Accurate grinding machining device for piston rod of gas spring

Abstract

The utility model discloses an accurate grinding device for a piston rod of a gas spring, which comprises a base, and a plurality of adjusting blocks which are distributed in parallel and are arranged on the base in a sliding manner through a sliding component are arranged on the base; a locking assembly is installed in one end of the adjusting block and used for clamping and fixing the piston rod. A plurality of accurate grinding assemblies which are distributed in pairs with the adjusting blocks are fixedly mounted on the base and are used for accurately grinding the piston rod; a lead screw is in threaded transmission connection with the interior of the other end of the adjusting block, the lead screw is driven to rotate through a first driving mechanism installed on the base, the sliding assembly comprises a guide rail fixed to the base and a sliding block fixed to the bottom of the adjusting block, and the sliding block is clamped to the guide rail in a sliding mode; the utility model relates to the technical field of accurate grinding of piston rods, in particular to an accurate grinding processing device of a gas spring piston rod, which can play a role in batch accurate grinding, is convenient to disassemble and assemble, and can effectively improve the processing efficiency of the piston rod.

Description

Technical Field

[0001] The utility model relates to the technical field of piston rod fine grinding, in particular to a fine grinding processing device for a gas spring piston rod. Background Art

[0002] Gas spring is an industrial accessory that can perform functions such as support, cushioning, braking, height adjustment and angle adjustment. It consists of the following parts: pressure cylinder, piston rod, piston, sealing guide sleeve, filler, control elements inside the cylinder, control elements outside the cylinder and joints, etc. The piston rod is the connecting component that supports the piston to do work.

[0003] During the production and processing of the gas spring piston rod, the piston rod needs to be polished to remove the burrs on the surface of the piston rod. Since the basic feature of the piston rod is the processing of a slender shaft, the grinding process is difficult and is usually performed manually using a grinding wheel, and the grinding efficiency is low. In order to solve the above problems, patent CN201922351678.5 discloses a grinding device for piston rod processing, but it still has the following defects during implementation: only a single piston rod can be polished at a time, and batch processing is not possible. At the same time, the disassembly and assembly process is cumbersome, resulting in low grinding efficiency, affecting the processing efficiency. For this reason, we propose a fine grinding processing device for the gas spring piston rod. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a fine grinding processing device for a gas spring piston rod, which solves the problem that the existing fine grinding processing device can only grind a single piston rod at a time and cannot perform batch processing, and the disassembly and assembly process is cumbersome, resulting in low grinding efficiency and affecting processing efficiency.

[0005] To achieve the above purpose, the utility model is implemented by the following technical solutions: a fine grinding processing device for a gas spring piston rod, comprising a base, on which a plurality of adjustment blocks are arranged in parallel and slidably mounted on the base through a sliding assembly;

[0006] A locking assembly is installed inside one end of the adjusting block to clamp and fix the piston rod;

[0007] A plurality of fine grinding assemblies distributed in pairs with the adjusting blocks are fixedly mounted on the base for fine grinding the piston rod;

[0008] The other end of the adjusting block is internally threadedly connected with a screw rod, and the screw rod is driven to rotate by a first driving mechanism installed on the base.

[0009] Preferably, the sliding assembly comprises a guide rail fixed on the base and a slider fixed on the bottom of the adjustment block, and the slider is slidably connected to the guide rail.

[0010] Preferably, the locking assembly comprises a slot provided inside the adjusting block, the piston rod is movably connected inside the slot, an electromagnet is installed on the inner wall of the slot, and the electromagnet is connected to the piston rod by magnetic adsorption.

[0011] Preferably, the fine grinding assembly comprises a grinding seat fixed on the base, the grinding seat is provided with a grinding hole matched with the outer diameter of the adjusting block, and the piston rod is movably inserted in the grinding hole.

[0012] Preferably, the first driving mechanism includes a limit plate fixed on the base, one end of the screw rod is connected to a connecting rod passing through the limit plate, one end of the connecting rod is connected to a worm gear, two bearing seats are fixedly mounted on the base, a rotating rod is rotatably mounted on the bearing seat, a worm connected to the worm gear is mounted on the rotating rod, and the rotating rod is driven to rotate by the second driving mechanism.

[0013] Preferably, the second driving mechanism comprises a driven pulley fixed on the rotating rod and a motor fixed on the base, a driving pulley is mounted on the output shaft of the motor, and the driving pulley and the driven pulley are connected via a belt transmission.

[0014] Preferably, a controller for controlling electrical components of the device is installed on the base.

[0015] Beneficial Effects

[0016] The utility model provides a fine grinding device for a gas spring piston rod. Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. A fine grinding processing device for a gas spring piston rod is provided with multiple adjustment blocks slidably installed on a base for clamping and fixing the piston rods respectively, and fine grinding components are arranged in pairs. One end of the adjustment block is threadedly connected to a lead screw, and the lead screw is driven to rotate by a first driving mechanism, so that the first driving mechanism synchronously drives multiple lead screws to rotate, which can simultaneously drive multiple adjustment blocks to move horizontally synchronously, thereby driving the piston rod installed at one end of the adjustment block to move horizontally synchronously, so that the piston rod moves to the inside of the grinding hole and reciprocates and rubs against the inner wall of the grinding seat to remove burrs on the surface of the piston rod, thereby achieving the effect of batch fine grinding, which can effectively improve the processing efficiency of the piston rod.

[0018] 2. In this kind of fine grinding processing device for the piston rod of a gas spring, a locking assembly is arranged at one end of the adjusting block, and the locking assembly includes a card slot and an electromagnet, so that the piston rod can be movably inserted into the electromagnet and quickly limited and clamped to be installed inside the adjusting block. At the same time, the piston rod is fixed by energizing the electromagnet and magnetically adsorbing the piston rod. The card connection and magnetic absorption installation method can facilitate the rapid disassembly and assembly of the piston rod, and the replacement is convenient, which is conducive to improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first viewing angle;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a second viewing angle;

[0021] Figure 3 It is a schematic diagram of the partial cross-sectional structure of the main view of the utility model.

[0022] In the figure: 1. base; 2. adjusting block; 3. piston rod; 4. sliding assembly; 41. guide rail; 42. slider; 5. locking assembly; 51. slot; 52. electromagnet; 6. fine grinding assembly; 61. grinding seat; 62. grinding hole; 7. screw; 8. first driving mechanism; 81. limit plate; 82. worm gear; 83. rotating rod; 84. worm; 85. bearing seat; 86. second driving mechanism; 861. driven pulley; 862. motor; 863. driving pulley. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3 , the utility model provides two technical solutions:

[0025] Embodiment 1:

[0026] A fine grinding device for a gas spring piston rod comprises a base 1, on which a plurality of adjustment blocks 2 are arranged and distributed in parallel and slidably mounted on the base 1 through a sliding assembly 4;

[0027] A locking assembly 5 is installed inside one end of the adjusting block 2 to clamp and fix the piston rod 3;

[0028] A plurality of fine grinding assemblies 6 arranged in pairs with the adjusting blocks 2 are fixedly mounted on the base 1 for fine grinding the piston rod 3;

[0029] The other end of the adjusting block 2 is internally threadedly connected to a screw rod 7 , and the screw rod 7 is driven to rotate by a first driving mechanism 8 installed on the base 1 .

[0030] Embodiment 2:

[0031] The main difference from the first embodiment is:

[0032] A fine grinding device for a gas spring piston rod, wherein a sliding assembly 4 comprises a guide rail 41 fixed on a base 1 and a slider 42 fixed on the bottom of an adjusting block 2, wherein the slider 42 is slidably engaged with the guide rail 41, and the adjusting block 2 is convenient to slide and move on the base 1 by sliding the slider 42 on the guide rail 41; a locking assembly 5 comprises a card slot 51 provided inside the adjusting block 2, wherein a piston rod 3 is movably engaged inside the card slot 51, and an electromagnet 52 is installed on the inner wall of the card slot 51, wherein the electromagnet 52 is energized and magnetically connected to the piston rod 3, and the fixation is released when the power is off, thereby adopting The installation method of snap-on and magnetic attraction can facilitate the rapid fixing and disassembly of the piston rod 3, and the replacement is convenient; the fine grinding assembly 6 includes a grinding seat 61 fixed on the base 1, and a grinding hole 62 adapted to the outer diameter of the adjusting block 2 is opened on the grinding seat 61. The piston rod 3 is movably inserted into the grinding hole 62. The piston rod 3 moves to the grinding hole 62 and reciprocates with the inner wall of the grinding seat 61 to remove the burrs on the surface of the piston rod 3, thereby achieving the effect of fine grinding; the first driving mechanism 8 includes a limit plate 81 fixed on the base 1, and one end of the screw rod 7 is connected to the through hole 62. The connecting rod passes through the limit plate 81, one end of the connecting rod is connected to a worm gear 82, two bearing seats 85 are fixedly installed on the base 1, a rotating rod 83 is rotatably installed on the bearing seat 85, a worm 84 connected to the worm gear 82 is installed on the rotating rod 83, and the rotating rod 83 is driven to rotate by the second driving mechanism 86. The rotation of the rotating rod 83 drives the worm 84 to rotate, thereby driving the worm gear 82 to rotate and then driving the screw 7 to rotate, thereby driving the adjustment block 2 to move; the second driving mechanism 86 includes a driven pulley 861 fixed on the rotating rod 83 and a motor 8 fixed on the base 1 62. A driving pulley 863 is installed on the output shaft of the motor 862. The driving pulley 863 is connected to the driven pulley 861 through a belt transmission. The starting motor 862 drives the driving pulley 863 to rotate, which drives the driven pulley 861 to rotate, thereby driving the rotating rod 83 to rotate. The rotation of the rotating rod 83 drives the worm 84 to rotate, thereby driving the worm wheel 82 to rotate and then drives the screw rod 7 to rotate, thereby driving the adjustment block 2 to move; a controller for controlling the power components of the device is installed on the base 1, which is convenient for automatic control of the power components and improves the degree of automation.

