CN209850201U - Butt spot welding tool clamp for water heater enamel inner container barrel body end socket - Google Patents
Butt spot welding tool clamp for water heater enamel inner container barrel body end socket Download PDFInfo
- Publication number
- CN209850201U CN209850201U CN201920199162.0U CN201920199162U CN209850201U CN 209850201 U CN209850201 U CN 209850201U CN 201920199162 U CN201920199162 U CN 201920199162U CN 209850201 U CN209850201 U CN 209850201U
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- China
- Prior art keywords
- barrel body
- fixed
- guide
- cylinder
- spot welding
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- Expired - Fee Related
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- 238000003466 welding Methods 0.000 title claims abstract description 21
- 210000003298 dental enamel Anatomy 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims abstract description 16
- 210000001503 joint Anatomy 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Abstract
The utility model relates to a butt joint spot welding frock clamp for water heater enamel inner bag ladle body head belongs to an anchor clamps frock. The technical scheme is as follows: the outer peripheral surface of the fixed cylinder body is provided with a cone body which surrounds the back surface for one circle for positioning, one end of the fixed cylinder body is fixed on the rack, the other end of the fixed cylinder body is provided with a plurality of tensioning slide blocks which are in a fan-shaped annular shape, the plurality of tensioning slide blocks are spliced into a cylindrical shape, the spring groove is in an annular shape and is embedded into the annular tension spring, the inner peripheral surface of each tensioning slide block is an arc-shaped surface, the arc-shaped surfaces of the tensioning slide blocks forming the cylinder form a hollow cone, the hollow cone faces outwards, a conical tensioning core is arranged in the hollow cone, the end part of the conical tensioning core is connected with a pull. This device carries out effectual inside with the staving structure and fixes, and the effectual ladle body that avoids outside centre gripping to lead to warp, and it is convenient to save time than the fixing method with the hoop originally, and the butt joint precision of ladle body and head is high, and the error is little.
Description
Technical Field
The utility model relates to a butt joint spot welding frock clamp for water heater enamel inner bag ladle body head belongs to an anchor clamps frock.
Background
The barrel body of the enamel inner container of the water heater is of a metal barrel structure, and spot welding positioning is usually carried out firstly when the end socket of the end part is welded. Need to fix cylindric barrel to the spot welding location of earlier stage, then the spot welding is carried out again to the location head, carries out a week complete weld again. Due to the fact that the cylinder is large in size and is a thin-wall metal sheet, under the required welding precision, deformation of the cylinder needs to be avoided for fixing the cylinder, otherwise, the welding precision error is large.
The conventional fixing mode of the cylinder is clamping and fixing at the outside, but the problem of cylinder deformation can occur in the clamping of a thin-wall structure, so that a technician considers that the cylinder is combined with the outside from the inside or only clamped by an internal tool so as to avoid the cylinder deformation.
Disclosure of Invention
The invention provides a butt spot welding tool clamp for an enamel liner barrel body end socket of a water heater, which solves the problem that a thin-wall metal barrel body is deformed due to conventional clamping.
In order to achieve the purpose, the invention adopts the technical scheme that:
a butt-joint spot welding tool fixture for an enamel liner barrel body end socket of a water heater comprises a fixed barrel body, wherein the outer peripheral surface of the fixed barrel body is provided with a cone which surrounds the rear surface for one circle for positioning, one end of the fixed barrel body is fixed on a rack, the other end of the fixed barrel body is provided with a plurality of tensioning slide blocks, the tensioning slide blocks are in a fan-shaped annular shape, the plurality of tensioning slide blocks are spliced into a cylindrical shape, the outer peripheral surface of each tensioning slide block is provided with a spring groove, the spring grooves on the tensioning slide blocks spliced into the cylindrical shape are annular and are embedded into annular tension springs, the inner peripheral surfaces of the tensioning slide blocks are arc-shaped surfaces, the arc-shaped surfaces of the tensioning slide blocks forming the cylindrical shape form a hollow cone shape, the hollow cone shape faces towards the outside, a cone-.
Preferably, the outer end of the fixed cylinder body is provided with a guide disc with a through hole in the middle, the end face of the guide disc is provided with guide grooves corresponding to the number of the tensioning slide blocks, the guide grooves extend from the middle to the edge along a radius line, the end face of each tensioning slide block is provided with a guide protrusion, the guide protrusions are embedded into the guide grooves and slide along the guide wire grooves, the guide grooves are dovetail grooves, and the cross sections of the corresponding guide protrusions are the same as the cross sections of the guide grooves.
Preferably, the guide disc protrudes into the fixed cylinder body from the end face of the fixed cylinder body, the conical expansion core is provided with a cylindrical guide shaft towards the fixed cylinder body, and the guide shaft is connected with the linear pulling mechanism from a middle through hole of the guide disc.
