A device for sticking nameplates of different sizes

Abstract

The present invention discloses a device for pasting nameplates of different sizes, including a positioning mechanism and a roller driving mechanism, wherein the positioning mechanism includes a positioning seat that is clamped and sleeved on a shock absorber, and the positioning seat is provided with a roller driving mechanism, and the roller driving mechanism includes a rotary cover that is rotatably inserted on the outside of the positioning seat, and a roller pressing head that is driven by the rotary cover to roll along the cylindrical surface of the shock absorber dust cover, and the area where the roller pressing head is located is the nameplate pasting part of the shock absorber, and the positioning seat can be equipped with a positioning tool that matches shock absorbers of different sizes, and a set of positioning tools with different inner diameters is provided. Through the above manner, the present invention has a simple structure, improves the position accuracy of the nameplate, is simple to operate, improves the pasting quality of the nameplate, and has high pasting efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of oil pressure shock absorber labeling, in particular to a device for sticking nameplates of different sizes. Background Art

[0002] In the manufacturing process of hydraulic shock absorbers, a nameplate needs to be affixed to the outer surface of the dust cover of the hydraulic shock absorber before the finished product is packaged and stored. The nameplate is required to facilitate visibility during the maintenance process of high-speed trains. The position of the nameplate affixed needs to be limited to ensure the consistency of the position. The surface of the dust cover is a cylindrical surface, and the shock absorber body is heavy, which is inconvenient to carry and move.

[0003] In the prior art, the curved surface of the dust cover is measured manually with a ruler, the PET nameplate with adhesive is removed, and the nameplate is pressed with fingers to make it adhere to the surface of the shock absorber dust cover. During the production process, since it is inconvenient to use a ruler to position the cylindrical surface, the pasting position deviation is large and the nameplate is easily skewed; the finger pressing pressure is uneven, wrinkles and bubbles are easily generated, and the appearance is poor; the nameplate is large in size, and the fingers are easy to contact with the adhesive surface, which is easy to cause warping and reduce the bonding strength of the nameplate; positioning is difficult and the pasting efficiency is low.

[0004] Based on the above defects and shortcomings, it is necessary to improve the existing technology and design a nameplate pasting device suitable for different sizes. Summary of the invention

[0005] The main technical problem solved by the present invention is to provide a nameplate pasting device suitable for different sizes, which solves the problems of large pasting position error of the existing hydraulic shock absorber, nameplate deflection, difficult positioning, low efficiency, uneven pressure, wrinkles and bubbles on the nameplate, and reduced bonding strength between the finger and the rubber surface.

[0006] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a nameplate pasting device suitable for different sizes, the nameplate pasting device suitable for different sizes includes a positioning mechanism and a roller driving mechanism, the positioning mechanism includes a positioning seat that is clamped on the shock absorber, and the positioning seat is equipped with a roller driving mechanism, the roller driving mechanism includes a rotary cover that is rotatably inserted on the outside of the positioning seat, and a roller head that is driven by the rotary cover to roll along the cylindrical surface of the dust cover of the shock absorber, the area where the roller head is located is the nameplate pasting part of the shock absorber, and the positioning seat can be equipped with and replaced with positioning tooling that matches shock absorbers of different sizes, and a set of positioning tooling with different inner diameters is provided.

[0007] Preferably, the positioning seat is provided with an arc-shaped inner wall surface cooperating with the cylindrical surface of the shock absorber dust cover and a contoured slot for limiting the cylindrical surface of the shock absorber lifting ring, the positioning seat is provided with a limiting slot cooperating with a small clearance of the shock absorber rubber node core shaft, the side surface of the slot is in surface contact with the side surface of the core shaft, the limiting slot is provided with a chamfer, and two installation slots are symmetrically arranged on the arc-shaped inner wall surface. The installation slot can be assembled with positioning tooling with different outer diameters to achieve the pasting of shock absorber nameplates with different small outer diameters.

[0008] Preferably, the positioning mechanism further comprises a handle and a positioning seat cover, the handle is connected to the positioning seat by self-tapping screws, an open slot is provided on the positioning seat to facilitate the movement of the crank of the rolling drive mechanism, and the positioning seat cover is sealed on the top of the open slot.

