Manual cutter unloading oil cylinder capable of straightly moving and unlocking cutter

Abstract

The utility model discloses a manual cutter unloading oil cylinder capable of straightly moving and unlocking a cutter, which comprises an oil cylinder body, a piston is arranged in the output end of the oil cylinder body, the output end of the oil cylinder body is sleeved with a piston cover, and the piston is movably arranged in the center of the piston cover; the output side of the oil cylinder body is sleeved with the oil cylinder outer sleeve, a groove is formed in the center of the outer end of the piston cover, a lifting pin is movably installed in the groove, the lifting pin is installed at the outer end of the piston through a set screw in a bolted mode, the outer arc face of the piston cover is sleeved with a spring, and the other end of the spring is fixedly connected with the inner wall of the oil cylinder outer sleeve. According to the oil cylinder capable of going straight and being unlocked, linear piston motion of the oil cylinder is achieved through matching of the piston rod, the oil cylinder body and the oil cylinder rear cover, forward transmission is achieved through matching of the oil cylinder outer sleeve in front of the oil cylinder and the lifting pin, and the motion that the tool sleeve is unlocked and pops up forwards is achieved. The problem that a common oil cylinder or air cylinder cannot unlock the cutter sleeve is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil cylinders, in particular to a manual tool unloading oil cylinder capable of moving straight and unlocking a tool. Background Art

[0002] The oil cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has a simple structure and reliable operation. When using it to achieve reciprocating motion, the deceleration device can be eliminated, and there is no transmission gap and the motion is smooth. Therefore, it is widely used in the hydraulic systems of various machines.

[0003] According to the authorization announcement number CN 207961127 U, a continuous extrusion high-efficiency oil cylinder is disclosed, including a first oil cylinder and a second oil cylinder, the first oil cylinder and the second oil cylinder are connected by a partition plate, the first piston of the first oil cylinder passes through the partition plate and is connected to the second piston of the second oil cylinder, the front end of the second oil cylinder is provided with a first oil port connected to the second oil cylinder cavity, the rear end of the first oil cylinder is provided with a fourth oil port connected to the first oil cylinder cavity, the partition plate is provided with a second oil port and a third oil port respectively connected to the first oil cylinder cavity and the second oil cylinder cavity, the second oil port is connected to the first oil cylinder through an oil path extending along the radial direction of the partition plate and then along the axial direction, the third oil port is connected to the second oil cylinder through an oil path extending along the radial direction of the partition plate and then along the axial direction, and the second oil port and the third oil port are located in the same circumferential plane. Through the double oil cylinder structure, the extrusion of liquid aluminum is realized, and the first oil cylinder and the second oil cylinder cooperate in the secondary extrusion so that the defects such as pores, shrinkage holes and looseness inside the extruded metal are less and the structure is dense.

[0004] In the prior art, there are methods for manual tool unloading using ordinary oil cylinders or air cylinders, which meet most requirements compared to tool holders without locks. However, when the ordinary tool holder cannot ensure the fixation of the tool, a tool holder with a lock is required. At this time, the ordinary oil cylinder or air cylinder cannot meet the functions of both moving straight and unlocking. Therefore, there is a need for a manual tool unloading oil cylinder that can move straight and unlock the tool. Utility Model Content

[0005] The purpose of the utility model is to provide a manual tool unloading cylinder that can move straight and unlock the tool. Through the cooperation of the piston rod, the cylinder body, and the cylinder rear cover, the cylinder can realize linear piston movement, and the cylinder jacket and the top pin in front of the cylinder cooperate to transmit the power forward, thereby realizing the movement of unlocking the tool sleeve and ejecting it forward, so as to solve the technical problems mentioned in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a manual tool unloading cylinder capable of moving straight and unlocking a tool, comprising a cylinder body and a cylinder rear cover, a piston is arranged inside the output end of the cylinder body, a piston cover is installed on the output end sleeve of the cylinder body, and the piston is movably installed at the center of the piston cover;

[0007] A groove is provided at the center of the outer end of the piston cover, a push pin is movably installed inside the groove, and the push pin is bolted to the outer end of the piston through a set screw;

[0008] The output side of the oil cylinder body is sleeved and installed with an oil cylinder jacket, the front end of the oil cylinder jacket is penetrated with a through hole, the outer arc surface of the piston cover is fitted in the through hole, and the outer end of the piston cover extends out from the inside of the through hole;

[0009] A spring is sleeved and installed on the outer arc surface of the piston cover, and the other end of the spring is fixedly connected to the inner wall of the cylinder jacket.

[0010] Preferably, a second oil passage is arranged inside the oil cylinder body corresponding to the piston installation position, and a first oil passage is arranged inside the oil cylinder body above the second oil passage.