Still further preferably, the fixing cylinder is provided with a fixing screw hole at the end, the fixing screw hole is positioned at the position of the through hole protruding structure of the guide disc towards the fixing cylinder, and the screw is screwed into the fixing screw hole to fix the guide disc.
Preferably, the maximum outer diameter position of the cone positioning is provided with an inwards concave right-angle groove, the right-angle groove is arranged along the circumference of the cone positioning conical surface, one inner side surface of the right-angle groove is concentric with the fixed cylinder body and is provided with a screw positioning hole, one end of the to-be-processed cylinder body is placed into the right-angle groove and is propped against the other inner side surface of the right-angle groove, and the screw positioning hole is provided with a screw to position and fix the cone on the outer peripheral surface of the.
Preferably, the linear pulling mechanism is a cylinder, the cylinder is fixed in the frame, and a piston of the cylinder is connected with the conical expansion core.
Further preferably, the fixed cylinder is horizontally arranged and fixed on the vertical side face of the rack, the air cylinder is fixed on the vertical side face inside the rack, and the center of the air cylinder is collinear with the center line of the fixed cylinder.
The utility model has the advantages that: the device effectively and internally struts and fixes the metal cylinder structure, effectively avoids the deformation of the cylinder body caused by external clamping, saves time and is convenient compared with the original fixing method using a hoop, and has high butting precision of the cylinder body and the end socket and small error;
the sliding expanding structure is adopted to realize the internal expanding structure, and the stability of pure machinery is high during work;
the positioning device is provided with a cone body capable of adjusting the position, is suitable for positioning the cylinders with various structural length sizes, and has good adaptability;
the cylinder is used as a power source, is a common safe power source in the flow line production and has high working speed.
Drawings
Figure 1 is a structural diagram of the cylinder body of the utility model when not fixed,
figure 2 is a structural diagram of the fixing of the cylinder body of the utility model,
figure 3 is an end view of the guide plate of the present invention,
figure 4 is a cross-sectional view of figure 3,
FIG. 5 is an end view of the cylindrical tensioning slide block of the present invention,
fig. 6 is a cross-sectional view of fig. 5.
Reference numerals:
1. the barrel body, 2, the fixed barrel body, 3, the tensioning slide block, 4, the conical expansion core, 5, the frame, 6, the cylinder, 7, the guide disc, 8, the spring groove, 9, the spring, 10, the cone positioning, 11, the guide groove, 12, the guide bulge, 13, the guide shaft, 14, the fixed screw hole, 15, the right-angle groove, 16, the pull rod, 16, the arc surface, 17 and the end enclosure.
Detailed Description
The specific structure of the present invention will be further explained below,
a butt-joint spot welding tooling fixture for an enamel liner barrel body end socket of a water heater comprises a fixed barrel body 2, the peripheral surface of the fixed barrel body 2 is provided with a cone positioning part 10 which surrounds one circle of the rear surface, one end of the fixed barrel body 2 is fixed on a rack 5, the other end of the fixed barrel body 2 is provided with a plurality of tensioning sliders 3, the tensioning sliders 3 are in a fan-shaped ring shape, the tensioning sliders 3 are spliced into a cylinder shape, the peripheral surface of each tensioning slider 3 is provided with a spring 9 groove 8, the spring 9 grooves 8 on the tensioning sliders 3 spliced into the cylinder shape are in a ring shape and are embedded into an annular tension spring, the inner peripheral surface of each tensioning slider 3 is an arc-shaped surface, the arc-shaped surfaces of the tensioning sliders 3 forming the cylinder form a hollow cone shape, the hollow cone shape faces the outside, a cone-shaped expanding core 4 is arranged in the hollow cone shape, the end part of.
The outer side end of the fixed cylinder 2 is provided with a guide disc 7 with a through hole in the middle, the end face of the guide disc 7 is provided with guide grooves 11 corresponding to the number of the tensioning sliders 3, the guide grooves 11 extend from the middle to the edge along a radius line, the end face of the tensioning slider 3 is provided with guide protrusions 12, and the guide protrusions 12 are embedded into the guide grooves 11 and slide along the wire guide grooves.
The guide disc 7 protrudes towards the fixed cylinder 2 at the end face of the fixed cylinder 2, the conical expansion core 4 is provided with a cylindrical guide shaft 13 towards the fixed cylinder 2, and the guide shaft 13 is connected with the linear pulling mechanism from a middle through hole of the guide disc 7.
The end of the fixed cylinder 2 is provided with a fixed screw hole which is positioned at the position of the through hole protruding structure of the guide disc 7 towards the fixed cylinder 2, and the guide disc 7 is fixed by screwing the screw into the fixed screw hole.
