Heavy-load broach assembly
By setting insertion holes and hanging post structures on the cutter box, combined with insertion posts and hooks, the problem of inconvenient operation of fixing the cutter box in the prior art is solved, and convenient loading and unloading of the cutter assembly is realized.
Patent Information
- Application Number
- CN202520520109.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-24
AI Technical Summary
In existing broaching assemblies, the broaching box is inconvenient to fix, requiring a complex gripping fixture, which makes operation inconvenient.
The design incorporates a back insertion hole and a side hanging post structure for the cutter box. The combination of the insertion post and hook simplifies the loading, cutting, and unloading operations of the cutter.
It enables convenient loading and unloading of the broach assembly, reduces reliance on complex fixtures, and improves the ease and stability of operation.
Smart Images

Figure CN223876189U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of broach, more particularly, to a heavy-duty broach assembly. BACKGROUND
[0002] In the aviation industry, the turbine disc in the aero-engine is one of the most critical parts, which works in high speed and high temperature environment for a long time. The turbine disc is cut by a mortise and tenon broaching machine. The turbine disc has special material and difficult processing, and the cutting processability is very poor. The turbine disc has high requirements for the surface roughness and the indexing accuracy of the rotary machining. The core component of the turbine disc mortise and tenon operation is a broach assembly (including a broach box and a broach). In the prior art, a complex grabbing clamp is used to fix the broach box to perform the operations of feeding the broach, feeding the tool and unloading the tool, which is inconvenient to operate. CONTENT OF THE UTILITY MODEL
[0003] Therefore, the present application provides a heavy-duty broach assembly to solve the technical problem of inconvenient operation when the broach box in the broach assembly is fixed by a complex grabbing clamp in the prior art.
[0004] The present application provides a heavy-duty broach assembly, wherein the heavy-duty broach assembly comprises:
[0005] The broach box and the broach arranged on the broach box, the back surface of the broach box is provided with a plug-in hole, the first side surface of the broach box is provided with a first hanging column, and the second side surface of the broach box opposite to the first side surface is provided with a second hanging column.
[0006] Further, the plug-in hole extends obliquely from the back surface of the broach box to the inside of the broach box along a direction forming an angle with the back surface.
[0007] Further, the plug-in hole comprises a main hole and a long slot communicated with the upper end of the main hole, the hole wall of the plug-in hole is protruded with a boss, the boss encloses the long slot, and the width of the long slot is smaller than the hole diameter of the main hole.
[0008] Further, the first hanging column extends obliquely from the first side surface to the first side surface along a direction forming an angle with the first side surface, and the second hanging column extends obliquely from the second side surface to the second side surface along a direction forming an angle with the second side surface.
[0009] Further, the heavy-duty broach assembly further comprises a lifting ring arranged on both sides of the broach box.
[0010] Further, the broach comprises a cylindrical tooth-shaped blade and a sheet-shaped blade.
[0011] Further, the puller box is a rectangular box, and the cylindrical tooth-shaped blade and the sheet-shaped blade are arranged along the length direction of the rectangular box.
[0012] Further, the puller is detachably connected to the puller box through a threaded rod, or is detachably clamped to the puller box.
[0013] Further, the side surface of the puller has a clamping recess, the heavy-load puller assembly comprises a limiting block detachably connected to the puller box through a threaded rod, the limiting block is inserted into the clamping recess, and the limiting block has a mounting hole for mounting the threaded rod.
[0014] Further, the puller box is provided with a weight-reducing through hole.
[0015] Compared with the prior art, in the heavy-load puller assembly, the back surface of the puller box is provided with a plug-in hole, the first side surface is provided with a first hanging column, and the second side surface is provided with a second hanging column, so that the plug-in hole is inserted into the plug-in hole of the related puller taking and placing loading mechanism (for example, a feeding and discharging mechanism and a tool loading and unloading mechanism), the hook is hung on the first hanging column and the second hanging column, and the plug-in hole and the corresponding hanging column are conveniently separated from each other, so that the complicated grabbing clamp is no longer needed to fix the puller box to perform the feeding, tool loading and tool unloading operations of the puller, and the loading, taking and placing operations of the heavy-load puller assembly are very convenient, and the puller box can be conveniently and quickly fixed during the use of the heavy-load puller assembly.
