CN220259839U - Zero dead weight pressure welding device - Google Patents
Zero dead weight pressure welding device Download PDFInfo
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- CN220259839U CN220259839U CN202322812916.4U CN202322812916U CN220259839U CN 220259839 U CN220259839 U CN 220259839U CN 202322812916 U CN202322812916 U CN 202322812916U CN 220259839 U CN220259839 U CN 220259839U
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- 238000003466 welding Methods 0.000 title claims abstract description 60
- 230000005484 gravity Effects 0.000 claims abstract description 11
- 230000006378 damage Effects 0.000 abstract description 6
- 208000027418 Wounds and injury Diseases 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 5
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a zero dead weight pressure welding device, which belongs to the technical field of welding equipment and comprises: the vertical foundation piece, the telescopic device and the balance elastic piece are arranged on the foundation piece, the pressure head is vertically and slidably arranged on the foundation piece, the acting force of the telescopic device on the pressure head is upward, and the balance elastic piece is arranged between the pressure head and the foundation piece; when the pressure head is in a non-working state, the telescopic device and the balance elastic piece are used for balancing the gravity of the pressure head, when the pressure head is in a working state, the balance elastic piece is gradually compressed on the basis of the non-working state to provide welding pressure for the pressure head, and the welding pressure starts from zero, so that the problems of product pressure injury, poor welding and the like are avoided.
Description
Technical Field
The utility model relates to the technical field of welding equipment, in particular to a zero-dead-weight pressure welding device.
Background
Pressure welding is used as an excellent welding process and is widely applied to the 3C industry and the panel industry.
At present, most pressure welding devices cannot start from zero to the pressure of products, and cannot monitor the pressure in real time, so that the dead weight of the mechanism and impulse during movement easily cause overpressure to the products. In this way, in the pressure welding process, the pressure cannot be realized from zero, and the problems of product pressure injury, poor welding effect and the like are caused. To the above-mentioned problem, some use the spring to offset the mechanism dead weight, change along with displacement change spring compression volume can produce the change, and then lead to the unstable, the registration of manometer and the inconsistent problem of product actual atress of elasticity.
Disclosure of Invention
Aiming at the defects, the technical problems to be solved by the utility model are as follows: a zero-dead-weight pressure welding device for starting product pressure from zero is provided.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
a zero dead weight pressure welding apparatus comprising: the device comprises a vertical base piece, a telescopic device and a balance elastic piece, wherein the telescopic device and the balance elastic piece are arranged on the base piece, a pressure head is vertically and slidably arranged on the base piece, the acting force of the telescopic device on the pressure head is upward, and the balance elastic piece is arranged between the pressure head and the base piece;
and in the working state, the balance elastic piece is gradually compressed on the basis of the non-working state to provide welding pressure for the pressure head, and the welding pressure starts from zero.
Preferably, the telescopic device pushes the pressure head upwards, the balance elastic piece is located above the pressure head, the base piece is provided with a first supporting piece, and the balance elastic piece is located between the pressure head and the first supporting piece.
Preferably, the first support is vertically slidably mounted on the base member, and the position of the first support is adjustable.
Preferably, the base member is fixedly provided with an elongated hole member, the elongated hole member is provided with a vertical elongated hole, and a bolt passing through the elongated hole is in threaded connection with the first support member.
Preferably, the base member is installed an adjusting member and a second support member, the adjusting member is located first support member top and butt in first support member is last, the second support member is located first support member below and be equipped with between the two and adjust the elastic component.
Preferably, the adjusting member is a micrometer.
Preferably, a tension pressure sensor is arranged on the first supporting piece, the balance elastic piece is located between the pressure head and the tension pressure sensor, and the tension pressure sensor is used for detecting the elasticity of the balance elastic piece.
Preferably, the telescopic device pulls the ram upwards, and the balance elastic member is located above the ram.
Preferably, the pressure head is fixed with a tension pressure sensor, the telescopic device pulls the tension pressure sensor upwards, and the balance elastic piece is located between the tension pressure sensor and the base piece.
Preferably, the telescopic device is a cylinder or an oil cylinder.
After the technical scheme is adopted, the utility model has the beneficial effects that:
the zero-dead-weight pressure welding device comprises a vertical base piece, a telescopic device and a balance elastic piece, wherein the telescopic device and the balance elastic piece are arranged on the base piece; when the pressure head is in a non-working state, the telescopic device and the balance elastic piece are used for balancing the gravity of the pressure head, when the pressure head is in a working state, the balance elastic piece is gradually compressed on the basis of the non-working state to provide welding pressure for the pressure head, and the welding pressure starts from zero, so that the problems of product pressure injury, poor welding and the like are avoided.
