CN210565394U - Quick change mechanism with mechanical locking function - Google Patents
Quick change mechanism with mechanical locking function Download PDFInfo
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- CN210565394U CN210565394U CN201921752001.6U CN201921752001U CN210565394U CN 210565394 U CN210565394 U CN 210565394U CN 201921752001 U CN201921752001 U CN 201921752001U CN 210565394 U CN210565394 U CN 210565394U
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- tool
- tool body
- locking
- machine body
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Abstract
A quick-change mechanism with mechanical locking belongs to the field of mechanical tool supplies. The utility model discloses a solve the low technical problem of mechanical locking effect of current quick change instrument. The utility model discloses an organism, ejector pin, locking bolt, the tool body and interchangeable instrument head, the organism is inside to have inner chamber and locking hole, still is equipped with the tool body on the organism, and processing has circular notch on the outer wall of the tool body, has preset the steel ball in the circular notch, and the ejector pin is installed inside the inner chamber of organism, and the ejector pin upper end is stretched out the organism and is set up at the tool internally, and locking bolt adopts the screw thread mode to install at locking downtheholely, locking bolt and ejector pin contact after the installation, interchangeable instrument headgear dress is on the tool body. The utility model discloses simple structure, the installation is dismantled conveniently, is suitable for popularization and application.
Description
Technical Field
The utility model relates to a machinery quick change instrument belongs to mechanical tool articles for use field.
Background
The use of tools for disassembly and fastening is often required in mechanical work. At present, a multifunctional head-replaceable tool (such as a multifunctional screwdriver and the like) widely used in production and life mostly adopts a quick-change mechanism of a spring and a steel ball, the steel ball is pushed by the spring to be extruded on a joint surface of a tool head and a tool body, and friction force is generated to connect the tool head and the tool body. The tool head quick-change mechanical structure in the prior art has the following problems:
1. the quick-change mechanism with the spring and the steel ball in the prior art is adopted, the locking force on the tool head is small, and when the stress is too large in the using process of the tool, the spring and the steel ball in the tool head are easy to separate, so that the tool head is invalid in use;
2. the tool head in the existing mode is limited by the size of the spring, the elasticity generated by the spring is small, so that the friction force generated by the tool head and the steel ball is small, and finally, the tool head is often loosened in the using process of the tool, so that the using stability of the tool is influenced;
3. the tool connection mode of the existing mode can not be applied to large-scale mechanical equipment operation, for example, when large-scale machinery is disassembled, a manipulator carries a tool to disassemble, so that the tool quick change tool with a stable locking structure is particularly necessary.
In summary, it is desirable to provide a mechanical locking structure with a better locking effect to meet the requirement of quick change tools.
SUMMERY OF THE UTILITY MODEL
The utility model discloses research and development purpose is in order to solve the low technical problem of mechanical locking effect of current quick change instrument. A brief summary of the present invention is provided below in order to provide a basic understanding of some aspects of the present invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to identify key or critical elements of the invention or to delineate the scope of the invention.
The technical scheme of the utility model:
a quick-change mechanism with mechanical locking comprises a machine body, a mandril, a locking bolt, a tool body and a replaceable tool head, the machine body is internally provided with an inner cavity, a locking hole is also processed on the machine body and communicated with the inner cavity, the machine body is also provided with a tool body, the inner space of the tool body is communicated with the inner cavity of the machine body, the outer wall of the tool body is processed with a circular notch, a steel ball is preset in the circular notch, the ejector rod is arranged in the inner cavity of the machine body, the upper end of the ejector rod extends out of the machine body and is arranged in the tool body, the locking bolt is arranged in the locking hole in a threaded mode, the installed locking bolt is contacted with the ejector rod, the replaceable tool head is sleeved on the tool body, the locking bolt is screwed, the locking bolt extrudes to push the ejector rod, the upper end of the ejector rod is enabled to extrude the moving space of the steel ball in the circular notch until the steel ball is contacted with the replaceable tool head and the replaceable tool head is installed on the tool body in a tensioning mode.