The biggest external diameter position of cone location 10 establishes the right angle groove 15 of indent, and right angle groove 15 is along cone location 10's conical surface a week, and a medial surface and the fixed barrel 2 of right angle groove 15 are concentric and open the screw locating hole, and the ladle body one end of treating processing is put into this right angle inslot 15 and is supported by another medial surface in right angle groove 15, and the screw locating hole is established the screw and is fixed cone location 10 on the outer peripheral face of fixed barrel 2.
The linear pulling mechanism is a cylinder 6, the cylinder 6 is fixed in the frame 5, and a piston of the cylinder 6 is connected with the conical expansion core 4.
The fixed cylinder 2 is horizontally arranged and fixed on the vertical side face of the rack 5, the air cylinder 6 is fixed on the vertical side face inside the rack 5, and the center of the air cylinder 6 is collinear with the center line of the fixed cylinder 2. The guide groove 11 is a dovetail groove, and the cross section of the corresponding guide protrusion 12 is the same as the cross section of the guide groove 11.
The utility model discloses a working process:
1. adjusting the initial position of the tensioning slide block, starting an air source, extending a piston plug of the air cylinder, driving a pull rod and a conical tensioning core to move to the outermost end by the piston, pulling the tensioning slide block to move towards the middle by an annular tension spring, and moving the tensioning slide block to the innermost position along the direction of the radius line of the guide disc due to the matching action of a guide bulge of the tensioning slide block and a guide groove of the guide disc;
2. installing a barrel body, penetrating the barrel body into the fixed barrel body, and placing the barrel body into a right-angle groove for positioning a cone at the inner side end of the fixed barrel body to ensure that the barrel body and the fixed barrel body are concentric;
3. the barrel body is fixed, the air source is started again, the piston rod of the air cylinder retracts, the piston rod pulls the pull rod and the conical expansion core to move inwards, the conical surface of the conical expansion core is in contact with the arc-shaped surface of the expansion sliding block, the expansion sliding block is pushed outwards by the conical expansion core moving leftwards, cylinders formed by the expansion sliding block are dispersed, finally the outer peripheral surface of the expansion sliding block is in contact with the inner peripheral surface of the barrel body, the inner peripheral surface of the barrel body is supported by the expansion sliding blocks in all directions, the barrel body reaches the maximum diameter and does not move outwards, the air cylinder stops working, the barrel body is internally fixed at the end part, the end socket is positioned, the end socket is spot-welded along the circumference of the end part of the barrel body.
4. Starting an air source, extending a piston plug of an air cylinder, driving a pull rod and a conical expansion core to move to the outermost end by a piston, driving a tension slider to move towards the middle under the pulling of an annular tension spring, moving the tension slider to the innermost position along the radial line direction of a guide disc under the matching action of a guide bulge of the tension slider and a guide groove of the guide disc, taking down a barrel body and a seal head which are welded in the previous step, mounting the barrel body to be welded again, sequentially executing 1-3 steps, and carrying out the assembly line operation of the barrel body spot welding seal head.
Claims (8)
1. A butt-joint spot welding tool clamp for a water heater enamel liner barrel body end socket is characterized by comprising a fixed barrel body (2), wherein the outer peripheral surface of the fixed barrel body (2) is provided with cone positioning bodies (10) which are wound around the back surface for one circle, one end of the fixed barrel body (2) is fixed on a rack (5), the other end of the fixed barrel body (2) is provided with a plurality of tensioning slide blocks (3), each tensioning slide block (3) is in a fan-shaped ring shape, the tensioning slide blocks (3) are spliced into a cylinder shape, the outer peripheral surface of each tensioning slide block (3) is provided with a spring (9) groove (8), the spring (9) grooves (8) on the tensioning slide blocks (3) which are spliced into a cylinder are in a ring shape and are embedded into an annular tension spring, the inner peripheral surface of each tensioning slide block (3) is an arc-shaped surface, the arc-shaped surface of each tensioning slide block (3), the end part of the conical expansion core (4) is connected with a pull rod (16), and the pull rod (16) passes through the fixed cylinder body (2) and is connected with a linear pulling mechanism in the rack (5).
2. The butt spot welding tooling fixture for the enamel liner barrel body end socket of the water heater as claimed in claim 1, wherein the outer side end of the fixed barrel body (2) is provided with a guide disc (7) with a through hole in the middle, the end surface of the guide disc (7) is provided with guide grooves (11) corresponding to the number of the tensioning sliders (3), the guide grooves (11) extend along a radius line from the middle to the edge, the end surface of the tensioning sliders (3) is provided with guide protrusions (12), and the guide protrusions (12) are embedded in the guide grooves (11) and slide along a wire guide groove.
