Positioning device for chambering end part of collecting pipe

Abstract

The utility model relates to a positioning device for chambering the end part of a collecting pipe. The positioning device comprises a limiting mechanism and an anti-deformation component, the limiting mechanism comprises a bottom plate and a supporting plate; a plurality of springs are arranged at the bottom of the supporting plate; an arc-shaped placement groove is formed in the upper surface of the supporting plate, is formed in the length direction of the supporting plate and penetrates through the two ends of the upper surface of the supporting plate; a plurality of channel grooves are vertically formed in the inner wall of the arc-shaped containing groove at equal intervals and penetrate through the bottom of the supporting plate. A reaming cutter is vertically fixed to the position, under each channel groove, of the bottom plate. The anti-deformation assembly comprises a lower insertion strip and an upper insertion strip; the lower insertion strip is of a semicircular structure, and the cambered surface faces downwards; a plurality of avoiding grooves are formed in the arc surface of the lower insertion strip at equal intervals in the length direction of the lower insertion strip; the upper insertion strip is also of a semicircular structure, and the cambered surface faces upwards. According to the utility model, the connecting hole at the end part of the collecting pipe can be quickly expanded, and the collecting pipe cannot deform.

Description

Technical Field

[0001] The utility model relates to the technical field of metal material processing, in particular to a positioning device for expanding a hole at the end of a collecting pipe. Background Art

[0002] like Figure 1 The figure shows a manifold, which needs to have a row of connection holes punched on its side wall for connecting flat capillaries. After the row of connection holes are punched, it is necessary to expand several connection holes at its end for inserting reinforcement strips. Currently, expanding holes is usually done manually, which poses a great safety hazard. In addition, the precision of the expanded connection holes is relatively low.

[0003] Therefore, it is desired to provide a positioning device for expanding the hole at the end of a collecting pipe, which can solve the above-mentioned technical problems. Utility Model Content

[0004] The utility model aims to provide a positioning device for enlarging a hole at the end of a collecting pipe, which can quickly perform an enlarging operation on a connecting hole at the end of the collecting pipe without deforming the collecting pipe.

[0005] In order to achieve the purpose of the above utility model, a positioning device for expanding the hole at the end of a collecting pipe is provided, comprising a limiting mechanism and an anti-deformation component;

[0006] The limiting mechanism includes a bottom plate and a supporting plate;

[0007] A plurality of springs are provided at the bottom of the support plate, one end of the spring is connected to the bottom of the support plate, and the other end is connected to the bottom plate, and the spring is in a vertical state;

[0008] An arc-shaped placement groove is provided on the upper surface of the support plate, and the arc-shaped placement groove is arranged along the length direction of the support plate and passes through both ends of the upper surface of the support plate;

[0009] The inner wall of the arc-shaped placement groove is evenly spaced and vertically provided with a plurality of channel grooves, the channel grooves passing through the bottom of the support plate, and the spacing between two adjacent channel grooves is adapted to the spacing between two adjacent connection holes on the header to be expanded;

[0010] A reaming knife is vertically fixed on the bottom plate directly below each of the channel grooves;

[0011] The anti-deformation component includes a lower insert and an upper insert;

[0012] The lower insert is a semicircular structure with the arc surface facing downwards;

[0013] A plurality of avoidance grooves are provided on the arc surface of the lower insert at equal intervals along the length direction of the lower insert, and the distance between two adjacent avoidance grooves is adapted to the distance between two adjacent connection holes on the header to be expanded;

[0014] The upper insert is also a semicircular structure with the arc surface facing upwards.

[0015] Preferably, the anti-deformation component further comprises a sleeve, and the sleeve is sleeved on the outer ends of the lower insertion strip and the upper insertion strip.

[0016] Preferably, a limiting vertical plate is vertically provided on the bottom plate at a position close to both ends of the support plate;

[0017] The limit vertical plate is provided with an avoidance area for avoiding the collecting pipe.

[0018] Preferably, a plurality of elastic protrusions are provided on the upper surface of the support plate.

[0019] Preferably, the spring is a pagoda-shaped spring.

[0020] Compared with the prior art, the positioning device for enlarging the end of a manifold has the following advantages:

[0021] (1) The corresponding connection holes at the ends of the manifold can be expanded with high precision, effectively improving processing efficiency and minimizing safety hazards;

[0022] (2) Simple structure and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a current collecting pipe in the background technology;

[0024] Figure 2 Schematic diagram of the structure of the limiting mechanism in this embodiment;

[0025] Figure 3 The structure of a positioning device for expanding the hole at the end of a manifold in this embodiment is shown in FIG. Figure 1 ;

[0026] Figure 4 The structure of a positioning device for expanding the hole at the end of a manifold in this embodiment is shown in FIG. Figure 2 . DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0028] Example 1

[0029] A positioning device for expanding the hole at the end of a collecting pipe in this embodiment includes a limiting mechanism and an anti-deformation component.

[0030] like Figure 2 As shown, the limiting mechanism includes a bottom plate 1 and a support plate 2; a plurality of springs 3 are provided at the bottom of the support plate 2, one end of the spring 3 is connected to the bottom of the support plate 2, and the other end is connected to the bottom plate 1, and the spring 3 is in a vertical state.

