Pneumatic reaming device with protective cover

Abstract

The utility model relates to the technical field of reaming devices. A pneumatic chambering device with a protective cover comprises a base, an air cylinder is installed on the base, the telescopic end of the air cylinder is in transmission connection with a sliding plate, a chambering insertion rod is longitudinally connected to the sliding plate in an inserted mode, a rubber part installation base used for installing a rubber part is further installed on the base, and the protective cover is a transparent cover body with the left end, the right end and the lower end opened. A handle is mounted at the top of the transparent cover body; two guide rods used for guiding the protective cover to slide are installed on the base, the two guide rods are located in front of and behind the air cylinder, two sliding blocks arranged left and right are installed on the inner walls of the front side and the rear side of the protective cover, and the sliding blocks are in sliding connection with the guide rods; the left and right ends of the guide rod are connected with the base through limiting blocks; and the limiting block at the left end of the guide rod is adjacent to the rubber part mounting seat. By means of the protective cover, protection of the position, close to the reaming insertion rod, of the rubber part installation base is achieved conveniently, and the problem of hand clamping is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to reaming device technical field, specifically is pneumatic reaming device of rubber part. BACKGROUND

[0002] Several via-hole rubber parts are usually used in automobile wire harness, mainly for the transition from wet area to dry area. In the current manufacturing process, the reaming rod is basically fixed on the pre-installed slide plate, and the rubber part is sleeved on the reaming rod during production, and then the wires needing to pass through the rubber part are passed through the corresponding plastic shell terminal.

[0003] The existing reaming device inserts the reaming rod into the rubber part through the cylinder driving the slide plate. For example, the Chinese patent with publication number CN215473203U, but this kind of reaming device does not have a protective cover, which can cause hand clamping and other problems during the action of the cylinder driving the reaming rod to extend into the rubber part. UTILITY MODEL CONTENT

[0004] In view of the problems existing in the prior art, the utility model provides a pneumatic reaming device with a protective cover to solve at least one of the above technical problems.

[0005] In order to achieve the above purpose, the utility model provides a pneumatic reaming device with a protective cover, which comprises a base, a cylinder is installed on the base, the telescopic end of the cylinder is in transmission connection with a slide plate, a reaming rod is vertically inserted into the slide plate, a rubber part mounting seat for mounting a rubber part is also installed on the base, characterized in that it further comprises a protective cover, the protective cover is a transparent cover body with open left end, right end and lower end, a handle is installed on the top of the transparent cover body;

[0006] Two guide rods for guiding the sliding of the protective cover are installed on the base, the two guide rods are located in front of and behind the cylinder, two left and right arranged sliding blocks are installed on the inner walls of the front side and the rear side of the protective cover, and the sliding blocks are in sliding connection with the guide rods;

[0007] The left and right ends of the guide rods are connected with the base through limiting blocks, and the limiting blocks are used to abut against the sliding blocks;

[0008] The limiting block at the left end of the guide rod is arranged adjacent to the rubber part mounting seat.

[0009] The utility model is provided with a protective cover, which can realize the protection of the rubber part mounting seat adjacent to the reaming rod and avoid the problem of hand clamping.

[0010] Further preferably, the sliding block at the right end of the protective cover abuts against the limiting block at the right end of the guide rod, and the cylinder is in a shortened state; the protective cover is in a right limit position, and the slide plate is exposed outside the protective cover;

[0011] The slider of the left end of the protective cover abuts against the limiting block of the left end of the guide rod, and the air cylinder is in the extended state; the protective cover is in the left limit position, the protective cover is arranged adjacent to the rubber mounting seat, and the protective cover at least covers part of the slide plate.

[0012] When the protective cover is in the right limit position, it is convenient to expose the slide plate and facilitate the assembly of the reaming rod.

[0013] When the protective cover is in the left limit position, it is convenient to cover the slide plate and facilitate the anti-pinch hand of the reaming rod at the rubber part station.

[0014] Further preferably, a detection switch for detecting whether the protective cover slides to the left limit position is installed on the base.

[0015] Further preferably, the detection switch is a micro switch.

[0016] Further preferably, it further comprises an air inlet pipeline, an air pressure gauge and a manual valve are installed on the air inlet pipeline along the flow direction, the air inlet pipeline is connected to the air inlet of a two-position five-way electromagnetic valve, and the two output ports of the two-position five-way electromagnetic valve are respectively connected to the two gas chambers of the cylinder separated by the piston through the pipes.