[0009] Preferably, the rolling drive mechanism also includes a rotating shaft, a torsion spring and a rotating rod, the rotating shaft is inserted into the positioning seat, the outer end of the rotating shaft is interference connected with a rotating cover, the inner end of the rotating shaft is installed with a crank, and a boss is provided on the positioning seat where the rotating shaft is installed, and a torsion spring is sleeved on the boss, one end of the torsion spring is abutted against the positioning seat, and the other end of the torsion spring is clamped on the crank, and a rotating rod is installed on the protruding end of the crank, and an arc-shaped rotating rod guide groove is provided on the positioning seat, and a rolling head is installed on the end of the rotating rod that passes through the rotating rod guide groove, the rolling head and the rotating rod are transitionally matched, and the rotating rod guide groove path is coaxial with the center line of the shock absorber dust cover to ensure that the rolling head rotates in contact with the cylindrical surface of the dust cover.

[0010] Preferably, a flat key is provided at one end of the rotating shaft, and the flat key is inserted into the rotating cover slot. A square slot is opened at the tail of the flat key. The square shaft passes through the square slot and cooperates with the outer end surface of the positioning seat to limit the axial displacement of the crank on the positioning seat. An anti-rotation boss is provided outwardly at the other end of the rotating shaft, and the anti-rotation boss is installed in the crank slot to prevent the crank from rotating relative to the rotating shaft.

[0011] Preferably, a positioning seat groove is provided on the positioning seat, and the rotating shaft and the positioning seat groove are clearance-matched to ensure that the rotating shaft and the positioning seat rotate relative to each other, a fixing hole is provided on the crank to cooperate with the bent end of the torsion spring, the rotating shaft drives the crank to rotate, and the torsion spring is torsionally deformed, a mounting circular hole is provided on the crank to cooperate with the rotating rod, the mounting circular hole is interference-connected with the rotating rod, a gap is provided between the crank plane and the inner end face of the inner positioning seat of the open groove, and a gap is provided between the end face of the roller head and the outer end face of the positioning seat.

[0012] Preferably, the positioning tool is arc-shaped, and the outer cylindrical surface of the positioning tool cooperates with the inner arc-shaped inner wall surface of the positioning seat. Two mounting bosses are installed on the outer cylindrical surface and inserted into the mounting slots on the positioning seat. The inner wall surface of the positioning tool fits with the outer wall surface of the dust cover of the small outer diameter shock absorber, and the end face of the positioning tool is flush with the outer end face of the positioning seat.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The positioning seat is provided with an arc-shaped inner wall surface matching the cylindrical surface of the dust cover and a contoured groove for limiting the cylindrical surface of the lifting ring, and can be positioned and mounted on the oil pressure shock absorber;

[0015] The nameplate is pre-positioned by the outer end surface of the positioning seat and the roller head, which improves the position accuracy of the nameplate;

[0016] The positioning mechanism is equipped with a mounting slot, and by assembling positioning fixtures with different outer diameters, the nameplates of shock absorbers with small outer diameters of different specifications can be pasted;

[0017] The rotary knob of the roller driving mechanism is turned clockwise, and the shaft drives the crank to rotate. The roller head rolls along the outer cylinder of the dust cover to the surface of the nameplate. The torsion spring absorbs and stores the driving energy, so that the roller pressure is evenly distributed, the nameplate is evenly stressed, and the quality of the nameplate is improved. After the rolling is completed, it automatically resets, and the pasting efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The figure is a schematic diagram of the structure of an oil pressure shock absorber.

[0019] Figure 2 The figure is a structural schematic diagram of a device for sticking nameplates of different sizes.

[0020] Figure 3 The present invention is a schematic diagram of the structure of a positioning seat suitable for nameplate pasting devices of different sizes.

[0021] Figure 4 The present invention is a schematic diagram of the structure of a roller drive mechanism of a device for pasting nameplates of different sizes.

[0022] Figure 5 The present invention is a schematic diagram of a rotating shaft structure of a nameplate pasting device suitable for nameplates of different sizes.

[0023] Figure 6 The present invention is a cross-sectional view of a nameplate pasting device suitable for nameplates of different sizes.

[0024] Figure 7 The present invention is a schematic diagram of a positioning tool structure suitable for nameplate pasting devices of different sizes.

[0025] Figure 8 The present invention is a side view of a device for sticking nameplates of different sizes in a sticking state.