[0031] The upper surface of the support plate 2 is provided with an arc-shaped placement groove 4, which is arranged along the length direction of the support plate 2 and passes through both ends of the upper surface of the support plate 2; the inner wall of the arc-shaped placement groove 4 is evenly spaced and vertically provided with a plurality of channel grooves 5, and the channel grooves 5 pass through the bottom of the support plate 2, and the spacing between two adjacent channel grooves 5 is adapted to the spacing between two adjacent connecting holes on the collecting pipe to be expanded.

[0032] A reaming knife 6 is vertically fixed on the bottom plate 1 just below each of the channel grooves 5 .

[0033] like Figure 3 As shown, the anti-deformation component includes a lower insert bar 7 and an upper insert bar 8; the lower insert bar 7 is a semicircular structure with an arc surface facing downward; a plurality of avoidance grooves 9 are provided on the arc surface of the lower insert bar 7 at equal intervals along the length direction of the lower insert bar 7, and the spacing between two adjacent avoidance grooves 9 is adapted to the spacing between two adjacent connection holes on the collecting pipe 10 to be expanded.

[0034] The upper inserting strip 8 is also a semicircular structure with the arc surface facing upwards.

[0035] In this embodiment, if Figure 4 As shown, the anti-deformation assembly further includes a sleeve 11 , which is sleeved on the outer ends of the lower inserting bar 7 and the upper inserting bar 8 to position the lower inserting bar 7 and the upper inserting bar 8 .

[0036] When expanding the corresponding connection holes at the ends of the collecting tube 10, the collecting tube 10 is placed on the arc-shaped placement groove 4 on the support plate 2, with the connection holes on the collecting tube 10 facing downward, and the connection holes to be expanded are located directly above the channel groove 5 on the arc-shaped placement groove 4; the connection holes that do not need to be expanded are located outside the support plate 2; the lower insertion strip 7 is inserted into the collecting tube, and the avoidance groove 9 on the lower insertion strip 7 is located directly above the connection holes to be expanded; the upper insertion strip 8 is inserted into the collecting tube 10; the external press is started to press the collecting tube downward, and the support plate 2 moves downward, and finally the reaming knife 6 expands the connection holes that need to be expanded.

[0037] In this embodiment, a limiting vertical plate 12 is vertically provided on the bottom plate 1 near the two ends of the support plate 2; an avoidance area 13 is provided on the limiting vertical plate 12 for avoiding the header 10. The two ends of the support plate 2 are slidably connected to the limiting vertical plate 12. Such a configuration plays a limiting role on the support plate 2, preventing the support plate 2 from shaking when moving in the vertical direction, thereby affecting the hole expansion operation of the header.

[0038] In this embodiment, a plurality of elastic protrusions 14 are provided on the upper surface of the support plate 2. With such arrangement, when the external press presses the material downward, the surface will crush the collecting pipe.

[0039] In this embodiment, the spring 3 is a pagoda-shaped spring. In the same installation space, the pagoda-shaped spring of the same volume can withstand greater pressure than an ordinary compression spring, and correspondingly can store more energy, and can withstand greater pressure under the same deformation amount.

[0040] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A positioning device for expanding the hole at the end of a header, characterized in that: Including a limit mechanism and an anti-deformation component; The limiting mechanism includes a bottom plate and a supporting plate; A plurality of springs are provided at the bottom of the support plate, one end of the spring is connected to the bottom of the support plate, and the other end is connected to the bottom plate, and the spring is in a vertical state; An arc-shaped placement groove is provided on the upper surface of the support plate, and the arc-shaped placement groove is arranged along the length direction of the support plate and passes through both ends of the upper surface of the support plate; The inner wall of the arc-shaped placement groove is evenly spaced and vertically provided with a plurality of channel grooves, the channel grooves passing through the bottom of the support plate, and the spacing between two adjacent channel grooves is adapted to the spacing between two adjacent connection holes on the header to be expanded; A reaming knife is vertically fixed on the bottom plate directly below each of the channel grooves; The anti-deformation component includes a lower insert and an upper insert; The lower insert is a semicircular structure with the arc surface facing downwards; A plurality of avoidance grooves are provided on the arc surface of the lower insert at equal intervals along the length direction of the lower insert, and the distance between two adjacent avoidance grooves is adapted to the distance between two adjacent connection holes on the header to be expanded; The upper insert is also a semicircular structure with the arc surface facing upwards.

2. A positioning device for expanding the hole at the end of a header as claimed in claim 1, characterized in that: The anti-deformation component further comprises a sleeve, and the sleeve is sleeved on the outer ends of the lower inserting strip and the upper inserting strip.

3. A positioning device for expanding the hole at the end of a header as claimed in claim 1, characterized in that: A limiting vertical plate is vertically provided on the bottom plate at a position close to both ends of the support plate; The limit vertical plate is provided with an avoidance area for avoiding the collecting pipe.

4. A positioning device for expanding the hole at the end of a header as claimed in claim 1, characterized in that: A plurality of elastic protrusions are arranged on the upper surface of the support plate.

5. A positioning device for expanding the hole at the end of a header as claimed in any one of claims 1 to 4, characterized in that: The spring is a pagoda-shaped spring.

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