[0033] When the fine grinding processing device of the gas spring piston rod is used, a plurality of adjusting blocks 2 slidably mounted on the base 1 are respectively used to clamp and fix the piston rod 3, and a pair of fine grinding components 6 are arranged at the same time. One end of the adjusting block 2 is threadedly connected to the screw rod 7, and the screw rod 7 is driven to rotate by the first driving mechanism 8, so that the first driving mechanism 8 synchronously drives the rotation of the plurality of screw rods 7 to simultaneously drive the plurality of adjusting blocks 2 to move horizontally synchronously, thereby driving the piston rod 3 installed at one end of the adjusting block 2 to move horizontally synchronously, so that the piston rod 3 moves to the inside of the grinding hole 62 and reciprocates with the grinding seat 61. The inner wall friction removes burrs on the surface of the piston rod 3, thereby achieving the effect of batch fine grinding, which can effectively improve the processing efficiency of the piston rod 3; in addition, a locking component 5 is arranged at one end of the adjusting block 2 of the utility model, and the locking component 5 includes a card slot 51 and an electromagnet 52, so that the piston rod 3 can be installed in the adjusting block 2 by being movably plugged into the electromagnet 52 and quickly limited and card-connected, and at the same time, the electromagnet 52 is energized and magnetically adsorbed to the piston rod 3 to fix the piston rod 3. The card connection and magnetic attraction installation method can facilitate the rapid disassembly and assembly of the piston rod 3, and the replacement is convenient, which is conducive to improving the processing efficiency.

[0034] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] 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 fine grinding device for a gas spring piston rod, comprising a base (1), characterized in that: The base (1) is provided with a plurality of adjustment blocks (2) which are distributed in parallel and slidably mounted on the base (1) via a sliding assembly (4); A locking assembly (5) is installed inside one end of the adjustment block (2) for clamping and fixing the piston rod (3); A plurality of fine grinding assemblies (6) arranged in pairs with the adjustment blocks (2) are fixedly mounted on the base (1) and are used for fine grinding the piston rod (3); The other end of the adjustment block (2) is internally threadedly connected to a screw rod (7), and the screw rod (7) is driven to rotate by a first driving mechanism (8) installed on the base (1).

2. The fine grinding device for a gas spring piston rod according to claim 1, characterized in that: The sliding assembly (4) comprises a guide rail (41) fixed on the base (1) and a slider (42) fixed on the bottom of the adjustment block (2); the slider (42) is slidably engaged with the guide rail (41).

3. The fine grinding device for a gas spring piston rod according to claim 1, characterized in that: The locking assembly (5) comprises a slot (51) provided inside the adjusting block (2), the piston rod (3) being movably engaged inside the slot (51), an electromagnet (52) being installed on the inner wall of the slot (51), and the electromagnet (52) being connected to the piston rod (3) by magnetic attraction.

4. The fine grinding device for a gas spring piston rod according to claim 1, characterized in that: The fine grinding assembly (6) comprises a grinding seat (61) fixed on the base (1), the grinding seat (61) is provided with a grinding hole (62) matching the outer diameter of the adjustment block (2), and the piston rod (3) is movably inserted into the grinding hole (62).

5. The fine grinding device for a gas spring piston rod according to claim 1, characterized in that: The first driving mechanism (8) comprises a limit plate (81) fixed on the base (1); one end of the screw rod (7) is connected to a connecting rod passing through the limit plate (81); one end of the connecting rod is connected to a worm gear (82); two bearing seats (85) are fixedly mounted on the base (1); a rotating rod (83) is rotatably mounted on the bearing seat (85); a worm (84) drivingly connected to the worm gear (82) is mounted on the rotating rod (83); and the rotating rod (83) is driven to rotate by the second driving mechanism (86).

6. The fine grinding device for a gas spring piston rod according to claim 5, characterized in that: The second driving mechanism (86) comprises a driven pulley (861) fixed on the rotating rod (83) and a motor (862) fixed on the base (1); a driving pulley (863) is mounted on the output shaft of the motor (862); and the driving pulley (863) and the driven pulley (861) are connected via a belt transmission.

7. The fine grinding device for a gas spring piston rod according to claim 1, characterized in that: A controller for controlling the electrical components of the device is installed on the base (1).

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