CN221290150U - Extrusion binding off device - Google Patents
Extrusion binding off device Download PDFInfo
- Publication number
- CN221290150U CN221290150U CN202323070855.5U CN202323070855U CN221290150U CN 221290150 U CN221290150 U CN 221290150U CN 202323070855 U CN202323070855 U CN 202323070855U CN 221290150 U CN221290150 U CN 221290150U
- Authority
- CN
- China
- Prior art keywords
- hole
- positioning
- block
- binding
- extrusion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 16
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 16
- 241001330002 Bambuseae Species 0.000 claims description 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 16
- 239000011425 bamboo Substances 0.000 claims description 16
- 238000007765 extrusion coating Methods 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an extrusion necking device which comprises a positioning pin (1), a necking body block (2), an ejector rod (3) and a pressing cylinder (4), wherein a vertically-through hole is formed in the necking body block (2), the bottom surface of the necking body block (2) is provided with the positioning pin (1) for axially positioning a positioning hole on a connecting block (7), the pressing cylinder (4) is arranged in the through hole, the pressing cylinder (4) is provided with a coaxial ejector rod hole, the ejector rod (3) is arranged in the ejector rod hole, the height of the ejector rod (3) is higher than the height of the pressing cylinder (4) and corresponds to the stroke of a positioning block (5) on the connecting block (7) being pressed into a positioning block mounting hole, and the height of the pressing cylinder (4) is higher than the depth of the necking body block (2) and corresponds to the extrusion necking plastic deformation of the positioning block mounting hole on the connecting block (7). The ejector rod (3) and the pressing cylinder (4) are pressed to be flush with the cushion block (2) by applying pressure, closing-in is completed, and the positioning block is limited in the connecting block (7).
Description
Technical Field
The utility model relates to an extrusion closing device, in particular to an extrusion closing tool for a positioning block of a connecting block of a torque wrench.
Background
The steel ball positioning and locking mechanism of the torque wrench is characterized in that the steel ball positioning and locking mechanism is clamped into the quick-change connector through the positioning steel ball, so that quick-change connector and a connecting block of the torque wrench are connected in a quick-positioning mode, but because the positioning steel ball is not only required to be installed in the connecting block of the torque wrench, but also required to be freely stretched out and drawn back, a certain protruding amount can be maintained, and the spring in the mechanism is used for making assembly positioning difficult, so that a closing device capable of realizing quick positioning and installation and controlling the protruding amount is required when the positioning steel ball serving as a positioning block is installed.
Disclosure of Invention
The utility model aims to provide a closing device which can enable a connecting block to be rapidly positioned and installed and can control the protruding amount of a positioning steel ball serving as a positioning block, so that the positioning block is assembled.
The utility model is realized by the following technical scheme: an extrusion necking device which is characterized in that: including locating pin, binding off body piece, ejector pin and pressure section of thick bamboo, binding off body piece open and to have the through-hole that link up perpendicularly, binding off body piece bottom surface set up be used for the locating hole on the axial positioning connecting block the locating pin, pressure section of thick bamboo arrange in the through-hole in, pressure section of thick bamboo open and to have coaxial ejector pin hole, the ejector pin arrange in the ejector pin hole in, ejector pin height be higher than the numerical value of pressure section of thick bamboo height with the locating piece on the connecting block be pressed into the stroke in the locating piece mounting hole correspondingly, pressure section of thick bamboo height be greater than the numerical value of binding off body piece through-hole degree of depth with the extrusion binding off plastic deformation volume of locating piece mounting hole on the connecting block corresponding.
Compared with the prior art, the extrusion closing-in device has the following advantages: when the extrusion closing-in is carried out, the positioning hole on the connecting block is sleeved on the positioning pin, the positioning pin is used for axially positioning, the positioning block mounting hole on the connecting block is aligned with the through hole of the closing-in body block, the pressing cylinder is arranged in the through hole, the spring and the positioning block are sequentially arranged in the positioning block mounting hole from the ejector rod hole of the pressing cylinder, the ejector rod is arranged in the ejector rod hole, the pressing cylinder is pressed to be in a flat state, the positioning block and the spring are completely pushed into the positioning block mounting hole, when the pressing is continued, the ejector rod and the pressing cylinder are pressed to be in a flat state with the upper end face of the closing-in body block, the closing-in is completed, the positioning block mounting hole generates plastic deformation, the positioning block is limited in the connecting block, and the extrusion closing-in device has the advantages of simple structure, stability, reliability, simplicity and easiness in assembly, good positioning function, and capability of effectively controlling the extrusion closing-in a protruding state by limiting the deformation of the positioning block.
