixedly arranged on one side of the frame on the base; the welding rack 4, one end of the welding rack 4 is pivotally connected with the frame, a welding joint 5 is arranged at the upper side position of the welding toothed plate at the other end of the welding rack 4, and the welding joint can reciprocate in the welding rack under the action of power 6; and a drive mechanism 7 provided on the frame 2. The power 6 in the embodiment adopts a motor, the welding head 5 is in sliding connection with the welding frame 4, and the shaft end of the motor drives the welding head 5 to reciprocate in the welding frame through an eccentric transmission part 60.
The driving mechanism 7 comprises a transmission assembly 70, the transmission assembly comprises a swinging member 700 and an axially elastically telescopic connecting assembly 701, the middle part of the swinging member 700 is rotationally connected with the frame 2, the upper end of the connecting assembly 701 is rotationally connected with the swinging member 700, and the lower end of the connecting assembly is rotationally connected with the welding frame 4; a first handle 71 pivotally connected to the frame 2, the first handle being configured to drive the swing member to rotate to a limited state such that the welding carriage is lowered about the pivot to a welding position; and a second handle 72 pivotally connected to the frame, the second handle being configured to drive the swing member to reverse rotation to release the limit such that the welding carriage is raised and reset to the initial position. A cutter 8 is fixedly provided at one side of the welding frame 4, and cuts off the packing belt when the welding frame descends from the initial position to the welding position.
As shown in fig. 6-8, the middle part of the swinging member 700 is rotatably connected with the frame through a rotating shaft 7000, the lower end of the swinging member 700 is rotatably connected with the connecting component 701, the upper end of the swinging member is provided with a pressing rod 7001, and the frame is provided with a pressure-bearing part 200 for limiting the pressing rod; the center point of the compression bar, the rotation point of the swinging piece and the frame and the rotation point of the swinging piece and the connecting component form three vertexes of a triangle; when the first handle drives the swinging piece to rotate until the pressing rod is abutted against the pressure-bearing part, the welding frame descends to a welding position, and moment at two ends of the swinging piece are balanced and are in a static limiting state; when the second handle drives the pressure lever to be separated from the pressure-bearing part, the swinging piece releases the limit, and the welding frame is reset to the initial position. An elastic reset piece 40 is arranged between the welding frame 4 and the base 1, and when the swing piece releases the limit, the welding frame automatically resets to the initial position under the action of the elastic reset piece. The elastic restoring member 40 in this embodiment is a compression spring.
The pressure-bearing part 200 is provided with a pressure-bar limiting groove 201, a sensor 202 is arranged at the corresponding position of the pressure-bearing part and the pressure bar, when the swinging piece rotates until the pressure bar enters the pressure-bar limiting groove, the sensor 202 is triggered, and then the motor drives the welding joint to reciprocate in the welding frame; thereby ensuring that the splice will not move in the splice location. The sensor 202 may employ a micro switch, proximity switch, pressure sensor, etc. in some embodiments, micro switch is employed in this embodiment.
The front end of the first handle 71 is rotationally connected with the stand, the lower end of the first handle is provided with a lug 710, a first tension spring 711 is arranged between the middle part of the first handle and the stand, and the lug and the upper end of the swinging piece are always kept in a abutting state under the action of the first tension spring; the front end of the second handle 72 is rotationally connected with the frame, a second tension spring 720 is arranged between the middle part of the second handle and the base, a deflector rod 721 is arranged on the side surface of the second handle, and when the pressure rod is in butt joint with the pressure bearing part, the deflector rod 721 is positioned below the pressure rod 7001; when the rear end of the second handle is lifted, the deflector rod drives the pressing rod to lift upwards so that the swinging piece is released from limit.
As shown in fig. 6 and 7, the connection assembly 701 includes an upper connector 7010, a lower connector 7011, and a connection rod 7012, the upper connector is rotationally connected with the lower end of the swinging member, the lower connector is rotationally connected with the welding frame, one end of the connection rod 7012 is fixedly connected with the upper connector or the lower connector, the other end of the connection rod is axially slidably connected with the lower connector or the upper connector, and a compression spring 7013 is sleeved on the outer side of the connection rod. In this embodiment, the lower end of the connecting rod is fixedly connected with the lower joint through threads, and the upper end of the connecting rod is inserted into the upper joint to form sliding connection.
As shown in fig. 7 and 8, the rotation point between the middle part of the swinging member and the frame is marked as a point a, the rotation point between the swinging member and the connecting assembly (upper joint) is marked as a point B, the center point of the pressing rod is marked as a point D, and the rotation point between the lower end of the connecting assembly (lower joint) and the welding frame is marked as a point C; the state shown in fig. 7 is an initial position, at this time, the point B and the point D are on the same side of the surface where the AC is located, the lower end of the swinging member rotates clockwise under the elastic force of the connecting component until the moment generated by the pressure of the first handle to the upper end of the swinging member (the tension of the first tension spring on the first handle) balances with the moment of the lower end of the swinging member, and at this time, the welding frame is in the initial position shown in fig. 7; when welding, the first handle is pressed down, so that the swinging piece rotates anticlockwise, the point B rotates around the point A and passes through the surface where the AC is located and then rotates to the state shown in fig. 8, the point D is supported by the pressure-bearing part 200 and cannot rotate continuously, the point D and the point B are distributed on two sides of the surface where the AC is located, the moment at two ends of the swinging piece is in a balanced state, the swinging piece cannot rotate continuously and is in a limiting state, the welding frame is in a welding position, the lap joint of the packing belt is tightly pressed by the welding head, the upper packing belt is cut off by the cutter, the sensor is triggered to generate a signal, and then the motor drives the welding head to reciprocate in the welding frame, so that the two layers of lap joint packing belts are welded together; after welding, the second handle is lifted, the deflector rod drives the pressing rod to move upwards, the swinging piece rotates from the state shown in fig. 8 to the state shown in fig. 7, and at the moment, the welding frame is lifted and reset to the initial state.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the upper, lower, left, right, inner, outer, one end, the other end, etc. are based on the orientations or positional relationships shown in the drawings, and are merely for the purpose of more clearly describing the technical solution of the present utility model, and are not meant to indicate or imply that the device or element to be referred to must be provided with a specific direction, be configured and operated in a specific orientation, and should not be construed as limiting the present utility model.