Preferably: the ejector pin have a straight section and toper section, have a top in the straight section and lean on the ring, the intracavity has the spring, the spring suit is on the straight section of ejector pin, the one end top of spring leans on the inner wall of organism, the other end top of spring leans on a top and leans on the ring, the toper section of ejector pin stretches out the organism setting inside the tool body.
Preferably, the machine body comprises an upper mounting shell and a lower mounting shell, wherein a mounting through hole is processed on the lower mounting shell, a threaded hole is processed on the upper mounting shell, and the upper mounting shell and the lower mounting shell are buckled and mounted through a connecting bolt.
Preferably: the tool body and the machine body are integrally formed.
The utility model discloses following beneficial effect has: the utility model discloses a take quick change mechanism of mechanical locking, through revolving the locking bolt soon, the locking bolt promotes the ejector pin, makes the ejector pin extrude the steel ball in the upper housing, and the steel ball rises tightly to install interchangeable tool head on the upper housing, adopts this kind to rise the tight mode installation back, and the installation of interchangeable tool head is more firm, and because the locking bolt adopts the screw thread mode to install in the locking hole of organism, receives threaded connection self-locking function, the ejector pin can not take place the displacement slip in the inner chamber, indirect assurance interchangeable tool head's installation reliability; the utility model discloses simple structure, the installation is dismantled conveniently, is suitable for popularization and application.
Drawings
FIG. 1 is a schematic structural diagram of a quick-change mechanism with a mechanical lock;
FIG. 2 is a schematic structural diagram of a second embodiment;
FIG. 3 is a cross-sectional view of the upper mounting shell;
FIG. 4 is a cross-sectional view of the lower mounting shell;
FIG. 5 is a schematic structural view of the carrier rod;
in the figure, 1-a machine body, 2-a mandril, 3-a locking bolt, 4-a tool body, 5-a replaceable tool head, 6-an inner cavity, 7-a locking hole, 8-a circular notch, 9-a steel ball, 10-a straight section, 11-a conical section, 12-an abutting ring, 13-a spring, 14-an upper mounting shell, 15-a lower mounting shell, 16-a mounting through hole, 17-a threaded hole and 18-a connecting bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The utility model discloses the connection that mentions divide into fixed connection and can dismantle the connection, fixed connection (for being undetachable connection) includes but not limited to conventional fixed connection modes such as hem connection, rivet connection, adhesive connection and welded connection, can dismantle the connection including but not limited to conventional dismantlement modes such as threaded connection, buckle connection, pin joint and hinged joint, when not clearly prescribing a limit to concrete connection mode, defaulting always can find at least one kind of connected mode in current connected mode and can realize this function, and the technical staff in the art can select by oneself as required. For example: the fixed connection selects welding connection, and the detachable connection selects hinge connection.
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 5, and the quick-change mechanism with mechanical locking of the embodiment comprises a machine body 1, a mandril 2, a locking bolt 3, a tool body 4 and a replaceable tool head 5, wherein an inner cavity 6 is formed inside the machine body 1, a locking hole 7 is further processed on the machine body 1, the locking hole 7 is communicated with the inner cavity 6, the machine body 1 is further provided with the tool body 4, the tool body 4 is a hollow shell, the inside of the tool body 4 is hollow, the inner space of the tool body 4 is communicated with the inner cavity 6 of the machine body 1, a circular notch 8 is processed on the outer wall of the tool body 4, a steel ball 9 is preset in the circular notch 8, the mandril 2 is installed inside the inner cavity 6 of the machine body 1, the upper end of the mandril 2 extends out of the machine body 1 and is arranged in the tool body 4, the locking bolt 3 is installed in the locking hole 7 in a threaded manner, the replaceable tool head 5 is sleeved on the tool body 4, the locking bolt 3 is screwed, the locking bolt 3 extrudes and pushes the ejector rod 2, the upper end of the ejector rod 2 extrudes the moving space of the steel ball 9 in the circular notch 8 until the steel ball 9 contacts with the replaceable tool head 5 and the replaceable tool head 5 is tensioned and installed on the tool body 4.