Drawings
Fig. 1 is a schematic structural view of an extrusion necking-in device of the present utility model.
In the figure: 1 locating pin, 2 binding off body piece, 3 ejector pins, 4 pressure section of thick bamboo, 5 locating pieces, 6 springs, 7 connecting blocks.
Detailed Description
The present utility model will be described in further detail with reference to examples, but embodiments of the present utility model are not limited thereto.
Fig. 1 shows an embodiment of an extrusion necking-in apparatus of the present utility model, characterized in that: including locating pin 1, binding off body piece 2, ejector pin 3 and pressure section of thick bamboo 4, binding off body piece 2 open and have the through-hole that link up perpendicularly, binding off body piece 2 bottom surface set up be used for the locating hole on the axial positioning connecting block 7 locating pin 1, pressure section of thick bamboo 4 arrange in the through-hole in, pressure section of thick bamboo 4 open and have coaxial ejector pin hole, ejector pin 3 arrange in the ejector pin hole in, ejector pin 3 high be higher than the numerical value of pressure section of thick bamboo 4 with the locating piece 5 on the connecting block 7 be pressed into the stroke corresponding in the locating piece mounting hole, pressure section of thick bamboo 4 high be greater than the numerical value of binding off body piece 2 through-hole degree of depth with the extrusion binding off plastic deformation volume of locating piece mounting hole on the connecting block 7 corresponding.
The bottom end of the ejector rod 3 in this embodiment is provided with a step shaft which avoids interference with the positioning block mounting hole.
The working end of the pressing cylinder 4 in this embodiment is provided with a taper angle or a round angle corresponding to the plastic deformation of the extrusion closing-in of the positioning block mounting hole.
In this embodiment, the positioning block 5 is a steel ball, the ejector rod 3 is a cylinder, and the ejector rod hole of the pressing cylinder 4 is a cylindrical hole, and when the positioning block 5 is in other structural shapes such as a pyramid, an ellipsoid, etc., the ejector rod 3 is made into a cylinder corresponding to the cross-sectional shape of the positioning block 5, and the ejector rod hole of the pressing cylinder 4 is made into a cylindrical hole corresponding to the cross-sectional shape of the positioning block 5.
Claims (3)
1. An extrusion necking device which is characterized in that: including locating pin (1), binding off body piece (2), ejector pin (3) and pressure section of thick bamboo (4), binding off body piece (2) open and have the perpendicular through-hole that link up, binding off body piece (2) bottom surface set up be used for the locating hole on connecting block (7) locating pin (1), pressure section of thick bamboo (4) arrange in the through-hole in, pressure section of thick bamboo (4) open and have coaxial ejector pin hole, ejector pin (3) arrange in the ejector pin hole in, ejector pin (3) highly be higher than the numerical value of pressure section of thick bamboo (4) with connecting block (7) on locating piece (5) be pressed into the stroke correspondence in the locating piece mounting hole, pressure section of thick bamboo (4) highly be greater than the numerical value of binding off body piece (2) through-hole degree of depth with the extrusion binding off plastic deformation volume of locating piece mounting hole on connecting block (7) corresponding.
2. The extrusion coating and necking apparatus of claim 1 wherein: the bottom end of the ejector rod (3) is provided with a step shaft which avoids interference with the positioning block mounting hole.
3. The extrusion coating and necking apparatus of claim 2 wherein: and the working end of the pressing cylinder (4) is provided with a cone angle or a round angle corresponding to the extrusion closing-in plastic deformation of the positioning block mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323070855.5U CN221290150U (en) | 2023-11-14 | 2023-11-14 | Extrusion binding off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323070855.5U CN221290150U (en) | 2023-11-14 | 2023-11-14 | Extrusion binding off device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221290150U true CN221290150U (en) | 2024-07-09 |
Family
ID=91756832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323070855.5U Active CN221290150U (en) | 2023-11-14 | 2023-11-14 | Extrusion binding off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221290150U (en) |
-
2023
- 2023-11-14 CN CN202323070855.5U patent/CN221290150U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |