Vertical machining tool for booster reducer brake shell

Abstract

The utility model relates to the technical field of brake shell machining, in particular to a vertical machining tool for a booster reducer brake shell, which comprises a fixed chassis and a pressing component. Wherein the pressing assembly comprises a positioning boss and a positioning groove which are arranged at the top end of the fixed chassis side by side, vertical connecting rods are arranged in the middles of the positioning boss and the positioning groove, and pressing blocks used for vertically pressing the shell are arranged at the tops of the connecting rods; positioning blocks are fixedly arranged on the outer sides of the positioning boss and the positioning groove, positioning rods are arranged on the positioning blocks in a threaded connection mode, and the positioning rods are used for abutting against threaded holes in the outer wall of the shell. The counter bore in the top of the shell is coaxially positioned through the positioning boss, and the corresponding pressing block is pressed on the annular boss of the shell. The annular bosses at the bottoms of the shells are coaxially positioned through the positioning grooves, the corresponding pressing blocks are pressed at the bottom ends of the counter bores in the tops of the shells, staggered clamping machining of the tops and the bottoms of the two shells is completed under cooperation of the positioning rods, and the requirement for large-batch hole machining of the shells is met.

Description

Technical Field

[0001] The utility model relates to the technical field of brake housing processing, in particular to a vertical processing device for a brake housing of a boom truck reducer. Background Art

[0002] like Figure 1 The figure shows a schematic diagram of the structure of an existing boom truck reducer brake housing, hereinafter referred to as the housing, the top of which is an upper cylinder, the bottom is a lower flange, a connecting column is integrally provided between the upper cylinder and the lower flange, the bottom of the lower flange is provided with an annular boss, a processing plane is milled on the outer wall of the upper cylinder, and a radial threaded hole is drilled on the plane. A countersunk hole is provided in the middle of the upper cylinder, and the connecting column is provided with internal teeth, and the countersunk hole is coaxially connected with the internal teeth. Since the top of the upper cylinder needs to be processed with threaded holes along the circumference, the lower flange needs to be drilled, and the housing needs to be mass-produced, it is urgent to design a fixture for the brake housing to meet the needs of mass processing. Utility Model Content

[0003] The purpose of the utility model is to overcome the defects and shortcomings in the prior art. To this end, the utility model provides a vertical processing device for the brake housing of a boom truck reducer, which can clamp two housings and perform top and bottom hole processing on the corresponding housings respectively, meeting the batch processing requirements of the housings.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a vertical processing device for the brake housing of a boom truck reducer, including a fixed chassis and a clamping assembly; the clamping assembly includes a positioning boss and a positioning groove arranged side by side at the top of the fixed chassis, a vertical connecting rod is provided in the middle of the positioning boss and the positioning groove, and a pressure block for vertically clamping the housing is provided on the top of the connecting rod; positioning blocks are fixedly provided on the outer sides of the positioning boss and the positioning groove, a positioning rod is threadedly connected to the positioning block, and the positioning rod is used to press against the threaded hole on the outer wall of the housing; the positioning boss is used to coaxially position the countersunk hole at the top of the housing, and the positioning groove is used to coaxially position the annular boss at the bottom of the housing.

[0005] Furthermore, the connecting rod is threadedly connected to the fixed chassis and is tightened by a nut A; a nut B is provided on the top of the connecting rod, and the pressing block is slidably matched with the connecting rod; the pressing block is pressed on the shell by the nut B.

[0006] Furthermore, the positioning block is in a right-angle shape.

[0007] Furthermore, a positioning shaft is provided at the inner end of the positioning rod, and the positioning shaft is coaxially slidably embedded in the threaded hole of the outer wall of the shell.

[0008] Furthermore, the positioning rod matches the threaded hole on the outer wall of the shell.

[0009] Furthermore, a machined groove is provided on the outside of the positioning boss, and the top end of the positioning boss is flush with the top end of the fixed chassis.

[0010] Furthermore, the number of the clamping assemblies is several and they are distributed in a linear array.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: by setting the positioning boss and the positioning groove, the top and the bottom of the shell can be positioned respectively, and the vertical degree of freedom is limited by the pressing block, and the circumferential degree of freedom is limited by the positioning rod, so as to meet the hole processing requirements of the top and bottom of the shell, improve the processing efficiency, and meet the needs of batch processing of the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The present invention is a structural schematic diagram of the brake housing of the existing boom truck reducer.

[0013] Figure 2 It is a structural schematic diagram of the utility model.

[0014] Figure 3 It is a cross-sectional schematic diagram of the utility model.

[0015] Among them: 1. Fixed chassis; 2. Clamping assembly; 21. Positioning boss; 22. Positioning groove; 23. Connecting rod; 24. Pressing block; 25. Positioning block; 26. Positioning rod; 27. Processing groove; 28. Positioning shaft. DETAILED DESCRIPTION

[0016] 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.

