Quick-change disk with self-locking circuit protection and quick-change disk self-locking method
By designing a quick-change disc with self-locking circuit protection and utilizing the mechanical structure of the piston and protection valve, a stable connection between the male and female connectors is achieved, solving the problem of unstable connection in the existing technology and ensuring safety and reliability.
Patent Information
- Application Number
- CN202110163531.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-02-05
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2041-02-05
AI Technical Summary
The male and female connectors of existing quick-change devices are easy to loosen and the connection is unstable, posing a safety hazard. In particular, they are easy to separate when the control system malfunctions, leading to the risk of falling off.
A quick-change disc with self-locking circuit protection is designed, which includes a piston, an exchange head, a clamping part, a gas-liquid self-locking circuit and a protection valve. The piston is pushed by the medium to lock or unlock the clamping part, ensuring the stability of the connection. The disc can only be released and separated when specific mechanical trigger conditions are met.
It effectively prevents the quick-change disc from loosening due to electrical signal misoperation, ensures a safe and reliable connection, eliminates safety hazards caused by misoperation, and improves the stability and safety of the connection.
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Figure CN112815169B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of robot connection devices, and in particular to a quick-change disk with self-locking circuit protection and a quick-change disk self-locking method. Background Art
[0002] Intelligent quick-change discs are widely used. The rapid and synchronous transmission of electrical, pneumatic, and fluid power is often required during tool change operations. However, the male and female connectors of most existing quick-change devices are prone to loosening and unstable connections. If the control system malfunctions, the discs can easily separate, causing the discs to fall off and potentially causing serious safety accidents. A safe and reliable method is needed to ensure safety. Summary of the Invention
[0003] The purpose of the present invention is to provide a quick-change disk with self-locking circuit protection and a quick-change disk self-locking method to address the deficiencies in the prior art, thereby solving the above-mentioned problems.
[0004] To achieve the above-mentioned purpose, the quick-change disk with self-locking circuit protection of the present invention includes a first main body and a second main body, which are arranged in coordination with each other, and also include a piston member and an exchange head. The first main body and the second main body are respectively provided with a first accommodating chamber and a second accommodating chamber, the piston member is arranged in the first accommodating chamber, the exchange head is arranged in the first main body, and a clamping portion is provided at the open end of the second accommodating chamber. The exchange head protrudes to form an embedded tube body, and the embedded tube body is provided with a movable locking member, and the clamping portion is arranged in coordination with the embedded tube body; after the embedded tube body is coordinated with the clamping portion and connected, the piston member pushes the locking member to lock the clamping portion; it also includes a gas-liquid self-locking circuit and a protection valve for opening and closing the gas-liquid self-locking circuit; the gas-liquid self-locking circuit is provided with a medium inlet, and when the protection valve conducts the gas-liquid self-locking circuit, the medium inlet is connected to the first accommodating chamber, and the medium introduced into the gas-liquid self-locking circuit can push the piston member in a direction away from the clamping portion, and the first main body can be separated from the second main body.
[0005] Furthermore, the quick-change disk with self-locking circuit protection of the present invention is provided with a piston body and a top body. The piston body is slidably arranged in the first accommodating chamber and divides the first accommodating chamber into an upper push chamber and a lower push chamber. The top body is slidably arranged inside the embedded tube body, and the top body can radially push the locking member out against the clamping part within the stroke range; it also includes an air intake valve, which is arranged on the first main body and is used to open and close the gas-liquid self-locking circuit, and the medium inlet is connected to the upper push chamber and the lower push chamber respectively through the air intake valve and the protection valve; when the air intake valve opens the gas-liquid self-locking circuit, the medium introduced into the gas-liquid self-locking circuit can push the piston member in the direction toward the clamping part, and the piston member pushes the locking member to lock the clamping part.
[0006] Furthermore, the quick-change disk with self-locking circuit protection of the present invention, the intake valve includes a retractable intake valve core, the intake valve core is retractably arranged on the first main body and is located in the gas-liquid self-locking circuit, when the locking member locks the clamping part, the second main body presses the intake valve core, the medium inlet is connected to the push-up chamber, the medium introduced into the gas-liquid self-locking circuit can push the piston member in the direction toward the clamping part, and the piston member pushes the locking member to lock the clamping part.
[0007] Furthermore, in the quick-change disc with self-locking circuit protection of the present invention, the intake valve also includes a spring for returning the intake valve core.
[0008] Furthermore, the quick-change disk with self-locking circuit protection of the present invention further includes a one-way valve, which is connected in series to the gas-liquid self-locking circuit and is located between the medium inlet and the air inlet valve.
[0009] Furthermore, the quick-change disk with self-locking circuit protection of the present invention, the protection valve includes a protection valve body and a protection valve core, the protection valve body is embedded in the second main body, the protection valve core is retractably slidably arranged in the protection valve body and is located in the gas-liquid self-locking circuit, the protection valve body is provided with an air guide hole, when the protection valve core is in a compressed state, the medium inlet is connected to the push-down chamber through the air guide hole.
[0010] Furthermore, in the quick-change disc with self-locking circuit protection of the present invention, the end of the protection valve core is exposed outward from the second body.
[0011] Furthermore, in the quick-change disc with self-locking circuit protection of the present invention, the air intake valve further includes a spring for returning the protective valve core to its original position.
[0012] Furthermore, the quick-change disk with self-locking circuit protection of the present invention has a locking member that is a ball, and the ball is movably arranged on the wall of the embedded tube body; it also includes an air circuit block, the air-liquid self-locking circuit is arranged on the air circuit block, and the air circuit block is installed on the first main body.
[0013] To achieve the above-mentioned purpose, the quick-change disc self-locking method of the present invention uses the quick-change disc. When the first body and the second body are in a combined state, the intake valve core is compressed by the second body, and the medium enters the push-up chamber through the medium inlet port to form a passage state. The medium pushes the piston member downward, and the piston member pushes the locking member to lock the holding portion; when the first body and the second body are to be separated, an external force presses the protective valve core, and the medium enters the push-down chamber through the medium inlet port to form a passage state. The medium pushes the piston member upward, thereby releasing the relative lock between the locking member and the holding portion.
[0014] Beneficial Effects of the Invention: The quick-change disk and quick-change disk self-locking method of the present invention with self-locking circuit protection can be equipped with a first body and a second body, respectively, for mounting a mating male and female connector. The male and female connectors can be provided with connectors for connecting gas, liquid, and electricity. Quick-change installation of the connectors for connecting gas, liquid, and electricity is achieved by pushing a locking member to lock a retaining portion, thereby connecting the first and second bodies. When the first and second bodies need to be opened, mechanical or manual force is applied to touch / operate the protective valve, opening the protective valve passageway so that the protective valve connects to the gas-liquid self-locking circuit. The medium inlet is connected to the first accommodating chamber. The medium introduced into the gas-liquid self-locking circuit pushes the piston member away from the retaining portion, allowing the first and second bodies to separate. The quick-change disk with self-locking circuit protection of the present invention can prevent the safety hazard of the quick-change disk loosening caused by electrical signal malfunction. The mechanical design of the protective valve ensures that after the male and female disks are connected, specific mechanical triggering conditions must be met for the quick-change disk to release and separate. This eliminates the influence of electrical malfunction on the quick-change disk loosening and separation, ensuring safety and reliability. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the quick-change disk with self-locking circuit protection of the present invention.
[0016] Figure 2 This is a schematic top view of the quick-change disk with self-locking circuit protection of the present invention.
[0017] Figure 3 The protection valve of the present invention is in the off-circuit state. Figure 2 Schematic diagram of the cross-sectional structure in the AA direction.
[0018] Figure 4 The protection valve of the present invention is in the passage state. Figure 2 Schematic diagram of the cross-sectional structure in the AA direction.
[0019] Figure 5 The protection valve of the present invention is in the off-circuit state and the intake valve is in the passage state. Figure 2 Cross-sectional structure in the middle BB direction.
[0020] Reference numerals include:
[0021] 1—first body 11—upward push chamber 12—downward push chamber 13—air path block
[0022] 2-Second body 21-Holding part
[0023] 3-piston member 31-piston body 32-top body
[0024] 4-Exchange head 41-Embedded tube body
[0025] 5—Locking element 6—Gas-liquid self-locking circuit
[0026] 71 - Protective valve body 72 - Protective valve core
[0027] 8—Media inlet
[0028] 9—Intake valve core
[0029] 10—One-way valve. DETAILED DESCRIPTION
[0030] The present invention is described in detail below with reference to the accompanying drawings.
[0031] like Figure 1-3 As shown, the quick-change disk with self-locking circuit protection of the present invention includes a first main body 1 and a second main body 2, which are arranged in cooperation, and also include a piston 3 and an exchange head 4. The first main body 1 and the second main body 2 are respectively provided with a first accommodating chamber and a second accommodating chamber, the piston 3 is arranged in the first accommodating chamber, the exchange head 4 is arranged in the first main body 1, and a clamping portion 21 is provided at the open end of the second accommodating chamber. The exchange head 4 protrudes to form an embedded tube body 41, and the embedded tube body 41 is provided with a movable locking member 5. The holding portion 21 is arranged in coordination with the embedded tube body 41; after the embedded tube body 41 is coordinated and connected with the holding portion 21, the piston member 3 pushes the locking member 5 to lock the holding portion 21; it also includes a gas-liquid self-locking circuit 6 and a protective valve for opening and closing the gas-liquid self-locking circuit 6; the gas-liquid self-locking circuit 6 is provided with a medium inlet 8, and when the protective valve conducts the gas-liquid self-locking circuit 6, the medium inlet 8 is connected to the first accommodating chamber, and the medium introduced into the gas-liquid self-locking circuit 6 can push the piston member 3 in a direction away from the holding portion 21, and the first main body 1 can be separated from the second main body 2.
[0032] like Figure 1-3 As shown, the quick-change disk with self-locking circuit protection of the present invention, the first body 1 and the second body 2 can be used to install the male and female heads of the matching connection, respectively, and the male and female heads can be provided with connectors for connecting gas, liquid and electricity. To achieve the quick-change installation of the connectors for connecting gas, liquid and electricity, the piston member 3 pushes the locking member 5 to lock the holding portion 21, thereby achieving the connection between the first body 1 and the second body 2. When the first body 1 and the second body 2 need to be opened, a mechanical external force or an artificial external force is used to touch / operate the protection valve, the protection valve passage, so that the protection valve conducts the gas-liquid self-locking circuit 6, and the medium inlet 8 is connected to the first accommodating chamber. The medium introduced into the gas-liquid self-locking circuit 6 can push the piston member 3 in the direction away from the holding portion 21, and the first body 1 can be separated from the second body 2. The quick-change disk with self-locking circuit protection of the present invention can prevent the safety hazard of the quick-change disk loosening caused by the malfunction of the electrical signal. Through the mechanical structure design of the protection valve, after the male and female disks are combined, specific mechanical triggering conditions must be met to loosen and separate the quick-change disk. Eliminate the influence of electrical malfunction on the loosening and separation of the quick-change disc, ensuring safety and reliability.
[0033] like Figure 3-5 As shown, the quick-change disk with self-locking circuit protection of the present invention, the piston member 3 is provided with a piston body 31 and a top body 32, the piston body 31 is slidably arranged in the first accommodating chamber and divides the first accommodating chamber into an upper push chamber 11 and a lower push chamber 12, the top body 32 is slidably arranged inside the embedded tube body 41, and the top body 32 can radially push the locking member 5 out against the clamping portion 21 within the stroke range; it also includes an air intake valve, the air intake valve is arranged on the first main body 1 and is used to open and close the gas-liquid self-locking circuit 6, the medium inlet 8 is connected to the upper push chamber 11 and the lower push chamber 12 respectively through the air intake valve and the protection valve; when the air intake valve is about to connect the gas-liquid self-locking circuit 6, the medium introduced into the gas-liquid self-locking circuit 6 can push the piston member 3 in the direction toward the clamping portion 21, and the piston member 3 pushes the locking member 5 to lock the clamping portion 21. In the quick-change disk with self-locking circuit protection of the present invention, the first body 1 can trigger the air intake valve passage during the combination process with the second body 2. The medium introduced into the gas-liquid self-locking circuit 6 can push the piston member 3 in the direction toward the holding portion 21. The piston member 3 pushes the locking member 5 to lock the holding portion 21, so that the first body 1 can remain self-locked with the second body 2 to prevent loosening. This is especially applicable to cases where the male and female heads are of large mass, further improving safety performance. Specifically, the flow channel size of the gas-liquid self-locking circuit 6 can be designed so that the protection valve is connected to the gas-liquid self-locking circuit 6 in the touch protection valve passage, the medium inlet 8 is connected to the push-down chamber 12, and the medium introduced into the gas-liquid self-locking circuit 6 can push the piston member 3 in the direction away from the holding portion 21, so that the first body 1 can be unlocked from the second body 2.
[0034] like Figure 3-5 As shown, in the quick-change disk with self-locking circuit protection of the present invention, when the first body 1 and the second body 2 are in the combined state, the intake valve core 9 is pressed by the second body 2, and the medium enters the push-up chamber 11 through the medium inlet 8 and is in a passage state. The medium pushes the piston member 3 downward, and the piston member 3 pushes the locking member 5 to lock the holding portion 21; when the first body 1 and the second body 2 are to be separated, an external force presses the protective valve core 72, and the medium enters the push-down chamber 12 through the medium inlet 8 and is in a passage state. The medium pushes the piston member 3 upward, thereby releasing the relative lock between the locking member 5 and the holding portion 21.
[0035] The intake valve core 9 can be arranged between the first body 1 and the second body 2. During the combination process of the first body 1 and the second body 2, the intake valve core 9 can be compressed, so that the medium enters the push-up chamber 11 through the medium inlet 8 to form a passage state. The medium pushes the piston part 3 downward, and the piston part 3 pushes the locking part 5 to keep the locking clamping part 21.
[0036] like Figure 3-5As shown, specifically, the quick-change disk with self-locking circuit protection of the present invention, the intake valve includes a retractable intake valve core 9, the intake valve core 9 is retractably arranged on the first main body 1 and is located in the gas-liquid self-locking circuit 6, when the locking member 5 locks the holding portion 21, the second main body 2 presses the intake valve core 9, the medium inlet port 8 is connected to the upper push chamber 11, the medium introduced into the gas-liquid self-locking circuit 6 can push the piston member 3 in the direction toward the holding portion 21, and the piston member 3 pushes the locking member 5 to lock the holding portion 21.
[0037] Furthermore, in the quick-change disc with self-locking circuit protection of the present invention, the intake valve further includes a spring for returning the intake valve core 9 to its original position.
[0038] Specifically, the quick-change disk with self-locking circuit protection of the present invention further includes a one-way valve 10, which is connected in series to the gas-liquid self-locking circuit 6 and is located between the medium inlet 8 and the air inlet valve.
[0039] Furthermore, the quick-change disk with self-locking circuit protection of the present invention, the protection valve includes a protection valve body 71 and a protection valve core 72, the protection valve body 71 is embedded in the second main body 2, the protection valve core 72 is retractably slidably arranged in the protection valve body 71 and is located in the gas-liquid self-locking circuit 6, the protection valve body 71 is provided with an air guide hole, when the protection valve core 72 is in a compressed state, the medium inlet 8 is connected to the push-down chamber 12 through the air guide hole.
[0040] Specifically, in the quick-change disk with self-locking circuit protection of the present invention, the end of the protection valve core 72 is exposed outward from the second body 2, which is convenient for manual or mechanical touch pressing and easy operation.
[0041] Specifically, in the quick-change disc with self-locking circuit protection of the present invention, the intake valve further includes a spring for returning the protection valve core 72 to its original position.
[0042] Specifically, the quick-change disk with self-locking circuit protection of the present invention, the locking member 5 is a ball, and the ball is movably arranged on the wall of the embedded tube body 41; it also includes an air circuit block 13, the air-liquid self-locking circuit 6 is arranged in the air circuit block 13, and the air circuit block 13 is installed on the first main body 1.
[0043] The quick-change disk self-locking method of the present invention uses the quick-change disk of the present invention. When the first body 1 and the second body 2 are in a combined state, the intake valve core 9 is pressed by the second body 2, and the medium enters the push-up chamber 11 through the medium inlet 8 to form a passage state. The medium pushes the piston member 3 downward, and the piston member 3 pushes the locking member 5 to lock the holding portion 21; when the first body 1 and the second body 2 are to be separated, an external force presses the protective valve core 72, and the medium enters the push-down chamber 12 through the medium inlet 8 to form a passage state. The medium pushes the piston member 3 upward, thereby releasing the relative lock between the locking member 5 and the holding portion 21.