When the tool is used, the replaceable tool head 5 is sleeved on the tool body 4, the locking bolt 3 is screwed (the binding force can be adjusted by the screwing force of the locking bolt 3, and can be met by screwing with an empty hand), the locking bolt 3 pushes the ejector rod 2 to ascend, the upper end of the ejector rod 2 extrudes the steel ball 9 to generate transverse force to act on the joint surface of the replaceable tool head 5, and then large friction force is generated to complete connection.
The second embodiment is as follows: with reference to fig. 1 to 5, the quick-change mechanism with mechanical locking of the present embodiment is described, the ejector rod 2 has a straight section 10 and a tapered section 11, an abutting ring 12 is provided on the straight section 10, a spring 13 is provided in the inner cavity 6, the spring 13 is sleeved on the straight section 10 of the ejector rod 2, one end of the spring 13 abuts against the inner wall of the machine body 1, the other end of the spring 13 abuts against the abutting ring 12, and the tapered section 11 of the ejector rod 2 extends out of the machine body and is disposed inside the machine body 4. With the arrangement, when the tool head is disassembled, only the locking bolt 3 needs to be loosened, the spring 13 is reset under the action of elastic force, the ejector rod 2 is retreated by the spring 13, the steel ball 9 loses the supporting force, the extrusion force to the tool head disappears, the friction force disappears, and the tool head can be easily taken down;
the conical section 11 that the ejector pin 2 has sets up in the inside of the tool body 4, the conical surface of conical section 11 and the interior predetermined steel ball 9 contact of the tool body 4 for steel ball 9 is more smooth with the contact of ejector pin 2, the ejector pin 2 of being convenient for is to the extrusion of steel ball 9, and the extrusion process can not produce retardant phenomenon, the sliding space of steel ball 9 in circular notch 8 has also been increased, because the sliding space increase of steel ball 9, therefore the extrusion installation reliability of interchangeable instrument head 5 and tool body 4 has been guaranteed in the displacement of steel ball 9.
The third concrete implementation mode: the quick-change mechanism with mechanical locking of the present embodiment is described with reference to fig. 1 to 5, the machine body 1 of the present embodiment includes an upper mounting shell 14 and a lower mounting shell 15, a mounting through hole 16 is processed on the lower mounting shell 15, a threaded hole 17 is processed on the upper mounting shell 14, and the upper mounting shell 14 is fastened with the lower mounting shell 15 and is installed through a connecting bolt 18. So set up, organism 1 adopts the components of a whole that can function independently installation, and the equipment of being convenient for is dismantled, wherein adopts connecting bolt 18 to install 14 and install 15 establishments of casing down and connect the installation, and the organism overall structure intensity of constituteing after its connection can not receive the influence, also can guarantee the displacement state of ejector pin 2 in organism 1, satisfies the installation stability of interchangeable instrument head 5 and tool body 4.
The fourth concrete implementation mode: in the embodiment, the tool body 4 and the machine body 1 are integrally formed, and the quick-change mechanism with mechanical locking according to the embodiment is described with reference to fig. 1 to 5. So set up, the tool body 4 reduces the cost of manufacture of whole mechanical locking quick change mechanism with organism 1 integrated into one piece, and can guarantee that organism 1 can not produce the crack because of the atress inequality in the use, leads to life to receive the problem of influence.
The fifth concrete implementation mode: referring to fig. 1 to 5, the present embodiment is described, and according to the present embodiment, in the quick-change mechanism with mechanical locking, the replaceable tool head 5 is made into a tool with different modes, such as a straight screwdriver or a cross screwdriver, according to specific actual living or production requirements;
in the embodiment, the quick-change mechanism with mechanical locking is arranged on a mechanical arm of heavy machinery, the quick-change tool is operated by the mechanical arm to finish the dismounting and mounting operations of different large tools, and due to the special composition structure, the stress effect is higher than that of a common tool, and the quick-change mechanism with mechanical locking provided in the first to fifth embodiments has a quick-change function, so that the quick-change mechanism with mechanical locking is more practical.
The sixth specific implementation mode: the embodiment is described with reference to fig. 1 to 5, and according to the quick-change mechanism with mechanical locking of the embodiment, the replaceable tool head 5 is sleeved on the tool body 4, and a groove matched with the steel ball 9 is processed on the inner wall of the replaceable tool head 5 to increase the installation pre-tightening force of the replaceable tool head 5.
