Lossless machining device for railway vehicle rubber pad

Abstract

The utility model belongs to the technical field of rubber pad production, and particularly discloses a railway vehicle rubber pad lossless machining device which comprises a machining platform, a plurality of sets of lower dies are fixedly installed in the middle of the upper portion of the machining platform, and supporting legs are fixedly connected to the four corners of the lower portion of the machining platform. Supporting columns are fixedly connected to the four corners of the upper portion of the machining platform, a top plate is fixedly connected between the other ends of the four sets of supporting columns, a hydraulic machine is fixedly installed in the middle of the upper portion of the top plate, the output end of the hydraulic machine is fixedly connected with a hydraulic rod, the hydraulic rod is arranged below the top plate, and the other end of the hydraulic rod is fixedly connected with a first upper mold. The second upper dies are arranged on the two sides of the first upper die correspondingly, the multiple sets of lower dies correspond to the first upper die and the second upper dies correspondingly, the connecting pieces are arranged between the first upper die and the second upper dies, and the forming cavities are formed in the upper portions of the lower dies correspondingly, so that the device is compact in structure, multiple rubber pads can be machined at the same time in a lossless mode, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber pad production, in particular to a non-destructive processing device for rubber pads of railway vehicles. Background Art

[0002] Railway vehicles refer to the vehicles used for railway transportation. In a broad sense, railway vehicles refer to vehicles that must run along a dedicated track. Railway vehicles are tools for transporting passengers and goods. They generally do not have a power unit, and the vehicles must be connected in a train and pulled by a locomotive to run along the line. Rubber pads are required for all parts of railway vehicles. Rubber gaskets have the properties of oil resistance, acid and alkali resistance, cold and heat resistance, and aging resistance. Therefore, the rubber pads required for railway vehicles are processed by the device.

[0003] However, in the prior art, most of the rubber pads required for railway vehicles are cut by mechanical devices. However, it is impossible to cut a large number of rubber pads of special shapes at one time by mechanical devices. Repeated cutting is required, and cutting will cause a large amount of waste of raw materials. In the later stage, a certain amount of human resources are required to clean up the residual materials. The processing efficiency is low and the loss is high, which is inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to provide a non-destructive processing device for railway vehicle rubber pads, so as to solve the problems that the mechanical device in the prior art proposed in the above background technology cannot cut a large number of rubber pads of special shapes at one time, requires repeated cutting, and the cutting will cause a large amount of waste of raw materials.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A non-destructive processing device for a rubber pad of a railway vehicle comprises a processing platform, a plurality of groups of lower molds are fixedly installed at the middle part of the upper part of the processing platform, legs are fixedly connected at the four corners below the processing platform, pillars are fixedly connected at the four corners above the processing platform, a top plate is fixedly connected between the other ends of the four groups of pillars, a hydraulic press is fixedly installed at the middle part of the upper part of the top plate, a hydraulic rod is fixedly connected at the output end of the hydraulic press, the hydraulic rod is placed below the top plate and a first upper mold is fixedly connected at the other end, a second upper mold is arranged on both sides of the first upper mold, a plurality of groups of lower molds correspond to the first upper mold and the second upper mold respectively, and a connecting piece is arranged between the first upper mold and the second upper mold;

[0007] A molding cavity is provided above the lower mold, and a center column is fixedly connected to the middle portion of the molding cavity.

[0008] As a preferred solution of the utility model, a connecting rod is fixedly connected to the top of the second upper mold, the surface of the connecting rod is slidably connected to the inner cavity of the top plate, and the other end of the connecting rod is provided with a limit plate above the top plate and fixedly connected.

[0009] As a preferred solution of the utility model, the connecting member includes a first clamping plate and a second clamping plate, and a plurality of arc grooves are provided on the opposite surfaces of the first clamping plate and the second clamping plate, and the plurality of arc grooves correspond to the hydraulic rod and the connecting rod respectively, and fixing bolts are fixedly connected on both sides of the first clamping plate and the second clamping plate.

