Automatic shaping equipment for nylon wearing plate of railway wagon

Abstract

The utility model relates to automatic shaping equipment for a nylon wearing plate of a railway wagon, which comprises a rack, a placing plate arranged on the rack and a pressing plate arranged above the placing plate, a telescopic device is vertically arranged at the top of the rack, and a telescopic rod of the telescopic device is connected with the center of the top of the pressing plate; a first cooling box is arranged at the bottom of the placing plate, a second cooling box is arranged at the top of the pressing plate, circulating cooling liquid is arranged in the first cooling box and the second cooling box, a plurality of guide rods are arranged at the top of the pressing plate, and guide sleeves corresponding to the guide rods are arranged at the top of the rack. According to the automatic shaping equipment for the nylon wearing plate of the railway wagon, the wearing plate is shaped through the automatically-controlled telescopic device, the automation degree is greatly improved, the labor cost is saved, the forming efficiency is high, and the forming consistency is good. And by arranging the cooling box, rapid cooling of the placing plate and the pressing plate is achieved, and the blank shaping efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wear plates, in particular to automatic shaping equipment for nylon wear plates of railway freight cars. Background Art

[0002] Nylon wear plate is wear-resistant, light, self-lubricating, and can reduce friction and wear between iron parts. It is made by using alkaline substances as catalysts to make the molten raw materials under normal pressure together with additives such as activators to make monomers to be polymerized, and then directly injected into a mold preheated to a certain temperature, so that the materials can quickly undergo polymerization reaction in the mold and condense into a tough solid embryo. Then, it is processed by die-casting, blank shaping, mechanical processing and other related processes to obtain the predetermined plate. Because nylon wear plate has many unique properties such as light weight, high strength, self-lubrication, wear resistance, corrosion resistance, insulation, etc., nylon wear plate is usually installed at the main structural parts of general railway freight cars to reduce the wear of related components and protect the structural integrity and reliability of the main functional components of the train.

[0003] During the production process, the effect of blank shaping directly affects the quality of subsequent mechanical processing. At present, the factory has the following problems when shaping the blank: 1. To shape the blank through the screw mechanism, it is necessary to manually rotate the screw, which consumes labor costs and has low molding efficiency. In addition, long-term bending over to rotate the screw can easily cause waist discomfort; 2. It is impossible to accurately judge and control the clamping force applied to the blank, and it is impossible to ensure the consistency of product quality molding effect; 3. The blank shaping process needs to be cooled. At present, the factory uses fans to blow air to cool down, but the cooling effect is not good. Therefore, it is necessary to propose an automatic shaping equipment for nylon wear plates of railway freight cars with high degree of automation, saving labor costs, high molding efficiency, good molding consistency, and fast cooling speed. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an automatic shaping device for nylon wear plates of railway freight cars which has high automation, saves labor costs, has high shaping efficiency, good shaping consistency and fast cooling speed.

[0005] In order to solve the above problems, the technical solution adopted by the utility model is:

[0006] An automatic shaping device for nylon wear plates of railway freight cars comprises a frame, a placement plate arranged on the frame and a pressing plate arranged above the placement plate, a telescopic device is vertically arranged on the top of the frame, and the telescopic rod of the telescopic device is connected to the center of the top of the pressing plate; a first cooling box is arranged at the bottom of the placement plate, and a second cooling box is arranged on the top of the pressing plate, and circulating coolant is arranged in the first cooling box and the second cooling box, a plurality of guide rods are arranged on the top of the pressing plate, and a guide sleeve corresponding to the guide rods is arranged on the top of the frame.

[0007] As an embodiment of the utility model, the frame includes at least two lower channel steels arranged in the front-to-back direction and an upper channel steel arranged above the lower channel steels in the left-to-right direction, a connecting column is fixedly provided between the lower channel steels and the upper channel steels, and a support leg is provided at the bottom of the lower channel steel; the left and right ends of the placement plate are spanned between adjacent lower channel steels, and the guide sleeve and the telescopic device are fixedly provided on the upper channel steel.

[0008] As an implementation mode of the utility model, heat insulation pads are arranged on the lower channel steel at the front and rear sides of the connecting column, and the placement plate is arranged on the heat insulation pads.

[0009] As an implementation mode of the utility model, a through hole is provided in the middle of the second cooling box, a connecting seat corresponding to the through hole is fixedly provided at the center of the top of the pressing plate, and the lower end of the telescopic rod is fixedly provided with the connecting seat.

[0010] As an implementation mode of the utility model, two guide rods are provided, which are respectively arranged in the middle of the left and right ends of the pressure plate.

[0011] As an implementation mode of the utility model, a liquid inlet and a liquid outlet are respectively arranged at diagonal positions at the bottom of the first cooling box, and a liquid inlet and a liquid outlet are respectively arranged at diagonal positions at the top of the second cooling box.

[0012] As an implementation mode of the utility model, the telescopic device is a telescopic air cylinder, a telescopic oil cylinder or an electric screw.