It should be noted that, in the above embodiments, as long as the technical solutions can be aligned and combined without contradiction, those skilled in the art can exhaust all possibilities according to the mathematical knowledge of the alignment and combination, and therefore the present invention does not describe the technical solutions after alignment and combination one by one, but it should be understood that the technical solutions after alignment and combination have been disclosed by the present invention.
This embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can make modifications to its part without departing from the spirit of the patent.
Claims (4)
1. The utility model provides a take quick change mechanism of mechanical locking which characterized in that: comprises a machine body (1), a push rod (2), a locking bolt (3), a tool body (4) and a replaceable tool head (5), wherein an inner cavity (6) is arranged in the machine body (1), a locking hole (7) is further processed on the machine body (1), the locking hole (7) is communicated with the inner cavity (6), the machine body (1) is further provided with the tool body (4), the inner space of the tool body (4) is communicated with the inner cavity (6) of the machine body (1), a circular notch (8) is processed on the outer wall of the tool body (4), a steel ball (9) is preset in the circular notch (8), the push rod (2) is installed in the inner cavity (6) of the machine body (1), the upper end of the push rod (2) extends out of the machine body (1) and is arranged in the tool body (4), the locking bolt (3) is installed in the locking hole (7) in a threaded mode, and the installed locking bolt (3) is contacted with the push, the replaceable tool head (5) is sleeved on the tool body (4), the locking bolt (3) is screwed, the locking bolt (3) pushes the ejector rod (2), the upper end of the ejector rod (2) extrudes the moving space of the steel ball (9) in the circular notch (8), and the replaceable tool head (5) is tightly installed on the tool body (4) until the steel ball (9) contacts the replaceable tool head (5).
2. The quick-change mechanism with the mechanical lock according to claim 1, characterized in that: ejector pin (2) straight section (10) and toper section (11) have, straight section (10) is gone up and is had a top and lean on ring (12), spring (13) have in inner chamber (6), spring (13) suit is on straight section (10) of ejector pin (2), the one end top of spring (13) is leaned on the inner wall of organism (1), the other end top of spring (13) is leaned on ring (12) in the top, toper section (11) of ejector pin (2) stretch out the organism setting inside the tool body (4).
3. The quick-change mechanism with the mechanical lock according to claim 1, characterized in that: the machine body (1) comprises an upper mounting shell (14) and a lower mounting shell (15), a mounting through hole (16) is processed on the lower mounting shell (15), a threaded hole (17) is processed on the upper mounting shell (14), and the upper mounting shell (14) is buckled with the lower mounting shell (15) and is mounted through a connecting bolt (18).
4. The quick-change mechanism with the mechanical lock according to claim 1, characterized in that: the tool body (4) and the machine body (1) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752001.6U CN210565394U (en) | 2019-10-18 | 2019-10-18 | Quick change mechanism with mechanical locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752001.6U CN210565394U (en) | 2019-10-18 | 2019-10-18 | Quick change mechanism with mechanical locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210565394U true CN210565394U (en) | 2020-05-19 |
Family
ID=70642676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921752001.6U Expired - Fee Related CN210565394U (en) | 2019-10-18 | 2019-10-18 | Quick change mechanism with mechanical locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210565394U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115781346A (en) * | 2022-12-08 | 2023-03-14 | 济南凛如海嗒网络科技服务有限公司 | Frock clamp that numerical control lathe cylinder body processing was used |
-
2019
- 2019-10-18 CN CN201921752001.6U patent/CN210565394U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115781346A (en) * | 2022-12-08 | 2023-03-14 | 济南凛如海嗒网络科技服务有限公司 | Frock clamp that numerical control lathe cylinder body processing was used |
| CN115781346B (en) * | 2022-12-08 | 2023-08-22 | 深圳市新万盛兴精密机电有限公司 | Frock clamp that numerical control lathe cylinder body processing was used |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 Termination date: 20201018 |
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| CF01 | Termination of patent right due to non-payment of annual fee |