[0011] Preferably, the oil cylinder rear cover is sealed and connected to the end of the oil cylinder body by bolts, and the middle of the front end of the oil cylinder rear cover is inserted into the interior of the oil cylinder body for sealing installation.

[0012] Preferably, the oil cylinder rear cover is provided with a group of oil ports corresponding to the first oil passage and the second oil passage, respectively, and each group of oil ports is externally sealed with a group of conduit joints.

[0013] Preferably, the outer arc surface of the cylinder jacket is bolted with a plurality of fixing rings of equal arc, and the rear side of the outer arc surface of the cylinder jacket is sleeved with a cylinder adjustment seat, which is bolted to the surface of the external tool magazine body.

[0014] Preferably, a flange is sleeved and installed on the outer arc surface of the oil cylinder body, and the oil cylinder body and the flange passage bolts are bolted and installed on the oil cylinder adjustment seat.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model provides a straight-moving and unlockable oil cylinder, which realizes linear piston movement through the cooperation of a piston rod, a cylinder body and a cylinder rear cover, and transmits the power forward through the cooperation of a cylinder jacket and a top pin in front of the cylinder, thereby realizing the movement of unlocking the tool sleeve and ejecting it forward, thus solving the problem that an ordinary oil cylinder or air cylinder cannot unlock the tool sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a schematic diagram of the oil cylinder structure of a rotatable and unlockable knife sleeve.

[0018] In the figure: 1. Piston; 2. Piston cover; 3. Ejector pin; 4. Cylinder outer cover; 5. Fixing ring; 6. Cylinder adjustment seat; 7. Flange; 8. Cylinder body; 9. Cylinder rear cover; 10. First oil channel; 11. Second oil channel; 12. Spring. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the drawings in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0020] Can be arranged and designed in a variety of different configurations.

[0021] Therefore, the following detailed description of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present invention.

[0022] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0023] In the description of the present invention, unless otherwise clearly specified and limited, the terms "disposed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] The utility model provides: a manual tool unloading cylinder capable of moving straight and unlocking a tool, such as Figure 1As shown, it includes a cylinder body 8 and a cylinder rear cover 9, a piston 1 is arranged inside the output end of the cylinder body 8, a piston cover 2 is installed on the output end of the cylinder body 8, and the piston 1 is movably installed in the center of the piston cover 2; a groove is provided in the center of the outer end of the piston cover 2, and a top pin 3 is movably installed inside the groove, and the top pin 3 is bolted to the outer end of the piston 1 through a set screw; a cylinder jacket 4 is sleeved on the output side of the cylinder body 8, a through hole is opened through the front end of the cylinder jacket 4, the outer arc surface of the piston cover 2 is fitted in the through hole, and the outer end of the piston cover 2 extends from the inside of the through hole; a spring 12 is sleeved on the outer arc surface of the piston cover 2, and the other end of the spring 12 is fixedly connected to the inner wall of the cylinder jacket 4. The equipment applied by this patent is generally a tool magazine with a self-removal tool function, and the horizontally installed tool magazine is locked for locking the tool to prevent the tool from falling, and this patent uses a piston 1, The cooperation of the piston cover 2, the push pin 3, the cylinder jacket 4, the cylinder adjustment seat 6, the cylinder body 8, the cylinder rear cover 9 and the tool magazine body allows the cylinder to perform a simple straight movement, so that the push pin 3 can lock the pin inside the tool, and then support the tool to push the tool in to complete the tool removal work, which can realize the unlocking of the tool sleeve. In addition, when oil is added, the piston 1 pushes the piston cover 2 and drives the push pin 3 to move at the same time, and the piston cover 2 and the cylinder jacket 4 are driven by the spring 12 to move the cylinder jacket 4, and then the cylinder jacket 4 first pushes the lock of the tool sleeve to unlock the tool sleeve. After that, the piston 1 continues to move forward under the action of oil pressure, thereby driving the piston cover 2 and the push pin 3 to move forward, and then the push pin 3 pushes the pull pin at the end of the tool magazine, resulting in the process of manual tool unloading, thereby completing the function of unlocking the tool sleeve and pushing out the tool, which cannot be completed by ordinary cylinders.

[0025] Preferably, a second oil passage 11 is provided inside the cylinder body 8 corresponding to the installation position of the piston 1, and a first oil passage 10 is provided inside the cylinder body 8 at the upper part of the second oil passage 11. The first oil passage 10 and the second oil passage 11 provided inside the cylinder body 8 can provide sufficient power for the ejection of the ejector pin 3 and can quickly ensure the resetting of the ejector pin 3, making the use of the screw ejector pin 3 safer and more stable.