Drawings
FIG. 1 is a schematic perspective view of a first embodiment of a zero dead weight pressure welding apparatus according to the present utility model;
FIG. 2 is a schematic perspective view of the component parts of FIG. 1 with parts removed;
FIG. 3 is a schematic view showing a front view of a first embodiment of the zero-dead-weight pressure welding apparatus of the present utility model;
FIG. 4 is a schematic perspective view of a second embodiment of the zero dead weight pressure welding apparatus of the present utility model;
FIG. 5 is a schematic diagram showing a front view of a second embodiment of the zero-dead-weight pressure welding apparatus of the present utility model;
in the figure: 1. a base plate; 2. a pressure head; 3. a cylinder; 4. balance the helical spring; 5. a guide rail; 6. a pressure head mounting plate; 7. a first support plate; 8. an elongated orifice plate; 81. an elongated hole; 9. a micrometer; 10. a second support plate; 11. adjusting a threaded spring; 12. a pull pressure sensor; 13. a first cylinder block; 14. and a second cylinder block.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
As shown collectively in fig. 1-3, a zero-dead-weight pressure welding apparatus includes: the vertical foundation piece and locate telescoping device and balanced elastic component on the foundation piece, the foundation piece is the installation basis, like foundation board 1, foundation base or foundation support etc. pressure head 2 vertical slidable mounting is on foundation board 1, telescoping device upwards pushes away pressure head 2, balanced elastic component is located pressure head 2's top and locates between pressure head 2 and the foundation board 1. The telescopic device is preferably an air cylinder 3 or an oil cylinder, the pressure of a rod cavity and a rodless cavity of the air cylinder 3 and the oil cylinder are kept constant, the acting force on the pressure head 2 can be kept constant, a first air cylinder seat 13 is fixed on the base plate 1, and the air cylinder 3 is arranged on the first air cylinder seat 13. The balancing elastic member is preferably a balancing coil spring 4, a balancing rubber spring, a balancing elastic sleeve, or the like.
When the welding machine is in a non-working state, the air cylinder 3 and the balance coil spring 4 are used for balancing the gravity of the pressure head 2, when the welding machine is in a working state, the pressure head 2 contacts a product to be welded, the balance coil spring 4 is gradually compressed on the basis of the non-working state to provide welding pressure for the pressure head 2, and the welding pressure starts from zero, so that the problems of product compression injury, poor welding and the like are avoided.
The vertical guide rail 5 is fixed on the foundation plate 1, the guide rail 5 is connected with a sliding block in a sliding mode, the sliding block is fixed with the pressure head mounting plate 6, and the pressure head 2 is mounted on the pressure head mounting plate 6.
The stress analysis of the point A (the abutting point of the air cylinder 3 and the pressure head mounting plate 6) is carried out, G represents the gravity of the pressure head 2, F Bullet Representing the spring force, F Cylinder Representing the force of the cylinder 3 on the slide, F Pressing Representing the welding pressure of the ram 2 on the product, F Pressure reversal Representing the reaction force of the product against the ram 2, F Pressing =F Pressure reversal 。
In the non-working state, G+F Bullet 1 =F Cylinder ； ------1-1
In the working state, G+F Bullet 2 =F Cylinder +F Pressure reversal ； ------1-2
Gravity G applied to the pressure head 2 and acting force F of the cylinder on the sliding block Cylinder Invariably, derived from formulas 1-1 and 1-2:
F pressing = F Pressure reversal =F Bullet 2 - F Bullet 1 。
When the non-working state is changed into the working state, the moment when the pressure head 2 starts to contact the product still meets the formula 1-1, and at the moment, F Pressing =0, as the ram 2 continues to descend, the balance coil spring 4 gradually compresses on the basis of the non-operating state, F Pressing Is gradually increased from zero, F Bullet Kx (k represents the modulus of elasticity of the spring, x represents the amount of elastic deformation of the spring), due to F Bullet 1 Is constant, thus F Pressing The magnitude of (2) is linearly and steplessly varied depending on the amount of compression of the balance coil spring 4.
The base plate 1 is provided with a first support member, such as a first support plate 7, a first support seat, a first support frame, or the like, and the balance coil spring 4 is provided between the indenter 2 and the first support plate 7.