[0016] Other advantages of the present application will be described in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort.
[0018] Figure 1 It is a perspective view of the heavy-load puller assembly of an embodiment of the present application;
[0019] Figure 2 It is a perspective view of the heavy-load puller assembly of an embodiment of the present application; Figure 1 It is an enlarged view of A in the above figure;
[0020] Figure 3 It is a cross-sectional view of the heavy-load puller assembly of an embodiment of the present application;
[0021] Figure 4 It is a partial perspective view of the puller box in the heavy-load puller assembly of an embodiment of the present application.
[0022] Explanation of reference signs:
[0023] 1-threaded rod; 100-heavy-duty broach assembly; 101-broach box; 102-suspender; 103-insertion hole; 104-main hole; 105-long slot; 106-first hanging column; 107-second hanging column; 108- boss; 109-cylindrical tooth blade; 110-flaky blade; 111-engaging recess; 112-limiting block; 113-mounting hole; 114-weight-reducing through hole. DETAILED DESCRIPTION
[0024] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The accompanying drawings show one or more embodiments of the present application in order to make the understanding of the technical solutions disclosed by the present application more accurate and thorough. However, it should be understood that the present application can be realized in various forms and is not limited to the embodiments described below.
[0025] The same or similar reference signs in the drawings of the present application correspond to the same or similar components; in the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the present application. For those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.
[0026] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implying the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes include A scheme, or B scheme, or A and B schemes are satisfied at the same time.
[0027] In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor is it within the scope of protection claimed by the present application.
[0028] Reference Figures 1 to 4The utility model provides a kind of heavy load broach assembly 100, wherein, heavy load broach assembly 100 includes:
[0029] Broach box 101 and the broach of being set on broach box 101, the back of broach box 101 is provided with insertion hole 103, first hanging column 106 is provided on the first side of broach box 101, second hanging column 107 is provided on the second side of broach box 101 opposite first side.
[0030] Since the utility model provides heavy load broach assembly 100, the back of broach box 101 is provided with insertion hole 103, first hanging column 106 is provided on the first side, and second hanging column 107 is provided on the second side, so that the insertion post is inserted into insertion hole 103 by being provided on the relevant broach taking and placing loading mechanism (such as feeding mechanism and up-down knife mechanism etc.), the first hanging column 106 and the second hanging column 107 are hung by being provided with hook, the insertion post and the hook are also convenient to separate from insertion hole 103 and corresponding hanging column, and the feeding, up-knife and down-knife etc.
[0031] According to the preferred embodiment of the present application, insertion hole 103 extends obliquely from the back of broach box 101 towards the inside of broach box 101 along a direction forming an angle with the back, of course, the insertion post corresponding to insertion hole 103 on the broach taking and placing loading mechanism can also be matchedly arranged obliquely, so that when the oblique insertion post and the oblique insertion hole 103 are inserted and matched, the oblique insertion post can generate a limiting force towards the broach taking and placing loading mechanism in the direction perpendicular to the back of broach box 101, so that heavy load broach assembly 100 is more stably hung on the broach taking and placing loading mechanism.
[0032] According to one embodiment of the present application, insertion hole 103 includes main hole 104 and long slot 105 communicated at the upper end of main hole 104, the hole wall of insertion hole 103 protrudes from the boss 108, the boss 108 encloses long slot 105, the width of long slot 105 is less than the hole diameter of main hole 104, and the corresponding insertion post can be provided with protruding post head by matching the shape of insertion hole 103, so as to better limit broach box 101 by resisting boss 108.
[0033] According to the preferred embodiment of the present application, a plurality of first hanging columns 106 can be arranged vertically, and a plurality of second hanging columns 107 can be arranged vertically, so as to more stably hang broach box 101 by being provided with corresponding multiple hooks on the broach taking and placing loading mechanism.