[0010] As a preferred solution of the utility model, a feeding device is arranged at the rear of the processing platform, and the feeding device includes a stirring tank, a top cover is clamped on the top of the stirring tank, a stirring motor is fixedly installed on the top of the top cover, a discharge pipe is fixedly connected to the lower side of the stirring tank close to the processing platform, a feeding pump is fixedly installed on the other end of the discharge pipe, a feeding pipe is fixedly connected to the other side of the feeding pump, a gathering pipe is fixedly connected to the other end of the feeding pipe, and a plurality of distribution pipes are fixedly connected to one side of the gathering pipe.

[0011] As a preferred solution of the utility model, a feed hole is opened on one side of the lower mold, the feed hole is connected to the molding cavity, and the multiple distribution pipes are fixedly connected to the corresponding feed holes.

[0012] As a preferred solution of the utility model, a cooling device is provided on one side of the processing platform, and the cooling device includes a liquid storage tank, a liquid supply pump is fixedly connected to the top of the liquid storage tank, a plurality of liquid supply pipes are fixedly connected to the output end of the liquid supply pump, the other end of the liquid supply pipe is fixedly connected to a liquid return pipe, and the other end of the liquid return pipe is fixedly connected to the liquid storage tank.

[0013] As a preferred solution of the utility model, a plurality of cooling grooves are provided under the lower mold, a plurality of cooling holes are provided inside the lower mold, the plurality of cooling holes are connected to the cooling grooves, and the plurality of liquid supply pipes respectively penetrate the corresponding cooling grooves on the plurality of lower molds.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] (1) The hydraulic press can transmit the hydraulic rod to push the first upper mold to move up and down, and can synchronously drive the remaining second upper molds to move up and down synchronously through the connecting piece. The first upper mold and the second upper mold are simultaneously lowered to die-cast the rubber raw materials in the corresponding lower molds below, so that the rubber raw materials form the rubber pads required for railway vehicles in the molding cavity. Therefore, the device has a compact structure and can simultaneously process multiple rubber pads without damage, thereby improving the processing efficiency.

[0016] (2) The multiple cooling grooves and cooling holes on each lower mold can improve the efficiency of cooling. Each liquid supply pipe is installed in the corresponding cooling groove and runs through multiple lower molds. The liquid supply pump transports the coolant in the liquid storage tank to the liquid supply pipe, and cools the molding cavity through the cooling holes. When the cooling water passes through the lower mold, it takes away the heat and returns it to the liquid storage tank through the return pipe, thereby improving the cooling efficiency of the rubber pad and facilitating the rapid demolding of the rubber pad. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a first stereoscopic schematic diagram of the overall device of the utility model;

[0018] Figure 2 This is a half-cut three-dimensional schematic diagram of the lower mold of the utility model

[0019] Figure 3 It is a three-dimensional schematic diagram of the connecting piece of the utility model;

[0020] Figure 4 It is a second stereoscopic schematic diagram of the overall device of the utility model.

[0021] Description of the numbers in the figure:

[0022] 1. Processing platform; 2. Support legs; 3. Pillars; 4. Top plate; 5. Lower mold; 51. Molding cavity; 52. Center column; 53. Feed hole; 54. Cooling groove; 55. Cooling hole; 6. Hydraulic press; 7. Hydraulic rod; 8. First upper mold; 9. Second upper mold; 10. Connecting rod; 101. Limiting plate; 11. Connecting piece; 111. First clamping plate; 112. Second clamping plate; 113. Arc groove; 114. Fixing bolt; 12. Cooling device; 121. Liquid storage tank; 122. Liquid supply pump; 123. Liquid supply pipe; 124. Liquid return pipe; 13. Feeding device; 131. Mixing tank; 132. Top cover; 133. Mixing motor; 134. Discharge pipe; 135. Feeding pump; 136. Feeding pipe; 137. Aggregation pipe; 138. Distribution pipe. 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] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] Example: See Figure 1 and Figure 2 A non-destructive processing device for a rubber pad of a railway vehicle comprises a processing platform 1, a plurality of groups of lower molds 5 are fixedly installed at the middle part of the upper part of the processing platform 1, legs 2 are fixedly connected at the four corners below the processing platform 1, pillars 3 are fixedly connected at the four corners above the processing platform 1, a top plate 4 is fixedly connected between the other ends of the four groups of pillars 3, a hydraulic press 6 is fixedly installed at the middle part of the upper part of the top plate 4, a hydraulic rod 7 is fixedly connected at the output end of the hydraulic press 6, the hydraulic rod 7 is placed below the top plate 4 and a first upper mold 8 is fixedly connected at the other end, a second upper mold 9 is arranged on both sides of the first upper mold 8, a plurality of groups of lower molds 5 correspond to the first upper mold 8 and the second upper mold 9 respectively, and a A molding cavity 51 is provided above the connecting piece 11 and the lower mold 5, and a center column 52 is fixedly connected to the middle part of the molding cavity 51. The processing platform 1 cooperates with the support legs 2 to play a major supporting role, and the pillars 3 cooperate with the top plate 4 to play a major supporting role for structures such as the hydraulic press 6 and the first upper mold 8. The hydraulic press 6 can transmit the hydraulic rod 7 to push the first upper mold 8 to rise and fall, and can synchronously drive the remaining second upper molds 9 to rise and fall synchronously through the connecting piece 11. The first upper mold 8 and the second upper mold 9 descend at the same time to die-cast the rubber raw materials in the corresponding lower mold 5 below, so that the rubber raw materials form the rubber pads required for railway vehicles in the molding cavity 51, so that the device has a compact structure and can simultaneously process multiple rubber pads without loss, thereby improving the processing efficiency.

[0026] See also Figure 1 and Figure 3, the top of the second upper mold 9 is fixedly connected with a connecting rod 10, the surface of the connecting rod 10 is slidably connected to the inner cavity of the top plate 4, the other end of the connecting rod 10 is provided with the top of the top plate 4 and fixedly connected to the limit plate 101, the connecting member 11 includes a first clamping plate 111 and a second clamping plate 112, and the first clamping plate 111 and the second clamping plate 112 are provided with a plurality of arc grooves 113 on the opposite surfaces, and the plurality of arc grooves 113 correspond to the hydraulic rod 7 and the connecting rod 10 respectively, and the first clamping plate 111 and the second clamping plate 112 are fixedly connected with fixing bolts 114 on both sides, and the second upper mold 9 is slidably connected to the top plate 4 through the connecting rod 10, and the first clamping plate 111 and the second clamping plate Corresponding arc grooves 113 are provided on the plate 112 according to the outer wall dimensions of the hydraulic rod 7 and the outer wall dimensions of the plurality of connecting rods 10. When the first clamping plate 111 and the second clamping plate 112 are combined, the plurality of arc grooves 113 corresponding to the positions of the hydraulic rod 7 and the connecting rod 10 are combined into a whole circle. The first clamping plate 111 and the second clamping plate 112 are fixedly connected as a whole by the fixing bolt 114. At the same time, the first clamping plate 111 and the second clamping plate 112 clamp the hydraulic rod 7 and the connecting rod 10 as a whole. Therefore, when the hydraulic rod 7 pushes the first upper mold 8, the plurality of second upper molds 9 are driven to move synchronously through the connecting member 11. The second upper mold 9 can be stably lifted and lowered along the top plate 4 through the connecting rod 10.

[0027] See also Figure 1 , Figure 2 and Figure 4 A feeding device 13 is provided at the rear of the processing platform 1, and the feeding device 13 includes a stirring tank 131, a top cover 132 is clamped on the top of the stirring tank 131, a stirring motor 133 is fixedly installed on the top of the top cover 132, a discharge pipe 134 is fixedly connected to the lower side of the stirring tank 131 close to the processing platform 1, a feeding pump 135 is fixedly installed on the other end of the discharge pipe 134, a feeding pipe 136 is fixedly connected to the other side of the feeding pump 135, a gathering pipe 137 is fixedly connected to the other end of the feeding pipe 136, and a plurality of distribution pipes 138 are fixedly connected to one side of the gathering pipe 137, and a feeding hole 53 is opened on one side of the lower mold 5, and a feeding hole 53 is opened on one side of the lower mold 5. The hole 53 is connected to the molding cavity 51, and a plurality of distribution pipes 138 are fixedly connected to the corresponding feed holes 53. The rubber raw material can be placed in the stirring tank 131. The stirring motor 133 can drive the stirring device (not shown in the figure) to continuously stir the rubber raw material to prevent the raw material from solidifying. When feeding, the feeding pump 135 transports the raw material to the feeding pipe 136 through the discharge pipe 134. The raw material in the feeding pipe 136 is concentrated and introduced into the gathering pipe 137, and the gathering pipe 137 divides the raw material into each distribution pipe 138. Finally, the raw material is transported to the corresponding molding cavity 51 of the lower mold 5 through the distribution pipe 138 and the feed hole 53 to wait for die-casting into a rubber pad.