Further, the first support plate 7 is slidably mounted on the guide rail 5, and the position of the first support plate 7 is adjustable. The first supporting plate 7 is arranged at different positions, the compression amounts of the balance coil springs 4 are different, different welding pressures are provided, and the welding requirements of different products are met.
In the illustrated embodiment, the base plate 1 is fixedly provided with an elongated orifice member, such as an elongated orifice plate 8, an elongated orifice seat or an elongated orifice block, etc., the elongated orifice plate 8 is provided with a vertical elongated orifice 81, and a bolt passing through the elongated orifice 81 is screwed with the first support plate 7. When the position of the first support plate 7 is adjusted, the bolts are loosened, the first support plate 7 is vertically moved to a designated position, and then the bolts are tightened to lock the position of the first support plate 7. As a further embodiment, the first support plate 7 may also be fixed by a clamp or a press plate.
Still further, the foundation plate 1 is provided with an adjusting member and a second supporting member, the adjusting member is located above the first supporting plate 7 and is abutted on the first supporting plate 7, and the second supporting member is located below the first supporting plate 7 and is provided with an adjusting elastic member therebetween. The adjusting member is preferably a micrometer 9 or a bolt with precise threads, the second supporting member is preferably a second supporting plate 10, a second supporting seat or a second supporting frame, etc., and the adjusting elastic member is preferably an adjusting threaded spring 11, an adjusting rubber spring or an adjusting elastic sleeve, etc. When the position of the first supporting plate 7 is adjusted, the bolt is unscrewed, and when the micrometer 9 is rotated, the micrometer 9 pushes the first supporting plate 7 to vertically move to a designated position, then the bolt is screwed, and the position of the first supporting plate 7 is locked.
In order to realize the monitoring of the welding pressure, a tension pressure sensor 12 is arranged on the first supporting plate 7, the balance coil spring 4 is positioned between the pressure head mounting plate 6 and the tension pressure sensor 12, and the tension pressure sensor 12 is used for detecting the elasticity of the balance coil spring 4. Before welding, the pull pressure sensor 12 detects F Bullet 1 During welding, the tension and pressure sensor 12 can monitor the elastic force of the balance coil spring 4 in real time, namely F Bullet 2 Size of F (F) Bullet 1 Is constant and thus can pass through F Bullet 2 Monitoring welding pressure in real time and preventing excessive pressure from causing productionAnd the product is damaged, so that the welding yield is ensured.
Example two
As shown in fig. 4 and 5 together, a vertical guide rail 5 is fixed on the base plate 1, the guide rail 5 is slidably connected with a slide block, the slide block is fixed with a pressure head mounting plate 6, the pressure head 2 is mounted on the pressure head mounting plate 6, the air cylinder 3 pulls the pressure head 2 upwards, and the balance coil spring 4 is located above the pressure head 2.
When the welding machine is in a non-working state, the air cylinder 3 and the balance coil spring 4 balance the gravity of the pressure head 2 together, when in a working state, the pressure head 2 contacts a product to be welded, the balance coil spring 4 is gradually compressed on the basis of the non-working state to provide welding pressure for the pressure head 2, and the welding pressure starts from zero, so that the problems of product compression injury, poor welding and the like are avoided.
The pressure head 2 is fixed with a tension pressure sensor 12, the air cylinder 3 and the balance coil spring 4 are positioned above the tension pressure sensor 12, the air cylinder 3 pulls the tension pressure sensor 12 upwards and then pulls the pressure head 2 upwards, the base plate 1 is fixed with a second air cylinder seat 14, the air cylinder 3 is arranged on the second air cylinder seat 14, and the balance coil spring 4 is positioned between the tension pressure sensor 12 and the second air cylinder seat 14.