[0026] Furthermore, the cylinder rear cover 9 is sealed and connected to the end of the cylinder body 8 by bolts, and the middle of the front end of the cylinder rear cover 9 is inserted into the cylinder body 8 and sealed and installed. The cylinder rear cover 9 is sealed and connected to the cylinder body 8 to ensure that the oil body inside the cylinder body 8 can more effectively output power to the piston 1.

[0027] Furthermore, a group of oil ports are respectively opened in the rear cover 9 of the oil cylinder corresponding to the positions of the first oil channel 10 and the second oil channel 11, and a group of conduit joints are sealed and installed on the outside of each group of oil ports. The conduit joints installed on the outside of the oil ports opened inside the rear cover 9 of the oil cylinder enable the oil to circulate stably, so that the oil cylinder can perform simple straight-line motion and also realize the unlocking of the tool sleeve.

[0028] It is worth mentioning that a plurality of fixing rings 5 ​​are bolted and installed on the outer arc surface of the cylinder sleeve 4 with equal arc, and a cylinder adjustment seat 6 is sleeved and installed on the rear side of the outer arc surface of the cylinder sleeve 4. The cylinder adjustment seat 6 is bolted to the surface of the external tool magazine body. The installed fixing rings 5 ​​and the cylinder adjustment seat 6 are used to position the cylinder sleeve 4 and the use position, so that the overall device can be more stably installed on the tool magazine body, so that the device can stably complete the work of pushing out the tool and unlocking the tool sleeve.

[0029] Specifically, a flange 7 is installed on the outer arc surface of the cylinder body 8, and the cylinder body 8 and the flange 7 are bolted to the cylinder adjustment seat 6. The installed flange 7 controls the relationship between the cylinder body 8 and the cylinder adjustment seat 6, which can ensure the positional relationship between the cylinder body 8 and the cylinder jacket 4, so that the spring 12 inside the cylinder jacket 4 can better position the use position of the cylinder body 8.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A manual tool unloading cylinder capable of moving straight and unlocking a tool, characterized in that: It comprises an oil cylinder body (8) and an oil cylinder rear cover (9), wherein a piston (1) is arranged inside the output end of the oil cylinder body (8), a piston cover (2) is installed on the output end sleeve of the oil cylinder body (8), and the piston (1) is movably installed at the center of the piston cover (2); A groove is provided at the center of the outer end of the piston cover (2), a push pin (3) is movably installed inside the groove, and the push pin (3) is bolted to the outer end of the piston (1) through a set screw; The output side of the oil cylinder body (8) is sleeved with the oil cylinder jacket (4), the front end of the oil cylinder jacket (4) is penetrated with a through hole, the outer arc surface of the piston cover (2) is fitted in the through hole, and the outer end of the piston cover (2) extends out from the inside of the through hole; A spring (12) is sleeved and installed on the outer arc surface of the piston cover (2), and the other end of the spring (12) is fixedly connected to the inner wall of the cylinder jacket (4).

2. A manual tool unloading cylinder capable of moving straight and unlocking a tool according to claim 1, characterized in that: A second oil passage (11) is arranged inside the oil cylinder body (8) corresponding to the installation position of the piston (1), and a first oil passage (10) is arranged inside the oil cylinder body (8) above the second oil passage (11).

3. A manual tool unloading cylinder capable of moving straight and unlocking a tool according to claim 2, characterized in that: The oil cylinder rear cover (9) is sealed and connected to the end of the oil cylinder body (8) by bolts, and the front middle part of the oil cylinder rear cover (9) is inserted into the interior of the oil cylinder body (8) for sealing installation.

4. A manual tool unloading cylinder capable of moving straight and unlocking a tool according to claim 3, characterized in that: The oil cylinder rear cover (9) is provided with a group of oil ports corresponding to the first oil passage (10) and the second oil passage (11), and each group of oil ports is sealed with a group of conduit joints on the outside.

5. A manual tool unloading cylinder capable of moving straight and unlocking a tool according to claim 4, characterized in that: The outer arc surface of the cylinder sleeve (4) is bolted with a plurality of sets of fixing rings (5) of equal arc, and the rear side of the outer arc surface of the cylinder sleeve (4) is sleeved with a cylinder adjustment seat (6), and the cylinder adjustment seat (6) is bolted to the surface of the external tool magazine body.

6. A manual tool unloading cylinder capable of moving straight and unlocking a tool according to claim 5, characterized in that: The outer arc surface of the oil cylinder body (8) is sleeved with a flange (7), and the oil cylinder body (8) and the flange (7) are bolted and installed on the oil cylinder adjustment seat (6) through bolts.

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