[0028] See also Figure 1 and Figure 2A cooling device 12 is provided on one side of the processing platform 1. The cooling device 12 includes a liquid storage tank 121. A liquid supply pump 122 is fixedly connected to the top of the liquid storage tank 121. A plurality of liquid supply pipes 123 are fixedly connected to the output end of the liquid supply pump 122. The other ends of the liquid supply pipes 123 are fixedly connected to liquid return pipes 124. The other ends of the liquid return pipes 124 are fixedly connected to the liquid storage tank 121. A plurality of cooling grooves 54 are provided below the lower mold 5. A plurality of cooling holes 55 are provided inside the lower mold 5. The plurality of cooling holes 55 are connected to the cooling grooves 54. The plurality of liquid supply pipes 123 are fixedly connected to the output end of the liquid supply pump 122. The other ends of the liquid supply pipes 123 are fixedly connected to liquid return pipes 124. The other ends of the liquid return pipes 124 are fixedly connected to the liquid storage tank 121. 3 respectively penetrate the corresponding cooling grooves 54 on the multiple lower molds 5. The multiple cooling grooves 54 and the cooling holes 55 opened on each lower mold 5 can improve the cooling efficiency. Each liquid supply pipe 123 is installed in the corresponding cooling groove 54 and penetrates the multiple lower molds 5. The liquid supply pump 122 transports the coolant in the liquid storage tank 121 to the liquid supply pipe 123, and cools the molding cavity 51 through the cooling holes 55. When the cooling water passes through the lower mold 5, it takes away the heat and returns it to the liquid storage tank 121 through the return pipe 124, thereby improving the cooling efficiency of the rubber pad and facilitating the rapid demoulding of the rubber pad.

[0029] Working principle:

[0030] When in use, the stirring motor 133 can drive the stirring device to continuously stir the rubber raw material to prevent the raw material from solidifying. When feeding, the feeding pump 135 conveys the raw material to the feeding pipe 136 through the discharge pipe 134. The raw material in the feeding pipe 136 is concentrated and introduced into the gathering pipe 137, and the gathering pipe 137 divides the raw material into each distribution pipe 138. Finally, the raw material is conveyed to the corresponding molding cavity 51 of the lower mold 5 through the distribution pipe 138 and the feed hole 53. The hydraulic press 6 can drive the hydraulic rod 7 to push the first upper mold 8 to rise and fall, and drive multiple second upper molds 9 to move synchronously through the connecting piece 11. The second upper mold 9 can be connected by the connecting rod 10 is stably lifted and lowered along the top plate 4, and the first upper mold 8 and the second upper mold 9 are simultaneously lowered to die-cast the rubber raw material in the corresponding lower mold 5 below, so that the rubber raw material forms the rubber pad required for the railway vehicle in the molding cavity 51, and the liquid supply pump 122 transports the coolant in the liquid storage tank 121 to the liquid supply pipe 123, and cools the molding cavity 51 through the cooling hole 55. When the cooling water passes through the lower mold 5, the heat is taken away and returned to the liquid storage tank 121 through the return pipe 124, thereby improving the cooling efficiency of the rubber pad and facilitating the rapid demoulding of the rubber pad. The device has a compact structure and can simultaneously process multiple rubber pads without damage, thereby improving the processing efficiency.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0032] 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 non-destructive processing device for railway vehicle rubber pads, comprising a processing platform (1), characterized in that: A plurality of groups of lower molds (5) are fixedly installed at the middle part of the upper part of the processing platform (1); legs (2) are fixedly connected at the four corners below the processing platform (1); pillars (3) are fixedly connected at the four corners above the processing platform (1); a top plate (4) is fixedly connected between the other ends of the four groups of pillars (3); a hydraulic press (6) is fixedly installed at the middle part of the upper part of the top plate (4); a hydraulic rod (7) is fixedly connected at the output end of the hydraulic press (6); the hydraulic rod (7) is placed below the top plate (4) and a first upper mold (8) is fixedly connected at the other end; a second upper mold (9) is provided on both sides of the first upper mold (8); the plurality of groups of lower molds (5) correspond to the first upper mold (8) and the second upper mold (9), respectively; a connecting piece (11) is provided between the first upper mold (8) and the second upper mold (9); A molding cavity (51) is provided above the lower mold (5), and a center column (52) is fixedly connected to the middle portion of the molding cavity (51).