3. The butt spot welding tooling clamp for the water heater enamel inner container barrel body seal head as claimed in claim 2, characterized in that the guide disc (7) protrudes into the fixed barrel body (2) at the end surface of the fixed barrel body (2), the conical expansion core (4) is provided with a cylindrical guide shaft (13) towards the fixed barrel body (2), and the guide shaft (13) is connected with the linear pulling mechanism from a middle through hole of the guide disc (7).
4. The butt spot welding tooling clamp for the enamel liner barrel body end socket of the water heater as claimed in claim 3, wherein the end part of the fixing barrel body (2) is provided with a fixing screw hole, the fixing screw hole is positioned at the position of the structure that the guide disc (7) protrudes towards the through hole of the fixing barrel body (2), and a screw is screwed into the fixing screw hole to fix the guide disc (7).
5. The butt spot welding tooling fixture for the water heater enamel liner barrel head as claimed in claim 1, wherein the maximum outer diameter position of the cone positioning (10) is provided with an inward concave right-angle groove (15), the right-angle groove (15) is arranged along the circumference of the conical surface of the cone positioning (10), one inner side surface of the right-angle groove (15) is concentric with the fixed barrel (2) and is provided with a screw positioning hole, one end of the barrel to be machined is placed in the right-angle groove (15) and is supported by the other inner side surface of the right-angle groove (15), and the screw positioning hole is provided with a screw to fix the cone positioning (10) on the outer circumferential surface of the fixed barrel (2).
6. The butt spot welding tooling clamp for the water heater enamel inner container barrel body seal head as claimed in claim 1, characterized in that the linear pulling mechanism is a cylinder (6), the cylinder (6) is fixed in a frame (5), and a piston of the cylinder (6) is connected with the conical expansion core (4).
7. The butt spot welding tooling clamp for the water heater enamel inner container barrel head as claimed in claim 6, characterized in that the fixed barrel (2) is horizontally arranged and fixed on the vertical side surface of the frame (5), the cylinder (6) is fixed on the vertical side surface inside the frame (5), and the center of the cylinder (6) is collinear with the center line of the fixed barrel (2).
8. The butt spot welding tooling clamp for the water heater enamel inner container barrel body end socket is characterized in that the guide groove (11) is a dovetail groove, and the cross section of the corresponding guide bulge (12) is the same as the cross section of the guide groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920199162.0U CN209850201U (en) | 2019-02-15 | 2019-02-15 | Butt spot welding tool clamp for water heater enamel inner container barrel body end socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920199162.0U CN209850201U (en) | 2019-02-15 | 2019-02-15 | Butt spot welding tool clamp for water heater enamel inner container barrel body end socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209850201U true CN209850201U (en) | 2019-12-27 |
Family
ID=68931931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920199162.0U Expired - Fee Related CN209850201U (en) | 2019-02-15 | 2019-02-15 | Butt spot welding tool clamp for water heater enamel inner container barrel body end socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209850201U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111451701A (en) * | 2020-06-10 | 2020-07-28 | 贵州红湖发动机零部件有限公司 | Seamless tensioning welding fixture for welding conical cylinder |
| CN113751954A (en) * | 2021-08-19 | 2021-12-07 | 哈电集团（秦皇岛）重型装备有限公司 | Anti-collapse device and method for welding large steam generator sleeve anti-seismic block |
| CN114559378A (en) * | 2022-03-17 | 2022-05-31 | 卓尔博（宁波）精密机电股份有限公司 | Clamp for machining motor shell |
-
2019
- 2019-02-15 CN CN201920199162.0U patent/CN209850201U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111451701A (en) * | 2020-06-10 | 2020-07-28 | 贵州红湖发动机零部件有限公司 | Seamless tensioning welding fixture for welding conical cylinder |
| CN111451701B (en) * | 2020-06-10 | 2022-05-03 | 贵州红湖发动机零部件有限公司 | Seamless tensioning welding fixture for welding conical cylinder |
| CN113751954A (en) * | 2021-08-19 | 2021-12-07 | 哈电集团（秦皇岛）重型装备有限公司 | Anti-collapse device and method for welding large steam generator sleeve anti-seismic block |
| CN114559378A (en) * | 2022-03-17 | 2022-05-31 | 卓尔博（宁波）精密机电股份有限公司 | Clamp for machining motor shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Welding fixture for butt joint of enamel inner tank barrel head of water heater Effective date of registration: 20210915 Granted publication date: 20191227 Pledgee: Shandong Tengzhou Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG ZHONGKE LANTIAN TECHNOLOGY Co.,Ltd. Registration number: Y2021980009388 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220930 Granted publication date: 20191227 Pledgee: Shandong Tengzhou Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG ZHONGKE LANTIAN TECHNOLOGY Co.,Ltd. Registration number: Y2021980009388 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |