Riveting device for mainboard end cover of automotive anti-water-flying evaporator
By designing a riveting device that includes a wedge pressing block and a wedge rivet head, the problem of poor riveting of the main board end cover of the anti-splash evaporator was solved, achieving an efficient and stable riveting process and improving production efficiency and product quality.
Patent Information
- Application Number
- CN202422727849.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-11-08
AI Technical Summary
In the existing technology, the riveting method of the main board and end cover of the vehicle anti-splash evaporator has the problems of high labor intensity, low efficiency and low pass rate. In particular, the manual jig and special mold riveting method has a slow cycle and high defect rate.
A riveting device for the main board end cap of an automotive anti-splash evaporator is adopted. The device includes an upper template and a lower template. It utilizes a wedge pressing block and a wedge riveting head structure, combined with horizontal and vertical riveting, and adjusts the tightness by equal-height screws to achieve a firm connection between the main board and the end cap.
It reduced labor intensity, doubled production efficiency, improved product qualification rate, significantly improved riveting efficiency, and achieved the integration of horizontal and vertical riveting.
Smart Images

Figure CN222326522U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vehicle evaporator processing, in particular to a vehicle anti-flying water evaporator mainboard end cover riveting device. Background Art
[0002] The automotive anti-flying water evaporator mainly includes a main board, end covers, partitions, flat tubes, fins, guard plates, inlet and outlet pipe assemblies, plugging covers, sponges, labels and other parts; the main board and the end covers are riveted to form a manifold assembly.
[0003] At present, the mainboard and end cover are mostly riveted by manual jig and riveted by special mold. The disadvantages of manual jig riveting are slow cycle, high labor intensity, low automation and low qualification rate. Special mold riveting currently mostly uses manual pushing down of the mainboard reinforcement ribs, and then uses the mold to press the reinforcement ribs for riveting to form the manifold assembly. The disadvantages are slow cycle, high labor intensity and low qualification rate. Utility Model Content
[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a riveting device for the end cover of the mainboard of the anti-flying water evaporator for a vehicle, which solves the problem of poor riveting of the end cover of the mainboard of the anti-flying water evaporator, reduces labor intensity, and increases production efficiency by two times. Compared with traditional molds, it integrates horizontal riveting and vertical riveting, improves riveting efficiency, and improves product qualification rate, which can effectively solve the problems in the background technology.
[0005] To achieve the above purpose, the utility model provides the following technical solutions: a vehicle anti-flying water evaporator mainboard end cover riveting device, comprising an upper template and a lower template, the upper template and the lower template correspond to each other up and down, and a concave mold is fixed on the upper surface of the lower template, an oblique wedge pressure block is provided on the lower surface of the upper template, a pad is fixed between the oblique wedge pressure block and the upper template, the lower surface of the upper template is evenly connected with a stripper plate through a rectangular spring, the stripper plate is located directly below the oblique wedge pressure block, and a removable spring is provided in the middle of the stripper plate. The oblique wedge rivet head slides left and right, and a through groove corresponding to the oblique wedge rivet head is provided in the middle of the unloading plate. The oblique wedge rivet head corresponds to the oblique wedge pressure block up and down. Blocks are fixed on both ends of the left and right sides of the unloading plate, and two equal-height screws are fixed on both ends of the oblique wedge rivet head. The equal-height screws pass through the block, and a compression spring is provided between one end of the equal-height screw and the block. A side plate is fixed on the front and rear sides of the pad, and the lower end of the side plate is an L-shaped structure. Two pneumatic blocks are fixed on the front and rear sides of the die.
[0006] Furthermore, two guide column assemblies are provided on the upper surface of the lower template, and a sliding connection sleeve corresponding to the guide column assemblies is provided on the upper template, and the two guide column assemblies are located at two diagonal positions of the lower template.
[0007] Furthermore, a positioning piece is provided on the upper side of one end of the die.