[0013] As an implementation mode of the utility model, a sleeve is vertically fixed above the connecting seat, the lower end of the telescopic rod is clamped in the sleeve, a pressure sensor is arranged at the bottom of the sleeve, and a spring is arranged between the lower end of the telescopic rod and the pressure sensor.

[0014] As an implementation mode of the utility model, a clamping block is fixedly provided at the lower end of the telescopic rod, and a retaining ring is detachably fixedly provided at the top of the sleeve.

[0015] As an implementation mode of the utility model, a positioning block corresponding to the contour of the wear plate is arranged on the top of the placement plate.

[0016] The beneficial effects of adopting the above technical solution are:

[0017] The utility model provides an automatic shaping device for nylon wear plates of railway freight cars, which shapes the wear plates through an automatically controlled telescopic device, greatly improves the degree of automation, saves labor costs, has high shaping efficiency and good shaping consistency. The cooling box is set to achieve rapid cooling of the placement plate and the pressing plate, which speeds up the shaping efficiency of the blank. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of embodiment 1 of the utility model.

[0019] Figure 2 It is a schematic structural diagram of another angle of embodiment 1 of the utility model.

[0020] Figure 3 This is another structural schematic diagram of embodiment 1 of the utility model from another angle.

[0021] Figure 4 It is a structural schematic diagram of the frame in Example 1 of the utility model.

[0022] Figure 5 It is a structural schematic diagram of embodiment 2 of the present utility model.

[0023] Figure 6 yes Figure 5 Schematic diagram of the internal structure with a partial enlargement at point A in the middle.

[0024] Figure 7 It is a schematic cross-sectional structural diagram of the telescopic rod and the sleeve in Example 2 of the utility model.

[0025] Figure 8 It is a structural schematic diagram of the wear plate in the utility model.

[0026] Among them: 1 lower channel steel, 2 upper channel steel, 3 connecting column, 4 supporting leg, 5 heat insulation pad, 6 placement plate, 7 positioning block, 8 first cooling box, 9 pressure plate, 10 second cooling box, 1001 through hole, 11 telescopic rod, 12 telescopic device, 13 guide rod, 14 guide sleeve, 15 sleeve, 16 connecting seat, 17 block, 18 pressure sensor, 19 spring, 20 retaining ring, 21 wear plate. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model is clearly and completely described below in conjunction with specific embodiments.

[0028] Embodiment 1:

[0029] like Figure 1-Figure 4 , Figure 8The shown embodiment is an automatic shaping device for nylon wear plates of railway freight cars, which includes a frame, a placement plate 6 arranged on the frame and a pressing plate 9 arranged above the placement plate 6, a telescopic device 12 is vertically arranged on the top of the frame, and a telescopic rod 11 of the telescopic device 12 is connected to the center of the top of the pressing plate 9; a first cooling box 8 is arranged at the bottom of the placement plate 6, and a second cooling box 10 is arranged on the top of the pressing plate 9, and circulating coolant is arranged in the first cooling box 8 and the second cooling box 10, a plurality of guide rods 13 are arranged on the top of the pressing plate 9, and a guide sleeve 14 corresponding to the guide rod 13 is arranged on the top of the frame.

[0030] The railway freight car nylon wear plate automatic shaping equipment shapes the wear plate 21 through the automatically controlled telescopic device 12, without the need to manually press the wear plate 21, and the pressing force can be automatically controlled, the degree of automation is greatly improved, the labor cost is saved, the shaping efficiency is high and the shaping consistency is good. The cooling box is set to achieve rapid cooling of the placement plate 6 and the pressing plate 9, thereby accelerating the efficiency of blank shaping.

[0031] In this embodiment, the frame includes at least two lower channel steels 1 arranged in the front-to-back direction and an upper channel steel 2 arranged above the lower channel steels 1 in the left-to-right direction, a connecting column 3 is fixedly provided between the lower channel steels 1 and the upper channel steels 2, and a support leg 4 is provided at the bottom of the lower channel steels 1, and the support leg 4 is provided at the bottom of the two outermost lower channel steels 1, and two are provided at the bottom of each lower channel steel 1; the left and right ends of the placement plate 6 are erected between adjacent lower channel steels 1, and space for erecting the placement plate 6 is reserved on the left and right sides of the connecting column 3 on the lower channel steel 1, the guide sleeve 14 and the telescopic device 12 are fixedly provided on the upper channel steel 2, and a clearance hole corresponding to the guide rod 13 and the guide sleeve 14 is opened on the upper channel steel 2.

[0032] As a further optimization, thermal insulation pads 5 are provided on the lower channel steel 1 on both sides of the front and rear of the connecting column 3, and the placement plate 6 is provided on the thermal insulation pads 5 to prevent heat from being transferred to the frame, to prevent scalding of workers, and to avoid surface contact to reduce the service life of the coolant connecting pipeline and the connecting pipeline of the telescopic device 12.

[0033] A through hole 1001 is provided in the middle of the second cooling box 10 , a connecting seat 16 corresponding to the through hole 1001 is fixedly provided at the center of the top of the pressing plate 9 , and the lower end of the telescopic rod 11 is fixedly mounted together with the connecting seat 16 .

