Mechanical limiting protection mechanism

Abstract

The utility model discloses a mechanical limiting protection mechanism, which belongs to the technical field of mechanical protection mechanisms, and comprises a mechanical shell, a feed shaft, a threaded screw rod, a screw rod nut, a feed sliding block and a silica gel soft block, the screw rod nut is sleeved on the threaded screw rod in a threaded and sliding manner and is rotatably connected with the feed sliding block, and the feed shaft is connected with the feed sliding block in a threaded and sliding manner. The silica gel soft block is connected into the mechanical shell in a sliding mode, in the using process, the lead screw nut and the feeding sliding block can be well limited, rotation of the threaded lead screw and the lead screw nut can be well protected, and therefore threads on the threaded lead screw are prevented from being damaged by hard shearing force, and the service life of the threaded lead screw is prolonged. Meanwhile, the feeding sliding block can be well buffered and protected when sliding to the tail end, so that a guide sliding block on the feeding sliding block is prevented from being damaged due to hard collision, all components of a machine are well subjected to limiting protection, and the use efficiency and the protection performance of the limiting protection mechanism are effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical protection mechanisms, and in particular relates to a mechanical limit protection mechanism. Background Art

[0002] In the production process of pickled vegetables, a large number of mechanical tools are needed, such as stainless steel telescopic mechanical arms, mechanical grippers, and fully automatic vegetable taking machines, etc.

[0003] The operation of these mechanical tools involves the rotation and feeding of mechanical parts. During the rotation and feeding process, the existing mechanical parts cannot effectively limit the protection of each part during operation. Therefore, it may cause damage to the screw or screw nut during rotation, or damage to the feed slider during feeding, thereby affecting the subsequent normal use of the mechanical tooling, and further resulting in the failure to improve the efficiency and protection of the mechanical limit protection mechanism. Utility Model Content

[0004] In view of the fact that existing mechanical components are unable to perform good limit protection on each component during operation, which may cause damage to the screw or screw nut during rotation, or damage to the feed slider during feeding, thereby affecting the subsequent normal use of the mechanical tooling, and further leading to the problem that the efficiency and protectiveness of the mechanical limit protection mechanism cannot be improved, the utility model provides a mechanical limit protection mechanism to solve the problems raised in the background technology.

[0005] To solve the above problems, the utility model adopts the following technical solutions.

[0006] A mechanical limit protection mechanism includes a mechanical limit protection mechanism, wherein the mechanical limit protection mechanism includes a mechanical housing, a feed shaft, a threaded screw, a screw nut, a feed slider and a silicone soft block, wherein the feed shaft is slidably connected in the mechanical housing and fixedly connected to the feed slider, the threaded screw is rotatably connected in the mechanical housing, the screw nut is threadedly slidably sleeved on the threaded screw and rotatably connected to the feed slider, the feed slider is slidably connected in the mechanical housing, and the silicone soft block is slidably connected in the mechanical housing.

[0007] Preferably, a bearing seat is provided on the rear side wall of the mechanical housing, the bearing seat is fixedly connected to the rear side wall of the mechanical housing, the threaded screw is provided in the mechanical housing, one end of the threaded screw is rotatably connected to the bearing seat, and limit stops are provided on both sides of the threaded screw, and the limit stops are fixedly connected to the threaded screw.

[0008] Preferably, the screw nut is arranged on the threaded screw, the screw nut thread is slidably sleeved on the threaded screw, two limit stops are arranged on both sides of the screw nut, the two limit stops are fixedly connected to the screw nut, the feed slider is arranged in the mechanical housing, the feed shaft is fixedly connected to one side of the feed slider, and the feed slider is rotatably sleeved on the screw nut.

[0009] Preferably, guide grooves are provided on the upper and lower walls within the mechanical housing, guide sliders are provided on the upper and lower ends of the feed slider, the guide slider is fixedly connected to the upper and lower ends of the feed slider, the shape and specification of the guide slider are adapted to the guide grooves, and the feed slider is slidably connected in the mechanical housing through the cooperation of the guide grooves and the guide slider.

[0010] Preferably, limiting buffer grooves are provided on both sides of the guide groove of the mechanical housing, a return spring is provided in the limiting buffer groove, the silicone soft block is arranged in the limiting buffer groove, one end of the return spring is fixedly connected in the limiting buffer groove, and the other end is fixedly connected to the silicone soft block.