[0026] Among them, A, shock absorber, A1, nameplate pasting part, A2, dust cover cylindrical surface, A3, rubber node core shaft, A4, lifting ring cylindrical surface;

[0027] 1. Positioning mechanism, B. Positioning seat, 10. Arc inner wall surface, 11. Profiling slot, 12. Limiting slot, 13. Slot side, 14. Chamfer, 15. Mounting slot, 16. Positioning seat outer end surface, 17. Opening slot, 18. Boss, 19. Rotating rod guide slot, B1. Handle, B2. Positioning seat cover, 1-1. Positioning seat slot, 1-2. Inner end surface of inner positioning seat, 1-3. Limiting step, 1-4. Self-tapping screw hole;

[0028] 2. Roller driving mechanism, 21. Rotary cover, 22. Rotating shaft, 221. Flat key, 222. Square groove, 223. Anti-rotation boss, 23. Torsion spring, 231. Bending end, 232. Torsion spring end, 24. Crank, 241. Fixing hole, 242. Mounting circular hole, 243. Crank plane, 25. Rotating rod, 26. Roller head, 261. Roller head end face;

[0029] 3. Positioning tooling, 3a. Mounting boss, 3b. External cylindrical surface, 3c. Internal wall surface, 3d. End surface. DETAILED DESCRIPTION

[0030] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0031] See also Figures 1 to 8 , the embodiment of the present invention includes:

[0032] A device for pasting nameplates of different sizes, the device for pasting nameplates of different sizes comprising a positioning mechanism 1 and a roller driving mechanism 2, such as Figure 1 As shown, the dust cover cylindrical surface of the shock absorber A is A2, the nameplate pasting position A1 is on the dust cover cylindrical surface A2, the axis of the shock absorber dust cover cylindrical surface A2 is the Z axis, the axis of the ring cylindrical surface A4 is the X axis, and the rubber node core shaft A3 is extended outward on both sides of the ring, as shown in FIG. Figure 2 As shown, the positioning mechanism 1 includes a positioning seat B that is clamped on the shock absorber, and a rolling drive mechanism 2 is installed on the positioning seat B. The rolling drive mechanism 2 includes a rotary cover 21 that is rotatably inserted on the outside of the positioning seat B, and a rolling head 26 that is driven by the rotary cover 21 to roll along the cylindrical surface A2 of the shock absorber dust cover. The area where the rolling head 26 is located is the nameplate pasting area A1. The positioning seat B can be equipped with a positioning tool 3 that matches shock absorbers of different sizes, and a set of positioning tools 3 with different inner diameters is provided.

[0033] like Figure 3As shown, the positioning seat B is provided with an arc-shaped inner wall surface 10 that matches the cylindrical surface A2 of the dust cover and a contoured slot 11 for limiting the cylindrical surface A4 of the lifting ring. The contoured slot 11 is used to prevent interference with the lifting ring and the rubber node. The positioning seat B is provided with a limiting slot 12 that matches the rubber node core shaft A3 with a small gap. The side surface 13 of the slot is in surface contact with the side surface of the core shaft to limit the axial displacement of the overall nameplate pasting device. The limiting slot 12 is provided with a chamfer 14 to improve the efficiency of the positioning operation. The arc-shaped inner wall surface 10 is symmetrically provided with two mounting slots 15. The mounting slot 15 can realize the pasting of shock absorber nameplates with different small outer diameters by assembling positioning fixtures 3 with different outer diameters.

[0034] The positioning mechanism 1 also includes a handle B1 and a positioning seat cover B2. The handle B1 is connected to the positioning seat B by self-tapping screws. The handle B1 is convenient for employees to extract and position the nameplate pasting device. The positioning seat B is provided with an open groove 17 to facilitate the movement of the crank 24 of the roller driving mechanism 2. The positioning seat cover B2 is encapsulated on the top of the open groove 17.