[0034] According to one embodiment of the present application, the first hanging column 106 extends obliquely from the first side in a direction away from the first side at an angle to the first side, and the second hanging column 107 extends obliquely from the second side in a direction away from the second side at an angle to the second side. The oblique design of the first hanging column 106 and the second hanging column 107 is similar to the advantages of the oblique design of the insertion hole 103 mentioned above, and also facilitates the first hook and the second hook to more stably hang the broach box 101.
[0035] In addition, the heavy-duty broach assembly 100 further comprises the lifting rings 102 arranged on both sides of the broach box 101, which facilitates the broach box 101 to be lifted by the lifting hooks and other structures on the broach taking and placing loading mechanism.
[0036] According to a specific embodiment of the present application, the broach comprises cylindrical tooth-shaped blades 109 and sheet-shaped blades 110 for different forms of turbine disc tenon groove operations, and the broach box 101 is a rectangular box, and the cylindrical tooth-shaped blades 109 and the sheet-shaped blades 110 are arranged along the length direction of the rectangular box.
[0037] According to one embodiment of the present application, the broach (including the cylindrical tooth-shaped blades 109 and the sheet-shaped blades 110) is detachably connected to the broach box 101 by a threaded rod, or is detachably clamped to the broach box 101.
[0038] According to a preferred embodiment of the present application, the side surface of the broach (for example, the sheet-shaped blade 110) has a clamping recess 111, the heavy-duty broach assembly 100 comprises a limiting block 112 detachably connected to the broach box 101 by a threaded rod 1, the limiting block 112 is inserted into the clamping recess 111, thereby facilitating the broach to be stably fixed to the broach box 101, the limiting block 112 has a mounting hole 113 for mounting the threaded rod 1, and the threaded rod 1 can be fastened to the broach box 101 through the mounting hole 113.
[0039] In addition, the broach box 101 is provided with a weight-reducing through hole 114, which can reasonably reduce the weight of the broach box 101 while ensuring the strength of the broach box 101.
[0040] It should be noted that the above embodiments only express the preferred embodiments of the present application, and the description is more specific and detailed, but it should not be understood as a limitation of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, such as combining different features in each embodiment, which should all belong to the protection scope of the present application.
Claims
1. A heavy duty broach assembly comprising: The heavy-duty broach assembly comprises: The broach box is provided with an insertion hole on the back surface, a first hanging column on the first side surface, and a second hanging column on the second side surface opposite to the first side surface.
2. The heavy duty broach assembly of claim 1, wherein, The insertion hole extends obliquely from the back surface of the broach box to the inside of the broach box in a direction forming an angle with the back surface.
3. The heavy duty broach assembly of claim 2, wherein, The insertion hole comprises a main hole and a long slot communicated with the upper end of the main hole, and the hole wall of the insertion hole is provided with a boss, which encloses the long slot, and the width of the long slot is smaller than the hole diameter of the main hole.
4. The heavy duty broach assembly of claim 3, wherein, The first hanging column extends obliquely from the first side surface in a direction forming an angle with the first side surface, and the second hanging column extends obliquely from the second side surface in a direction forming an angle with the second side surface.
5. The heavy duty broach assembly of claim 4, wherein, The heavy-duty broach assembly further comprises a lifting ring arranged on both sides of the broach box.
6. The heavy duty broach assembly of any one of claims 1 to 5, wherein, The broach comprises a cylindrical tooth blade and a sheet blade.
7. The heavy duty broach assembly of claim 6, wherein, The broach box is a rectangular box, and the cylindrical tooth blade and the sheet blade are arranged along the length direction of the rectangular box.
8. The heavy duty broach assembly of any one of claims 1 to 5, wherein, The broach is detachably connected to the broach box through a threaded rod, or is detachably clamped to the broach box.
9. The heavy duty broach assembly of claim 8, wherein, The side surface of the broach has a clamping recess, the heavy-duty broach assembly comprises a limiting block detachably connected to the broach box through a threaded rod, the limiting block is inserted into the clamping recess, and the limiting block has a mounting hole for mounting the threaded rod.
10. The heavy duty broach assembly of any one of claims 1 to 5, wherein, The broach box is provided with a weight-reducing through hole.