[0011] Beneficial Effects

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The above-mentioned mechanical limit protection mechanism, through the coordinated use of components such as the feed shaft, threaded screw, limit block one, screw nut, limit block two, feed slider and silicone soft block, enables the mechanical limit protection mechanism to well limit the screw nut and the feed slider during use, and to well protect the rotation of the threaded screw and the screw nut to prevent the threads on the threaded screw from being damaged by hard shear force. At the same time, the feed slider can be well buffered when sliding to the end to prevent the guide slider on the feed slider from being damaged by hard collision, thereby well limiting the components of various parts of the machine, thereby effectively improving the use efficiency and protectiveness of the mechanical limit protection mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the mechanical limit protection mechanism in the utility model;

[0015] Figure 2 It is a schematic diagram of the connection structure between the feed slider and the threaded screw rod in the utility model;

[0016] Figure 3 For the utility model Figure 1 Enlarged view of point A in .

[0017] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0018] In the figure: 100, mechanical limit protection mechanism; 1, mechanical housing; 2, feed shaft; 3, bearing seat; 4, threaded screw; 41, limit block 1; 5, screw nut; 6, limit block 2; 7, feed slide; 8, guide slide; 9, guide slide; 10, limit buffer groove; 11, reset spring; 12, silicone soft block. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with a specific utility model.

[0020] Example

[0021] like Figures 1 to 3 As shown, it is a structural schematic diagram of a mechanical limit protection mechanism of a preferred embodiment of the utility model. The mechanical limit protection mechanism 100 of this embodiment includes a mechanical housing 1, a feed shaft 2, a threaded screw 4, a screw nut 5, a feed slider 7 and a silicone soft block 12. The feed shaft 2 is slidably connected in the mechanical housing 1 and fixedly connected to the feed slider 7. The threaded screw 4 is rotatably connected in the mechanical housing 1. The screw nut 5 is threadedly slidably sleeved on the threaded screw 4 and rotatably connected to the feed slider 7. The feed slider 7 is slidably connected in the mechanical housing 1, and the silicone soft block 12 is slidably connected in the mechanical housing 1.

[0022] A bearing seat 3 is arranged on the rear side wall inside the mechanical housing 1, and the bearing seat 3 is fixedly connected to the rear side wall inside the mechanical housing 1. The threaded screw 4 is arranged in the mechanical housing 1, and one end of the threaded screw 4 is rotatably connected to the bearing seat 3. Limit blocks 41 are arranged on both sides of the threaded screw 4, and the limit blocks 41 are fixedly connected to the threaded screw 4, which are used to facilitate the rotation of the threaded screw 4 during the use of the mechanical limit protection mechanism 100 and play a certain limiting role.

[0023] The screw nut 5 is arranged on the threaded screw 4, and the screw nut 5 is threadedly slidably sleeved on the threaded screw 4. Limit blocks 2 6 are arranged on both sides of the screw nut 5, and the limit blocks 2 6 are fixedly connected to the screw nut 5. The feed slider 7 is arranged in the mechanical housing 1, and the feed shaft 2 is fixedly connected to one side of the feed slider 7. The feed slider 7 is rotatably sleeved on the screw nut 5, and is used to drive the feed shaft 2 to feed and slide through the feed slider 7 by sliding the screw nut 5 on the threaded screw 4 during the use of the mechanical limit protection mechanism 100. At the same time, the limit blocks 2 6 on the screw nut 5 can be mutually limited with the limit blocks 1 41 on the threaded screw 4.

[0024] The upper and lower walls within the mechanical housing 1 are provided with guide grooves 8, and the upper and lower ends of the feed slider 7 are provided with guide sliders 9. The guide slider 9 is fixedly connected to the upper and lower ends of the feed slider 7. The shape and specifications of the guide slider 9 are adapted to the guide grooves 8. The feed slider 7 is slidably connected in the mechanical housing 1 through the coordinated use of the guide grooves 8 and the guide slider 9, so as to enable the feed slider 7 to slide stably in the mechanical housing 1 during the use of the mechanical limit protection mechanism 100.

[0025] Limiting buffer grooves 10 are arranged on both sides of the guide groove 8 of the mechanical housing 1, and a reset spring 11 is arranged in the limiting buffer groove 10. The silicone soft block 12 is arranged in the limiting buffer groove 10. One end of the reset spring 11 is fixedly connected in the limiting buffer groove 10, and the other end is fixedly connected to the silicone soft block 12, which is used to limit the sliding of the feed slider 7 during the use of the mechanical limiting protection mechanism 100, and at the same time can well protect the guide slider 9 on the feed slider 7 from being subjected to hard collision.