[0008] Furthermore, a limiting column is fixed on the lower surface of the upper template, and the number of the limiting columns is two, and the two limiting columns and the two guide column assemblies constitute four-corner positioning.
[0009] Compared with the prior art, the beneficial effects of the utility model are: the consistency of riveting of the mainboard reinforcement ribs is ensured through the oblique wedge rivet head structure, the versatility of the riveting device is achieved, and the firmness of the mainboard and the end cover is improved; the oblique wedge pressure block acts on the oblique wedge rivet head through the oblique wedge structure to achieve horizontal riveting of the oblique wedge rivet head; the oblique wedge pressure block presses the oblique wedge rivet head to achieve vertical riveting of the existing oblique wedge rivet head, and at the same time, the tightness of the rivet is adjusted by adjusting the equal height screws. The vehicle anti-flying water evaporator mainboard end cover riveting device solves the problem of poor riveting of the anti-flying water evaporator mainboard end cover, reduces labor intensity, and doubles production efficiency. Compared with traditional molds, horizontal riveting and vertical riveting are integrated to improve riveting efficiency and improve product qualification rate. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the structure of the utility model;
[0011] Figure 2 It is a schematic diagram of the local structure of the utility model;
[0012] Figure 3 It is a partial back structural schematic diagram of the utility model.
[0013] In the figure: 1 upper template, 2 pad, 3 oblique wedge pressure block, 4 oblique wedge rivet head, 5 unloading plate, 6 side plate, 7 stopper, 8 equal height screws, 9 compression spring, 10 limit column, 11 lower template, 12 positioning plate, 13 air pressure stopper, 14 die, 15 guide column assembly. DETAILED DESCRIPTION
[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0015] See also Figure 1-3The utility model provides a technical solution: a riveting device for the mainboard end cover of a vehicle anti-flying water evaporator, comprising an upper template 1 and a lower template 11, the upper template 1 and the lower template 11 correspond to each other up and down, and a concave die 14 is fixed on the upper surface of the lower template 11, an oblique wedge pressing block 3 is provided on the lower surface of the upper template 1, a pad 2 is fixed between the oblique wedge pressing block 3 and the upper template 1, and a discharge plate 5 is evenly connected to the lower surface of the upper template 1 through a rectangular spring, the discharge plate 5 is located directly below the oblique wedge pressing block 3, and an oblique wedge rivet that can slide left and right is provided in the middle of the discharge plate 5 The middle of the unloading plate 5 is provided with a through slot corresponding to the oblique wedge rivet head 4, the oblique wedge rivet head 4 corresponds to the oblique wedge pressure block 3 up and down, the left and right ends of the unloading plate 5 are provided with fixed blocks 7, the two ends of the oblique wedge rivet head 4 are respectively fixed with two equal height screws 8, the equal height screws 8 pass through the block 7, and a compression spring 9 is provided between one end of the equal height screw 8 and the block 7, the front and rear sides of the backing plate 2 are fixed with a side plate 6, the lower end of the side plate 6 is an L-shaped structure, the front and rear sides of the concave die 14 are fixed with two air pressure blocks 13, and the upper surface of the lower template 11 is fixed with a side plate 6, and the lower end of the side plate 6 is an L-shaped structure. Two guide column assemblies 15 are provided on the upper template 1, and a sliding connection sleeve corresponding to the guide column assemblies 15 is provided on the upper template 1. The two guide column assemblies 15 are located at two diagonal positions of the lower template 11. A positioning piece 12 is provided on the upper side of one end of the concave mold 14. A limiting column 10 is fixed on the lower surface of the upper template 1, and the number of the limiting columns 10 is two. The two limiting columns 10 and the two guide column assemblies 15 form a four-corner positioning. The oblique wedge rivet head 4 structure ensures the consistency of the riveting of the mainboard reinforcement ribs, realizes the versatility of the riveting device, and improves the firmness of the mainboard and the end cover. The oblique wedge pressure block 3 acts on the oblique wedge rivet head 4 through the oblique wedge structure to achieve horizontal riveting of the oblique wedge rivet head 4; the oblique wedge pressure block 3 presses the oblique wedge rivet head 4 to achieve vertical riveting of the oblique wedge rivet head 4, and at the same time, the tightness of the riveting is adjusted by adjusting the equal height screw 8. The vehicle anti-flying water evaporator mainboard end cover riveting device solves the problem of poor riveting of the anti-flying water evaporator mainboard end cover, reduces labor intensity, and doubles the production efficiency. Compared with traditional molds, it integrates horizontal riveting and vertical riveting, improves riveting efficiency, and improves product qualification rate.