[0035] like Figure 4 As shown, the rolling drive mechanism 2 also includes a rotating shaft 22, a torsion spring 23 and a rotating rod 25. The rotating shaft 22 is inserted into the positioning seat B, and the outer end of the rotating shaft 22 is interference-connected with a rotary cover 21, and the inner end of the rotating shaft 22 is installed with a crank 24. A boss 18 is provided on the positioning seat B where the rotating shaft 22 is installed, and a torsion spring 23 is sleeved on the boss 18. One end of the torsion spring 23 is against the positioning seat B, and the other end of the torsion spring 23 is clamped on the crank 24. A rotating rod 25 is installed on the protruding end of the crank 24, and an arc-shaped rotating rod guide groove 19 is provided on the positioning seat B. A rolling head 26 is installed at one end of the rotating rod 25 that passes through the rotating rod guide groove 19. The rolling head 26 and the rotating rod 25 are transitionally matched, which can meet the needs of pasting and replacing the rolling head of a small outer diameter shock absorber nameplate. The path of the rotating rod guide groove 19 is coaxial with the center line of the shock absorber dust cover to ensure that the rolling head 26 rotates in contact with the cylindrical surface A2 of the dust cover.

[0036] like Figure 5 As shown, a flat key 221 is provided at one end of the rotating shaft 22, and the flat key 221 is inserted into the slot of the rotary cover 21. A square slot 222 is opened at the tail of the flat key 221. The square shaft passes through the square slot 222 and cooperates with the outer end surface of the positioning seat B to limit the axial displacement of the crank 24 on the positioning seat B. An anti-rotation boss 223 is provided outwardly at the other end of the rotating shaft 22, and the anti-rotation boss 223 is installed in the slot of the crank 24 to prevent the crank 24 from rotating relative to the rotating shaft 22.

[0037] like Figure 6As shown, a positioning seat groove 1-1 is provided on the positioning seat B, and the rotating shaft 22 is clearance-matched with the positioning seat groove 1-1 to ensure that the rotating shaft 11 and the positioning seat B rotate with each other. A fixing hole 241 is provided on the crank 24 to cooperate with the bent end 231 of the torsion spring 23. The rotating shaft 22 drives the crank 24 to rotate, and the torsion spring 23 is torsionally deformed. A mounting circular hole 242 is provided on the crank 24 to cooperate with the rotating rod 25. The mounting circular hole 242 is interference-connected with the rotating rod 25. A gap is provided between the crank plane 243 and the inner end face 1-2 of the inner positioning seat of the opening groove 17. The arc-shaped inner wall surface 10 of the positioning seat B contacts the outer cylindrical surface A2 of the dust cover, and a gap is provided between the end face 261 of the roller head and the outer end face 16 of the positioning seat.

[0038] like Figure 7 The figure shows a schematic diagram of a replacement positioning fixture for a small outer diameter. When the nameplate of a shock absorber with a small outer diameter is pasted, a replacement positioning fixture is installed. The positioning fixture 3 is arc-shaped. The outer cylindrical surface 3b of the positioning fixture 3 cooperates with the inner arc-shaped inner wall surface 10 of the positioning seat B. Two mounting bosses 3a are installed on the outer cylindrical surface 3b and are inserted into the mounting grooves 15 on the positioning seat B. The inner wall surface 3c of the positioning fixture 3 fits with the outer wall surface of the dust cover of the shock absorber with a small outer diameter. The end face 3d of the positioning fixture 3 is flush with the outer end face 16 of the positioning seat.

[0039] When the nameplate pasting device suitable for different sizes of the present invention is working, during pasting, the employee holds the handle B1, stably places the positioning seat B on the shock absorber, manually tears off one side of the nameplate, the nameplate is limited by the outer end surface 16 of the positioning seat B and the roller pressure head 26, completes the pre-positioning, rotates the rotary cover 21, drives the crank 24, and the roller pressure head 26 rolls on the outer cylindrical surface A2 of the dust cover through the rotating rod guide groove 19, and tears the nameplate backing paper while rolling, so as to ensure that the nameplate is in full contact with the outer wall surface of the dust cover, such as Figure 8 The figure shows a side view of the pasting state. The positioning seat B is provided with limiting steps 1-3. The pasting device state a is the reset position. When rolling is working, the rolling head 26 rotates along the R direction. The limiting steps 1-3 limit the displacement of the torsion spring end 232. The bent end 231 of the torsion spring rotates with the crank 24. The torsion spring 23 is deformed to store energy. State b is that the rolling head 26 rolls to the middle position. After the rolling is completed, the torsion spring 23 releases the stored energy and returns to state a. The force is uniform when the nameplate is pasted, which improves the bonding strength of the nameplate. Self-tapping screw holes 1-4 are provided above the positioning seat B for easy connection with the handle B1.