[0034] In this embodiment, two guide rods 13 are provided, which are respectively arranged at the middle of the left and right ends of the pressure plate 9.

[0035] The first cooling box 8 is provided with a liquid inlet and a liquid outlet at the bottom diagonal portions, and the second cooling box 10 is provided with a liquid inlet and a liquid outlet at the top diagonal portions. The top surface of the first cooling box 8 and the bottom surface of the second cooling box 10 are made of a material with good thermal conductivity, or the top of the first cooling box 8 and the bottom of the second cooling box 10 are open and fixed to the bottom of the placement plate 6 and the top of the pressing plate 9 by welding, respectively, and the placement plate 6 and the pressing plate 9 are cooled by heat exchange.

[0036] The telescopic device 12 is a telescopic cylinder, a telescopic oil cylinder or an electric screw, preferably a telescopic cylinder.

[0037] A positioning block 7 corresponding to the contour of the wear plate 21 is disposed on the top of the placement plate 6. In this embodiment, the wear plate 21 is in a U-shape as a whole, and the positioning block 7 is in a corresponding square shape.

[0038] Embodiment 2:

[0039] like Figure 5-Figure 7 As shown, the difference between this embodiment and embodiment 1 is that:

[0040] A sleeve 15 is vertically fixed above the connecting seat 16, the lower end of the telescopic rod 11 is clamped in the sleeve 15, a pressure sensor 18 is arranged at the bottom of the sleeve 15, and a spring 19 is arranged between the lower end of the telescopic rod 11 and the pressure sensor 18. A clamping block 17 is fixed at the lower end of the telescopic rod 11, and a retaining ring 20 is detachably fixed at the top of the sleeve 15.

[0041] By providing the pressure sensor 18 and the spring 19, when the telescopic rod 11 applies pressure to the wear plate 21, the pressure can be controlled more accurately, thereby improving the product quality and molding consistency of the wear plate 21 blank.

[0042] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automatic shaping device for nylon wear plates of railway freight cars, characterized by: It includes a frame, a placement plate arranged on the frame and a pressing plate arranged above the placement plate, a telescopic device is vertically arranged on the top of the frame, and the telescopic rod of the telescopic device is connected to the center of the top of the pressing plate; a first cooling box is arranged at the bottom of the placement plate, and a second cooling box is arranged on the top of the pressing plate, and circulating coolant is arranged in the first cooling box and the second cooling box, a plurality of guide rods are arranged on the top of the pressing plate, and a guide sleeve corresponding to the guide rods is arranged on the top of the frame.

2. The automatic shaping equipment for nylon wear plates of railway freight cars according to claim 1, characterized in that: The frame includes at least two lower channel steels arranged in the front-to-back direction and an upper channel steel arranged above the lower channel steels in the left-to-right direction, a connecting column is fixedly arranged between the lower channel steels and the upper channel steels, and a supporting leg is arranged at the bottom of the lower channel steels; the left and right ends of the placement plate are spanned between adjacent lower channel steels, and the guide sleeve and the telescopic device are fixedly arranged on the upper channel steel.

3. The automatic shaping equipment for nylon wear plates of railway freight cars according to claim 2, characterized in that: Heat insulation pads are arranged on the lower channel steel at both sides of the front and rear of the connecting column, and the placement plate is arranged on the heat insulation pads.

4. The automatic shaping equipment for nylon wear plates of railway freight cars according to claim 1, characterized in that: A through hole is provided in the middle of the second cooling box, a connecting seat corresponding to the through hole is fixedly provided at the center of the top of the pressing plate, and the lower end of the telescopic rod is fixedly provided with the connecting seat.

5. The automatic shaping equipment for nylon wear plates of railway freight cars according to claim 4, characterized in that: There are two guide rods, which are respectively arranged at the middle of the left and right ends of the pressure plate.

6. The automatic shaping equipment for nylon wear plates of railway freight cars according to claim 5, characterized in that: A liquid inlet and a liquid outlet are respectively arranged at the diagonal positions at the bottom of the first cooling box, and a liquid inlet and a liquid outlet are respectively arranged at the diagonal positions at the top of the second cooling box.

7. The automatic shaping equipment for nylon wear plates of railway freight cars according to claim 6, characterized in that: The telescopic device is a telescopic air cylinder, a telescopic oil cylinder or an electric screw.

8. The automatic shaping equipment for nylon wear plates of railway freight cars according to any one of claims 4 to 7, characterized in that: A sleeve is vertically fixed above the connecting seat, the lower end of the telescopic rod is clamped in the sleeve, a pressure sensor is arranged at the bottom of the sleeve, and a spring is arranged between the lower end of the telescopic rod and the pressure sensor.

9. The automatic shaping equipment for nylon wear plates of railway freight cars according to claim 8, characterized in that: A clamping block is fixedly arranged at the lower end of the telescopic rod, and a retaining ring is detachably fixedly arranged at the top of the sleeve.

10. The automatic shaping equipment for nylon wear plates of railway freight cars according to claim 1, characterized in that: A positioning block corresponding to the contour of the wear plate is arranged on the top of the placement plate.

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