Stress analysis was performed on the point B (the connection point of the cylinder 3 and the tension-pressure sensor 12) and the point C (the connection point of the tension-pressure sensor 12 and the ram mounting plate 6). G represents the gravity of the indenter 2, F Bullet Representing the spring force, F Pulling device Representing the tension of the cylinder 3 to the tension pressure sensor 12, F Sensor for detecting a position of a body Representing the force applied by the pull pressure sensor 12 to the ram mounting plate 6, F Pressing Representing the welding pressure of the ram 2 on the product, F Pressure reversal Representing the reaction force of the product against the ram 2, F Pressing =F Pressure reversal 。
When in a non-working state:
point B, F Pulling device =G+F Bullet 1 -------2-1
Point C, F Sensor 1 =G -------2-2
The working state is as follows:
point B, F Pulling device +F Pressure reversal =G+F Bullet 2 -------2-3
Point C, F Sensor 2 =G-F Pressure reversal -------2-4
Gravity G applied to the ram 2 and tension F applied to the tension sensor 12 by the cylinder 3 Pulling device Invariably, derived from formulas 2-1 and 2-3:
F pressing = F Pressure reversal =F Bullet 2 -F Bullet 1
From formulas 2-2 and 2-4:
F pressing = F Pressure reversal = F Sensor 2 - F Sensor 1
When the non-working state is changed into the working state, the moment when the pressure head 2 starts to contact the product still meets the formulas 2-1 and 2-2, at the moment, F Pressing =0, as the ram 2 continues to descend, the balance coil spring 4 gradually compresses on the basis of the non-operating state, F Pressing Is gradually increased from zero, F Bullet Kx (k represents the modulus of elasticity of the spring, x represents the amount of elastic deformation of the spring), due to F Bullet 1 Is constant, thus F Pressing The magnitude of (2) is linearly and steplessly varied depending on the amount of compression of the balance coil spring 4. During welding, the tension and pressure sensor 12 can monitor the acting force F of the pressure head mounting plate 6 to the tension and pressure sensor 12 in real time Sensor 2 ，F Sensor 1 Is constant and thus can pass through F Sensor 2 And the welding pressure is monitored in real time, so that the damage to products caused by overlarge pressure is prevented, and the welding yield is ensured.
The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.
Claims (10)
1. A zero dead weight pressure welding device, comprising: the device comprises a vertical base piece, a telescopic device and a balance elastic piece, wherein the telescopic device and the balance elastic piece are arranged on the base piece, a pressure head is vertically and slidably arranged on the base piece, the acting force of the telescopic device on the pressure head is upward, and the balance elastic piece is arranged between the pressure head and the base piece;
and in the working state, the balance elastic piece is gradually compressed on the basis of the non-working state to provide welding pressure for the pressure head, and the welding pressure starts from zero.
2. The zero-dead-weight pressure welding apparatus according to claim 1, wherein the expansion device pushes the ram upward, the balance elastic member is located above the ram, the base member is provided with a first support member, and the balance elastic member is located between the ram and the first support member.
3. The zero-dead-weight pressure welding apparatus of claim 2, wherein the first support member is vertically slidably mounted to the base member, and wherein the position of the first support member is adjustable.
4. A zero gravity pressure welding apparatus as claimed in claim 3 wherein said base member is fixedly mounted with an elongated orifice member, said elongated orifice member being provided with a vertically elongated orifice, a bolt passing through said elongated orifice being threadedly connected to said first support member.
5. A zero gravity pressure welding device according to claim 3 wherein the base member is provided with an adjustment member and a second support member, the adjustment member being located above and abutting the first support member, the second support member being located below the first support member with an adjustment resilient member therebetween.
6. The zero-gravity pressure welding device of claim 5, wherein the adjustment member is a micrometer.
7. The zero-dead-weight pressure welding apparatus according to claim 2, wherein the first support member is provided with a tension pressure sensor, the balance elastic member is located between the pressure head and the tension pressure sensor, and the tension pressure sensor is configured to detect an elastic force of the balance elastic member.
8. The zero gravity pressure welding device of claim 1, wherein the telescoping device pulls the ram upward and the balancing spring is located above the ram.
9. The zero-gravity pressure welding device according to claim 8, wherein the pressure head is fixed with a pull pressure sensor, the expansion device pulls the pull pressure sensor upward, and the balance elastic member is located between the pull pressure sensor and the base member.
10. The zero-dead-weight pressure welding apparatus of claim 1, wherein the telescoping device is a cylinder or ram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322812916.4U CN220259839U (en) | 2023-10-20 | 2023-10-20 | Zero dead weight pressure welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322812916.4U CN220259839U (en) | 2023-10-20 | 2023-10-20 | Zero dead weight pressure welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220259839U true CN220259839U (en) | 2023-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322812916.4U Active CN220259839U (en) | 2023-10-20 | 2023-10-20 | Zero dead weight pressure welding device |
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| Country | Link |
|---|---|
| CN (1) | CN220259839U (en) |
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2023
- 2023-10-20 CN CN202322812916.4U patent/CN220259839U/en active Active
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