[0017] The micro switch is connected to the two-position five-way electromagnetic valve.

[0018] The micro switch controls the on-off of the two-position five-way electromagnetic valve.

[0019] Further preferably, a circular hole through the guide rod is formed in the top of the limiting block, and a notch is formed in the top of the limiting block and is in communication with the circular hole.

[0020] The top of the limiting block is divided into two clamping parts arranged in front and back through the notch, and the two clamping parts are clamped by bolts.

[0021] It is convenient to clamp and fix the guide rod.

[0022] Further preferably, guide rails in the left-right direction are installed on the base, and a sliding member is detachably connected to the bottom of the slide plate.

[0023] A mounting plate is installed at the left end of the cylinder body of the air cylinder, and a notch for avoiding the guide rail is formed in the bottom of the mounting plate.

[0024] An avoiding opening for the extension rod of the air cylinder to move is formed in the mounting plate.

[0025] Further preferably, the base is detachably connected with the rubber mounting seat.

[0026] Further preferably, a left end of the sliding plate is provided with a left socket for longitudinally inserting the hole-expanding rod.

[0027] A right end of the sliding plate is provided with a right socket for longitudinally inserting an end of the telescopic rod of the air cylinder.

[0028] Further preferably, the hole-expanding rod comprises a detachably arranged hole-expanding rod and a hole-expanding head.

[0029] The hole-expanding rod is in a hollow rod shape, a strip-shaped gap is formed on the hole-expanding rod along an axial direction, two ends of the strip-shaped gap in the axial direction penetrate the hole-expanding rod, and a flange for longitudinally inserting the sliding plate is fixed to an end of the hole-expanding rod away from the hole-expanding head.

[0030] The hole-expanding head comprises left and right arranged conical head portions and mounting portions, the hole-expanding head is transversely inserted with the hole-expanding rod, the mounting portions are inserted in the hole-expanding rod, and an outer diameter of the right end of the conical head portion is greater than an outer diameter of the mounting portion.

[0031] Compared with the prior art, the air cylinder protection device has the following beneficial effects:

[0032] The air cylinder protection device realizes protection during the extension of the air cylinder, and avoids the risk of pinch injury. BRIEF DESCRIPTION OF DRAWINGS

[0033] Fig. 1 is a structural schematic view of the air cylinder protection device;

[0034] Fig. 2 is a structural schematic view of the air cylinder protection device from another perspective;

[0035] Fig. 3 is a structural schematic view of the air cylinder protection device from another perspective.

[0036] In the drawings: 1 is an air cylinder, 2 is a mounting plate, 3 is a sliding plate, 4 is a guide rail, 5 is a guide rod, 6 is a protective cover, 7 is a rubber mounting seat, 8 is a hole-expanding rod, 9 is a micro switch, 10 is a touch block, 11 is an air pressure gauge, 12 is a two-position five-way electromagnetic valve, and 13 is a limiting block. DETAILED DESCRIPTION

[0037] The air cylinder protection device will be further described below with reference to the drawings.

[0038] Referring to Figs. 1 to 3, specific embodiment 1: a pneumatic reaming device with a protective cover, comprising a base, a cylinder 1 is installed on the base, the telescopic end of the cylinder 1 is drivingly connected with a sliding plate 3, a reaming rod 8 is longitudinally inserted into the sliding plate 3, and a rubber part mounting seat 7 for mounting a rubber part is further installed on the base, characterized in that a protective cover 6 is further included, the protective cover 6 is a transparent cover body with openings at the left end, the right end and the lower end, and a handle is installed on the top of the transparent cover body; two guide rods 5 for guiding the sliding of the protective cover 6 are installed on the base, the two guide rods 5 are located in front of and behind the cylinder 1, two left and right sliding blocks are installed on the inner walls of the front side and the rear side of the protective cover 6, the sliding blocks are slidingly connected with the guide rods 5; the left and right ends of the guide rods 5 are connected with the base through limiting blocks 13, the limiting blocks 13 are used for abutting against the sliding blocks; the limiting block 13 at the left end of the guide rod 5 is arranged adjacent to the rubber part mounting seat 7. The protective cover 6 is arranged, so that the protection of the rubber part mounting seat 7 adjacent to the reaming rod 8 is facilitated, and the problem of hand clamping is avoided.

[0039] The limiting block at the left end of the guide rod is fixedly connected with the rubber part mounting seat 7.