[0026] In this embodiment, during the use of the mechanical limit protection mechanism 100, when the feed shaft 2 is connected to the mechanical output component for use, the screw nut 5 will slide on the screw 4 during the rotation of the threaded screw 4. At this time, the feed shaft 2 will drive the feed slider 7 to slide in the mechanical housing 1 through the screw nut 5, thereby completing the feeding of the mechanical component. During the continuous sliding of the screw nut 5, when the screw nut 5 slides to the end of the threaded screw 4, the limit stopper 6 on the screw nut 5 will engage with the threaded screw 4 contacts the limit stopper 41 on the screw rod 4. At this time, the threaded screw rod 4 and the screw nut 5 will be limited to each other. Due to the rotational connection between the screw nut 5 and the feed slider 7, the rotation of the threaded screw rod 4 will drive the screw nut 5 to rotate together without damaging the thread on the threaded screw rod 4 due to the hard shear force. At the same time, when the screw nut 5 slides to the end of the threaded screw rod 4, the guide slider 9 on the feed slider 7 will also slide to one end of the guide slide groove 8. At this time, the silicone soft block 12 in the limit buffer groove 10 will contact the guide slider 9 makes contact, and at the same time, the return spring 11 in the limit buffer groove 10 will be compressed by pressure, so as to provide good buffer protection for the guide slider 9 to prevent the guide slider 9 from being affected by collision, thereby providing good limit protection for various mechanical parts. The utility model has a simple structure and is easy to use. Through the coordinated use of components such as the feed shaft 2, the threaded screw 4, the limit stopper 41, the screw nut 5, the limit stopper 6, the feed slider 7 and the silicone soft block 12, the mechanical limit protection mechanism 100 can well limit the screw nut 5 and the feed slider 7 during use, and can well protect the rotation of the threaded screw 4 and the screw nut 5 to prevent the threads on the threaded screw 4 from being damaged by hard shear force. At the same time, the feed slider 7 can be well buffered when it slides to the end to prevent the guide slider 9 on the feed slider 7 from being damaged by hard collision, thereby providing good limit protection for various parts and components of the machine, thereby effectively improving the use efficiency and protection of the mechanical limit protection mechanism 100.

[0027] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A mechanical limit protection mechanism, comprising a mechanical limit protection mechanism (100), Features: The mechanical limit protection mechanism (100) comprises a mechanical housing (1), a feed shaft (2), a threaded screw (4), a screw nut (5), a feed slider (7) and a silicone soft block (12); the feed shaft (2) is slidably connected in the mechanical housing (1) and fixedly connected to the feed slider (7); the threaded screw (4) is rotatably connected in the mechanical housing (1); the screw nut (5) is threadedly slidably sleeved on the threaded screw (4) and rotatably connected to the feed slider (7); the feed slider (7) is slidably connected in the mechanical housing (1); and the silicone soft block (12) is slidably connected in the mechanical housing (1).

2. A mechanical limit protection mechanism according to claim 1, characterized in that: A bearing seat (3) is arranged on the rear side wall of the mechanical housing (1), and the bearing seat (3) is fixedly connected to the rear side wall of the mechanical housing (1). The threaded screw (4) is arranged in the mechanical housing (1), and one end of the threaded screw (4) is rotatably connected to the bearing seat (3). Limit blocks (41) are arranged on both sides of the threaded screw (4), and the limit blocks (41) are fixedly connected to the threaded screw (4).

3. A mechanical limit protection mechanism according to claim 2, characterized in that: The screw nut (5) is arranged on the threaded screw (4), the screw nut (5) is threadedly slidably sleeved on the threaded screw (4), two limit stops (6) are arranged on both sides of the screw nut (5), the two limit stops (6) are fixedly connected to the screw nut (5), the feed slider (7) is arranged in the mechanical housing (1), the feed shaft (2) is fixedly connected to one side of the feed slider (7), and the feed slider (7) is rotatably sleeved on the screw nut (5).

4. A mechanical limit protection mechanism according to claim 1, characterized in that: The upper and lower walls in the mechanical housing (1) are provided with guide slide grooves (8), the upper and lower ends of the feed slide block (7) are provided with guide slide blocks (9), the guide slide block (9) is fixedly connected to the upper and lower ends of the feed slide block (7), the shape and specification of the guide slide block (9) are adapted to the guide slide groove (8), and the feed slide block (7) is slidably connected in the mechanical housing (1) through the coordinated use of the guide slide groove (8) and the guide slide block (9).

5. A mechanical limit protection mechanism according to claim 4, characterized in that: Limiting buffer grooves (10) are arranged on both sides of the guide groove (8) of the mechanical housing (1), a return spring (11) is arranged in the limiting buffer groove (10), and the silicone soft block (12) is arranged in the limiting buffer groove (10), one end of the return spring (11) is fixedly connected in the limiting buffer groove (10), and the other end is fixedly connected to the silicone soft block (12).

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