[0017] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention. Example

[0018] See also Figure 2 and Figure 3The utility model provides a vertical processing device for the brake housing of a boom truck reducer, comprising a fixed chassis 1 and a clamping assembly 2; wherein the clamping assembly 2 comprises a positioning boss 21 and a positioning groove 22 arranged side by side at the top of the fixed chassis 1, a vertical connecting rod 23 is provided in the middle of the positioning boss 21 and the positioning groove 22, and a pressing block 24 for vertically clamping the housing is provided on the top of the connecting rod 23; a positioning block 25 is fixedly provided on the outer side of the positioning boss 21 and the positioning groove 22, a positioning rod 26 is threadedly connected to the positioning block 25, and the positioning rod 26 is used to press against the threaded hole on the outer wall of the housing.

[0019] The positioning boss 21 here is used to coaxially position the countersunk hole at the top of the shell, and the corresponding pressing block 24 is pressed against the annular boss of the shell; the positioning groove 22 here is used to coaxially position the annular boss at the bottom of the shell, and the corresponding pressing block 24 is pressed against the bottom end of the countersunk hole at the top of the shell, thereby realizing staggered positioning and clamping of the two shell tops and bottoms.

[0020] The positioning block 25 here is preferably in a right angle shape.

[0021] The inner end of the positioning rod 26 here can be provided with a positioning shaft 28, and the positioning shaft 28 is coaxially slidably embedded in the threaded hole of the outer wall of the shell, or the positioning rod 26 matches the threaded hole of the outer wall of the shell to achieve the limitation of the circumferential freedom of the shell.

[0022] When in use, the fixed chassis 1 needs to be fixed on the workbench of the vertical CNC machine tool. The two shells can be clamped by the clamping assembly 2, and holes can be processed on the top and bottom of the shells at the same time. Then, the positions of the two shells can be replaced to complete all the hole processing of a single shell. This improves production efficiency while ensuring stable clamping of the shells.

[0023] As an embodiment of the utility model, the connecting rod 23 is threadedly connected to the fixed chassis 1 and tightened by a nut A; a nut B is provided on the top of the connecting rod 23, and the pressure block 24 is slidably matched with the connecting rod 23; the pressure block 24 is pressed on the shell by the nut B.

[0024] As an embodiment of the utility model, a processing groove 27 is provided on the outside of the positioning boss 21, and the top of the positioning boss 21 is flush with the top of the fixed chassis 1. By processing the positioning boss 21 and the positioning groove 22 on a fixed chassis 1, the processing cost is saved.

[0025] In addition, there are several clamping assemblies 2 distributed in a linear array, so as to increase the number of clamping shells according to actual needs and further improve the production efficiency of shell hole processing, which will not be described in detail.

[0026] The utility model can be summarized in other specific forms that do not violate the spirit or main features of the utility model. Therefore, no matter from which point of view, the above embodiments of the utility model can only be regarded as an explanation of the utility model and cannot limit the utility model. The claims indicate the scope of the utility model, while the above description does not indicate the scope of the utility model. Therefore, any changes within the meaning and scope equivalent to the claims of the utility model should be considered to be included in the scope of the claims of the utility model.

Claims

1. A vertical processing device for a boom truck reducer brake housing, characterized in that: The invention comprises a fixed chassis (1) and a clamping assembly (2); the clamping assembly (2) comprises a positioning boss (21) and a positioning groove (22) arranged side by side at the top of the fixed chassis (1); a vertical connecting rod (23) is provided in the middle of the positioning boss (21) and the positioning groove (22); a pressing block (24) for vertically clamping a shell is provided on the top of the connecting rod (23); a positioning block (25) is fixedly provided on the outer side of the positioning boss (21) and the positioning groove (22); a positioning rod (26) is threadedly connected to the positioning block (25); the positioning rod (26) is used to press against a threaded hole on the outer wall of the shell; the positioning boss (21) is used to coaxially locate the countersunk hole at the top of the shell, and the positioning groove (22) is used to coaxially locate the annular boss at the bottom of the shell.

2. The vertical processing device for the brake housing of the boom truck reducer according to claim 1 is characterized in that: The connecting rod (23) is threadedly connected to the fixed chassis (1) and is tightened by a nut A; a nut B is provided on the top of the connecting rod (23); the pressing block (24) is slidably matched with the connecting rod (23); and the pressing block (24) is pressed onto the housing by the nut B.

3. The vertical processing device for the brake housing of the boom truck reducer according to claim 1 is characterized in that: The positioning block (25) is in a right angle shape.

4. The vertical processing device for the brake housing of the boom truck reducer according to claim 3 is characterized in that: The inner end of the positioning rod (26) is provided with a positioning shaft (28), and the positioning shaft (28) is coaxially slidably embedded in the threaded hole on the outer wall of the shell.

5. The vertical processing device for the brake housing of the boom truck reducer according to claim 3 is characterized in that: The positioning rod (26) matches the threaded hole on the outer wall of the housing.

6. The vertical processing device for the brake housing of the boom truck reducer according to claim 1 is characterized in that: A machined groove (27) is provided on the outside of the positioning boss (21), and the top end of the positioning boss (21) is flush with the top end of the fixed chassis (1).

7. The vertical processing device for the brake housing of a boom truck reducer according to any one of claims 1 to 6, characterized in that: The number of the clamping assemblies (2) is several and they are distributed in a linear array.

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