[0040] When the sliding block at the right end of the protective cover 6 abuts against the limiting block at the right end of the guide rod 5 and the cylinder 1 is in the shortened state, the protective cover 6 is in the right limit position, the sliding plate 3 is exposed out of the protective cover 6; when the sliding block at the left end of the protective cover 6 abuts against the limiting block at the left end of the guide rod 5 and the cylinder 1 is in the elongated state, the protective cover 6 is in the left limit position, the protective cover 6 is arranged adjacent to the rubber part mounting seat 7, and the protective cover 6 at least covers part of the sliding plate 3. When the protective cover 6 is in the right limit position, the sliding plate 3 is exposed, and the assembly of the reaming rod 8 is facilitated. When the protective cover 6 is in the left limit position, the sliding plate 3 is covered, and the hand clamping at the rubber part mounting seat 7 is facilitated. There is an operation space for pulling up the reaming rod 8 upward between the top of the sliding plate and the protective cover.

[0041] A circular hole through the guide rod 5 is formed in the top of the limiting block 13, a gap through which the circular hole is connected is formed in the top of the limiting block, the top of the limiting block is divided into two clamping portions arranged in front and back through the gap, the two clamping portions are clamped through bolts, and the bolts pass through the gap. The guide rod 5 is clamped and fixed.

[0042] A guide rail 4 with a left-right direction is installed on the base, a sliding piece matched with the guide rail 4 is detachably connected to the bottom of the sliding plate 3; an installation plate 2 is installed at the left end of the cylinder body of the cylinder 1, a gap for avoiding the guide rail 4 is formed in the bottom of the installation plate 2; and an avoiding opening for the telescopic rod of the cylinder 1 to move is formed in the installation plate 2.

[0043] The base and the rubber part mounting seat 7 are detachably connected.

[0044] The left end of the slide plate 3 is provided with a left insertion opening for longitudinally inserting the hole expanding rod 8; the right end of the slide plate 3 is provided with a right insertion opening for longitudinally inserting the end of the telescopic rod of the cylinder 1.

[0045] The hole expanding rod 8 comprises a detachable hole expanding rod and a hole expanding head; the hole expanding rod is in a hollow rod shape, a strip-shaped gap is formed on the hole expanding rod along the axial direction, the two ends of the strip-shaped gap penetrate through the hole expanding rod, and the end of the hole expanding rod away from the hole expanding head is fixed with a flange for longitudinally inserting the slide plate 3; the hole expanding head comprises left and right conical head portions and a mounting portion, the hole expanding head is transversely inserted with the hole expanding rod, the mounting portion is inserted into the inside of the hole expanding rod, and the outer diameter of the right end of the conical head portion is greater than the outer diameter of the mounting portion.

[0046] The base is provided with a detection switch for detecting whether the protective cover 6 slides to the left limit position. The detection switch is a micro switch 9. The outer wall of the protective cover 6 is detachably connected with a touch block 10 for touching the micro switch 9. The left end of the touch block 10 is a guide portion with increasing thickness from left to right. An air inlet pipeline is further provided, an air pressure gauge 11 and a manual valve are mounted on the air inlet pipeline along the flow direction, the air inlet pipeline is connected with the air inlet of a two-position five-way electromagnetic valve 12, the two output ports of the two-position five-way electromagnetic valve 12 are respectively connected with the two gas chambers of the cylinder 1 separated by the piston through the conduits; the micro switch 9 is connected with the two-position five-way electromagnetic valve 12. The micro switch 9 controls the on-off of the two-position five-way electromagnetic valve 12.

[0047] When the device is used, first, the rubber part is placed in the rubber part mounting seat 7, the hole expanding rod 8 is already installed on the slide plate 3, the manual valve is opened, and the protective cover 6 is pushed to the left limit position.

[0048] Once the micro switch 9 senses that the protective cover 6 is pushed to the left limit position, the micro switch 9 controls the two-position five-way electromagnetic valve 12 to be in the electrified state, at this time, the two-position five-way electromagnetic valve 12 connects the air inlet with the left gas chamber of the piston through the first output port in a conductive manner, the right gas chamber of the piston is connected with the second air outlet through the second output port, and then the cylinder 1 is in the elongated state, the hole expanding rod 8 is pushed into the rubber part, and the rubber part inserted into the hole expanding rod is removed.

[0049] When the protective cover 6 is pushed to the right limit position, the micro switch 9 is not touched, the two-position five-way electromagnetic valve 12 is in the de-energized state, at this time, the two-position five-way electromagnetic valve 12 connects the air inlet with the right gas chamber of the piston through the second output port in a conductive manner, the left gas chamber of the piston is connected with the first air outlet through the first output port, and then the cylinder 1 is in the shortened state, at this time, the hole expanding rod is installed on the slide plate, and the next rubber part is placed on the rubber part mounting seat for operation.