Although specific embodiments of the utility model have been described in detail herein, they are presented for purposes of illustration only and are not to be construed as limiting the scope of the utility model. Various substitutions, alterations, and modifications can be made without departing from the spirit and scope of the utility model.
Claims (8)
1. A welding mechanism comprises
The base is provided with a frame, and the base is provided with a welding toothed plate;
the welding rack is pivoted with the frame at one end, a welding joint is arranged at the upper side of the welding toothed plate at the other end of the welding rack, and the welding joint can reciprocate in the welding rack under the action of power; and
a driving mechanism arranged on the frame, characterized in that the driving mechanism comprises
The transmission assembly comprises a swinging piece and a connecting assembly which can elastically stretch in the axial direction, the swinging piece is rotationally connected with the frame, the upper end of the connecting assembly is rotationally connected with the swinging piece, and the lower end of the connecting assembly is rotationally connected with the welding frame;
a first handle pivotally connected to the frame, the first handle configured to drive the swing member to rotate to a limit state such that the welding carriage descends about a pivot to a welding position; and
and the second handle is pivotally connected with the frame and is configured to drive the swinging piece to reversely rotate to release the limit so that the welding frame is lifted and reset to the initial position.
2. The welding mechanism according to claim 1, wherein the middle part of the swinging member is rotatably connected with the frame, the lower end of the swinging member is rotatably connected with the connecting assembly, the upper end of the swinging member is provided with a pressing rod, and the frame is provided with a pressure-bearing part for limiting the pressing rod; the center point of the compression bar, the rotating point of the swinging piece and the frame and the rotating point of the swinging piece and the connecting component form three vertexes of a triangle; when the first handle drives the swinging piece to rotate until the pressing rod is abutted against the pressure-bearing part, the welding frame descends to a welding position, and moment at two ends of the swinging piece are balanced and are in a static limiting state; when the second handle drives the pressure lever to be separated from the pressure-bearing part, the swinging piece releases the limit, and the welding frame is reset to the initial position.
3. A welding mechanism according to claim 1 or 2, wherein an elastic reset member is provided between the welding frame and the base, and when the swing member is released from the limit, the welding frame is automatically reset to the initial position by the elastic reset member.
4. The welding mechanism according to claim 2, wherein the pressure-bearing portion is provided with a pressure-bar limiting groove, a sensor is arranged at a position corresponding to the pressure-bearing portion and the pressure bar, and when the swinging member rotates until the pressure bar enters the pressure-bar limiting groove, the sensor is triggered, and then the power drives the welding head to reciprocate in the welding frame.
5. The welding mechanism according to claim 1, wherein the front end of the first handle is rotatably connected with the frame, a bump is provided at the lower end of the first handle, a first tension spring is provided between the middle part of the first handle and the frame, and under the action of the first tension spring, the bump and the upper end of the swinging member are always kept in an abutting state.
6. The welding mechanism according to claim 2, wherein the front end of the second handle is rotatably connected with the frame, a second tension spring is arranged between the middle part of the second handle and the base, a deflector rod is arranged on the side surface of the second handle, and the deflector rod is positioned below the deflector rod when the pressure rod is abutted with the pressure bearing part; when the rear end of the second handle is lifted, the deflector rod drives the pressing rod to lift upwards so that the swinging piece is released from limit.
7. The welding mechanism according to claim 1, wherein the connecting assembly comprises an upper joint, a lower joint and a connecting rod, the upper joint is rotationally connected with the lower end of the swinging member, the lower joint is rotationally connected with the welding frame, one end of the connecting rod is fixedly connected with the upper joint or the lower joint, the other end of the connecting rod is axially and slidably connected with the lower joint or the upper joint, and the outer side of the connecting rod is sleeved with a pressure spring.
8. A welding mechanism according to claim 1, wherein a cutter is fixedly provided at one side of the welding frame, and cuts off the packing belt when the welding frame is lowered from the initial position to the welding position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321090976.3U CN219904843U (en) | 2023-05-05 | 2023-05-05 | Welding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321090976.3U CN219904843U (en) | 2023-05-05 | 2023-05-05 | Welding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219904843U true CN219904843U (en) | 2023-10-27 |
Family
ID=88427551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321090976.3U Active CN219904843U (en) | 2023-05-05 | 2023-05-05 | Welding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219904843U (en) |
-
2023
- 2023-05-05 CN CN202321090976.3U patent/CN219904843U/en active Active
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