2. The non-destructive processing device for railway vehicle rubber pads according to claim 1, characterized in that: A connecting rod (10) is fixedly connected to the top of each of the second upper molds (9); the surface of each of the connecting rods (10) is slidably connected to the inner cavity of the top plate (4); and the other end of each of the connecting rods (10) is disposed above the top plate (4) and fixedly connected to a limiting plate (101).

3. The non-destructive processing device for railway vehicle rubber pads according to claim 2, characterized in that: The connecting member (11) comprises a first clamping plate (111) and a second clamping plate (112); a plurality of arc grooves (113) are provided on opposite surfaces of the first clamping plate (111) and the second clamping plate (112); the plurality of arc grooves (113) respectively correspond to the hydraulic rod (7) and the connecting rod (10); and fixing bolts (114) are fixedly connected to both sides of the first clamping plate (111) and the second clamping plate (112).

4. The non-destructive processing device for railway vehicle rubber pads according to claim 1, characterized in that: A feeding device (13) is arranged at the rear of the processing platform (1), and the feeding device (13) comprises a stirring tank (131), a top cover (132) is clamped on the top of the stirring tank (131), a stirring motor (133) is fixedly installed on the top of the top cover (132), a discharge pipe (134) is fixedly connected to the bottom of the stirring tank (131) on one side close to the processing platform (1), a feed pump (135) is fixedly installed on the other end of the discharge pipe (134), a feed pipe (136) is fixedly connected to the other side of the feed pump (135), a feed pipe (136) is fixedly connected to the other end of the feed pipe (136), a material gathering pipe (137) is fixedly connected to the other end of the feed pipe (136), and a plurality of material distribution pipes (138) are fixedly connected to one side of the material gathering pipe (137).

5. The non-destructive processing device for railway vehicle rubber pads according to claim 4, characterized in that: A feed hole (53) is provided on one side of the lower mold (5), the feed hole (53) and the molding cavity (51) are connected, and the plurality of distribution pipes (138) are respectively fixedly connected to the corresponding feed holes (53).

6. The non-destructive processing device for railway vehicle rubber pads according to claim 1, characterized in that: A cooling device (12) is provided on one side of the processing platform (1), and the cooling device (12) comprises a liquid storage tank (121). A liquid supply pump (122) is fixedly connected to the top of the liquid storage tank (121), and an output end of the liquid supply pump (122) is fixedly connected to a plurality of liquid supply pipes (123), and the other ends of the liquid supply pipes (123) are fixedly connected to liquid return pipes (124), and the other ends of the liquid return pipes (124) are fixedly connected to the liquid storage tank (121).

7. The non-destructive processing device for railway vehicle rubber pads according to claim 6, characterized in that: A plurality of cooling grooves (54) are provided below the lower mold (5), a plurality of cooling holes (55) are provided inside the lower mold (5), the plurality of cooling holes (55) are connected to the cooling grooves (54), and the plurality of liquid supply pipes (123) respectively pass through the corresponding cooling grooves (54) on the plurality of lower molds (5).

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