[0040] The invention discloses a nameplate pasting device suitable for nameplates of different sizes. The nameplate pasting device is designed to improve the position accuracy of the nameplate, is easy to operate, improves the pasting quality of the nameplate, and has high pasting efficiency.

[0041] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A device for sticking nameplates of different sizes, characterized by: It includes a positioning mechanism and a rolling drive mechanism, wherein the positioning mechanism includes a positioning seat that is clamped and sleeved on the shock absorber, and the rolling drive mechanism is installed on the positioning seat. The rolling drive mechanism includes a rotary cover that is rotatably inserted on the outside of the positioning seat, and a rolling head that is driven by the rotary cover to roll along the cylindrical surface of the shock absorber dust cover. The area where the rolling head is located is the nameplate pasting part of the shock absorber. The positioning seat can be equipped with positioning tools that match shock absorbers of different sizes, and a set of positioning tools with different inner diameters is provided; The rolling drive mechanism also includes a rotating shaft, a torsion spring and a rotating rod. The rotating shaft is inserted into the positioning seat, and a rotating cover is interference-connected at the outer end of the rotating shaft. A crank is installed at the inner end of the rotating shaft. A boss is provided on the positioning seat at the rotating shaft installation location, and a torsion spring is sleeved on the boss. One end of the torsion spring is against the positioning seat, and the other end of the torsion spring is clamped on the crank. A rotating rod is installed at the protruding end of the crank, and an arc-shaped rotating rod guide groove is provided on the positioning seat. A rolling head is installed at one end of the rotating rod that passes through the rotating rod guide groove. The rolling head and the rotating rod are transitionally matched, and the rotating rod guide groove path is coaxial with the center line of the shock absorber dust cover to ensure that the rolling head rotates in close contact with the cylindrical surface of the dust cover.

2. The device for sticking nameplates of different sizes according to claim 1 is characterized in that: The positioning seat is provided with an arc-shaped inner wall surface that matches the cylindrical surface of the shock absorber dust cover and a contoured slot for limiting the cylindrical surface of the shock absorber lifting ring. The positioning seat is provided with a limiting slot that matches the core shaft of the shock absorber rubber node with a small gap. The side surface of the slot is in surface contact with the side surface of the core shaft. The limiting slot is provided with a chamfer, and two installation slots are symmetrically arranged on the arc-shaped inner wall surface.

3. The device for sticking nameplates of different sizes according to claim 1 is characterized in that: The positioning mechanism also includes a handle and a positioning seat cover. The handle is connected to the positioning seat by self-tapping screws. An open slot is provided on the positioning seat to facilitate the movement of the crank of the roller driving mechanism. The positioning seat cover is sealed on the top of the open slot.

4. The device for sticking nameplates of different sizes according to claim 1, characterized in that: A flat key is provided at one end of the rotating shaft, which is inserted into the rotating cover slot. A square slot is opened at the tail of the flat key. The square shaft passes through the square slot and cooperates with the outer end surface of the positioning seat. An anti-rotation boss is provided outwardly at the other end of the rotating shaft, and the anti-rotation boss is installed in the crank slot.

5. The device for sticking nameplates of different sizes according to claim 1 is characterized in that: The positioning seat is provided with a positioning seat groove, the rotating shaft and the positioning seat groove are clearance-matched, the crank is provided with a fixing hole that matches the bent end of the torsion spring, the rotating shaft drives the crank to rotate, and the torsion spring is torsionally deformed, the crank is provided with a mounting circular hole that matches the rotating rod, the mounting circular hole and the rotating rod are interference-connected, a gap is provided between the crank plane and the inner end face of the inner positioning seat of the open groove, and a gap is provided between the end face of the roller head and the outer end face of the positioning seat.

6. The device for sticking nameplates of different sizes according to claim 1, characterized in that: The positioning tool is arc-shaped, and the outer cylindrical surface of the positioning tool cooperates with the inner arc-shaped inner wall surface of the positioning seat. Two mounting bosses are installed on the outer cylindrical surface and inserted into the mounting slots on the positioning seat. The inner wall surface of the positioning tool fits with the outer wall surface of the dust cover of the small outer diameter shock absorber, and the end face of the positioning tool is flush with the outer end face of the positioning seat.

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