[0044] The self-locking method for quick-change discs disclosed in this invention prevents the potential safety hazard of disc release caused by electrical signal misoperation. The mechanical design of the protective valve ensures that after the male and female discs are engaged, specific mechanical triggering conditions must be met to release the quick-change disc. This eliminates the impact of electrical misoperation on the quick-change disc release, ensuring safety and reliability.
[0045] In summary, it can be seen that the present invention has the above-mentioned excellent characteristics, which can enhance its performance unprecedented in the past and become a product with great practical value.
[0046] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there may be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.
Claims
1. Quick-change plate with self-locking circuit protection, characterized by: The first body and the second body are matched and arranged. The apparatus further comprises a piston member and an exchange head. The first body and the second body are respectively provided with a first accommodating chamber and a second accommodating chamber. The piston member is provided in the first accommodating chamber. The exchange head is provided in the first body. A clamping portion is provided at the open end of the second accommodating chamber. The exchange head protrudes to form an embedded tube body. The embedded tube body is provided with a movable locking member. The clamping portion is arranged in cooperation with the embedded tube body. After the embedded tube body is connected with the clamping member, the piston member pushes the locking member to lock the clamping portion. The cam is secured to the cam face and is adapted to engage the first and second cams when the cam is in a position to engage the first and second cams, respectively, to engage the first and second cams when the cam is in a position to engage the first and second cams.
2. The quick-change disk with self-locking circuit protection according to claim 1, characterized in that: The intake valve includes a retractable intake valve core, which is retractably arranged on the first body and located in the gas-liquid self-locking circuit. When the locking member locks the clamping portion, the second body presses the intake valve core, and the medium inlet is connected to the push-up chamber. The medium introduced into the gas-liquid self-locking circuit can push the piston member in the direction toward the clamping portion, and the piston member pushes the locking member to lock the clamping portion.
3. The quick-change disk with self-locking circuit protection according to claim 2, characterized in that: The intake valve further includes a spring for returning the intake valve core.
4. The quick-change disk with self-locking circuit protection according to claim 2, characterized in that: It also includes a one-way valve, which is connected in series to the gas-liquid self-locking circuit and is located between the medium inlet and the air inlet valve.
5. The quick-change disk with self-locking circuit protection according to claim 1, characterized in that: The protection valve includes a protection valve body and a protection valve core. The protection valve body is embedded in the second main body. The protection valve core is retractably slidably arranged on the protection valve body and is located in the gas-liquid self-locking circuit. The protection valve body is provided with an air guide hole. When the protection valve core is compressed, the medium inlet is connected to the push-down chamber through the air guide hole.
6. The quick-change disk with self-locking circuit protection according to claim 5, characterized in that: The end portion of the protection valve core is exposed outward from the second body.
7. The quick-change disk with self-locking circuit protection according to claim 5, characterized in that: The air intake valve further comprises a spring for returning the protection valve core to its original position.
8. The quick-change disk with self-locking circuit protection according to claim 1, characterized in that: The locking member is a ball, which is movably arranged on the wall of the embedded tube body; it also includes an air circuit block, the air-liquid self-locking circuit is arranged on the air circuit block, and the air circuit block is installed on the first main body.
9. The quick-change disc self-locking method is characterized by: When using the quick-change disc described in any one of claims 1 to 8, when the first body and the second body are in a combined state, the intake valve core is compressed by the second body, and the medium enters the push-up chamber through the medium inlet port to form a passage state, the medium pushes the piston member downward, and the piston member pushes the locking member to lock the holding portion, thereby realizing relative self-locking of the first body and the second body; when the first body and the second body are to be separated, external force compresses the protective valve core, and the medium enters the push-down chamber through the medium inlet port to form a passage state, and the medium pushes the piston member upward, thereby releasing the relative locking of the locking member and the holding portion.
Citation Information
Patent Citations
Quick-change disc with self-locking loop protection
CN214405089U
coupling system for the transmission of fluids
DE102017000992A1