[0050] The above merely is preferred implementation manner of the present application, it should be pointed out, for ordinary skilled person in the technical field, on the premise of not departing from the principle of the present application, can also make several improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the present application.

Claims

1. A pneumatic reaming device with a protective cover, comprising a base, a pneumatic cylinder mounted on the base, a telescopic end of the pneumatic cylinder in transmission connection with a sliding plate, a reaming rod longitudinally inserted into the sliding plate, and a rubber mounting seat for mounting a rubber part on the base, characterized in that, The protective cover is a transparent cover body with open left end, right end and bottom end, and a handle is installed on the top of the cover body; Two guide rods for guiding the sliding of the protective cover are installed on the base, and the two guide rods are located in front of and behind the cylinder, and two left and right arranged sliding blocks are installed on the inner walls of the front side and the rear side of the protective cover and are in sliding connection with the guide rods; The left and right ends of the guide rods are connected with the base through limiting blocks, and the limiting blocks are used for abutting against the sliding blocks; The limiting block at the left end of the guide rod is arranged adjacent to the rubber piece mounting seat.

2. A gas-operated reaming device with a protective shield according to claim 1, characterized in that When the cylinder is in the shortened state, the sliding block at the right end of the protective cover abuts against the limiting block at the right end of the guide rod, and the protective cover is in the right limit position, and the sliding plate is exposed outside the protective cover; When the cylinder is in the elongated state, the sliding block at the left end of the protective cover abuts against the limiting block at the left end of the guide rod, and the protective cover is in the left limit position, and the protective cover is arranged adjacent to the rubber piece mounting seat, and the protective cover covers at least part of the sliding plate.

3. A gas-operated reaming device with a protective shield according to claim 2, characterized in that: A detection switch for detecting whether the protective cover slides to the left limit position is installed on the base.

4. A gas-operated reaming device with a protective shield according to claim 3, characterized in that: The detection switch is a micro switch.

5. A gas-operated reaming device with a protective shield according to claim 4, characterized in that: An air inlet pipeline is further arranged, an air pressure gauge and a manual valve are installed on the air inlet pipeline along the flow direction, the air inlet pipeline is connected with the air inlet of a two-position five-way electromagnetic valve, two output ports of the two-position five-way electromagnetic valve are respectively connected with two gas chambers of the cylinder through a guide pipe and a piston, The micro switch is connected with the two-position five-way electromagnetic valve.

6. A gas-operated reaming device with a protective shield according to claim 1, characterized in that: A circular hole penetrating the guide rod is formed in the top of the limiting block, and a notch in communication with the circular hole is formed in the top of the limiting block; The top of the limiting block is divided into two front and rear arranged clamping portions through the notch, and the two clamping portions are clamped through bolts penetrating the notch.

7. A gas-operated reaming device with a protective shield according to claim 1, characterized in that: A guide rail in the left and right direction is installed on the base, and a sliding piece in sliding connection with the guide rail is detachably connected to the bottom of the sliding plate; A mounting plate is installed at the left end of the cylinder body, and a notch for avoiding the guide rail is formed in the bottom of the mounting plate; An avoiding opening for the telescopic rod of the cylinder to move is formed in the mounting plate.

8. A gas-operated reaming device with a protective shield according to claim 1, characterized in that: The base and the rubber piece mounting seat are detachably connected.

9. A gas-operated reaming device with a protective shield according to claim 1, characterized in that: A left insertion opening for longitudinally inserting the hole expansion insertion rod is formed in the left end of the sliding plate. A right insertion opening for longitudinally inserting the end of the telescopic rod of the cylinder is formed in the right end of the sliding plate.

10. The air powered reaming device with a protective shield of claim 1, wherein: The hole expansion insertion rod comprises a hole expansion rod and a hole expansion head which are detachably arranged. The hole expansion rod is in a hollow rod shape, a strip-shaped notch is formed in the hole expansion rod along the axial direction, and the two ends of the strip-shaped notch penetrate the hole expansion rod in the axial direction. The hole expansion head comprises left and right arranged conical head portions and mounting portions, the hole expansion head is transversely inserted into the hole expansion rod, the mounting portions are inserted into the hole expansion rod, and the outer diameter of the right end of the conical head portion is greater than the outer diameter of the mounting portion.

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