[0016] When in use: first, pre-assemble the end cover and the main board to form a manifold assembly, and then place the manifold assembly in the positioning groove of the die 14, with the end of the manifold assembly close to the positioning plate 12. In the first step of riveting, the upper die set is driven downward by the pneumatic press, and the unloading plate 5 presses the manifold assembly under the action of the rectangular spring to complete the pre-pressing and eliminate the gap between the main board and the end cover; in the second step of riveting, the oblique wedge pressure block 3 acts on the oblique wedge rivet head 4 through the oblique wedge structure, and the oblique wedge rivet head 4 moves horizontally in the groove of the unloading plate 5, and the reinforcement ribs of the main board are horizontally pushed down to achieve horizontal riveting; in the third step of riveting, the oblique wedge pressure block 3 presses the oblique wedge rivet head 4 in the vertical direction, and the oblique wedge rivet head 4 and the die 14 complete the vertical riveting to lock the main board and the end cover.
[0017] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.
Claims
1. A vehicle anti-flying water evaporator mainboard end cover riveting device, comprising an upper template (1) and a lower template (11), characterized in that: The upper template (1) and the lower template (11) correspond to each other in the upper and lower parts, and a concave mold (14) is fixed on the upper surface of the lower template (11). The lower surface of the upper template (1) is provided with an inclined wedge pressure block (3). A pad (2) is fixed between the inclined wedge pressure block (3) and the upper template (1). The lower surface of the upper template (1) is evenly connected with a discharge plate (5) through a rectangular spring. The discharge plate (5) is located directly below the inclined wedge pressure block (3). An inclined wedge rivet head (4) that can slide left and right is provided in the middle of the discharge plate (5). A contact plate (2) that is opposite to the inclined wedge rivet head (4) is provided in the middle of the discharge plate (5). The oblique wedge rivet head (4) corresponds to the oblique wedge pressure block (3) in the upper and lower parts, the left and right ends of the unloading plate (5) are both provided with fixed blocks (7), the two ends of the oblique wedge rivet head (4) are respectively fixed with two equal height screws (8), the equal height screws (8) pass through the block (7), and a compression spring (9) is provided between one end of the equal height screw (8) and the block (7), the front and rear sides of the pad (2) are both fixed with a side plate (6), the lower end of the side plate (6) is an L-shaped structure, and the front and rear sides of the die (14) are both fixed with two air pressure blocks (13).
2. The riveting device for the mainboard end cover of the anti-flying water evaporator for a vehicle according to claim 1 is characterized in that: Two guide column assemblies (15) are provided on the upper surface of the lower template (11), and sliding connection sleeves corresponding to the guide column assemblies (15) are provided on the upper template (1), and the two guide column assemblies (15) are located at two diagonal positions of the lower template (11).
3. The riveting device for the mainboard end cover of the anti-flying water evaporator for a vehicle according to claim 1 is characterized in that: A positioning piece (12) is provided on the upper side of one end of the concave mold (14).
4. The riveting device for the mainboard end cover of the anti-flying water evaporator for a vehicle according to claim 2 is characterized in that: The lower surface of the upper template (1) is fixed with a limiting column (10), and the number of the limiting columns (10) is two. The two limiting columns (10) and the two guide column assemblies (15) form four-corner positioning.