High-speed rail luggage rack support machining jig

Abstract

The utility model relates to the technical field of metal processing, in particular to a high-speed rail luggage rack support processing jig. The machining jig comprises a base, a plurality of base plates are arranged at the top of the base at intervals, two high-speed rail baggage holder supports are arranged above the base plates at intervals, the two high-speed rail baggage holder supports are arranged in an acute angle mode, the two high-speed rail baggage holder supports and the top face of the base are arranged in an acute angle mode, and pressing blocks moving in the height direction are arranged at the ends, away from the base, of the base plates. The pressing block is used for being matched with the sides, away from the base plate, of the two high-speed rail luggage rack supports in an abutting mode, a limiting block moving in the height direction is arranged on the side, located in the length direction of the two high-speed rail luggage rack supports, of the base, and the limiting block is used for being matched with the sides, in the length direction, of the two high-speed rail luggage rack supports in an abutting mode. According to the machining jig, the high-speed rail luggage rack support is placed at the acute angle, the machining jig effectively adapts to the small machining range of a machining center, and therefore the situation that multiple times of clamping and machining are needed due to the fact that the machining range is exceeded is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal processing technical field, specifically, relate to a high -speed rail luggage rack support machining jig. BACKGROUND

[0002] As Figure 1 The workpiece is a high-speed rail luggage rack support. With the improvement of high-speed rail transport capacity, the number of passenger luggage carried by the luggage rack is increasing, so higher requirements are put forward for the design of the luggage rack support. In the structural design, in order to improve the strength and reduce the possible fatigue damage, the single length of the luggage rack support is usually longer. This design concept aims to optimize the space utilization, while ensuring the stability and safety of the luggage rack under high load.

[0003] However, the existing general fixture has certain limitations in the machining process. Especially when using a machining center with a small machining range, parallel clamping of the workpiece is easy to cause the machining range to be exceeded. This not only makes one-time machining impossible, but also requires multiple machining, increasing the complexity of the process. In addition, frequent multiple machining not only prolongs the production cycle, but also significantly increases the production cost, affecting the overall production efficiency.

[0004] Therefore, it is urgent to develop a machining jig to meet the special needs of high-speed rail luggage rack supports. UTILITY MODEL CONTENTS

[0005] The utility model provides a high -speed rail luggage rack support machining jig, it can overcome certain or some defects of prior art.

[0006] According to the high-speed rail luggage rack support machining jig of the utility model, it includes the base, the plurality of spacers are arranged at the top of the base, 2 high-speed rail luggage rack supports are arranged at the top of the spacer, the 2 high-speed rail luggage rack supports are arranged at an acute angle with each other, the 2 high-speed rail luggage rack supports are arranged at an acute angle with the top surface of the base, the spacer is provided with a pressing block moving along the height direction at the end away from the base, the pressing block is used for abutting and cooperating with the side away from the spacer of the 2 high-speed rail luggage rack supports, the base is provided with a limiting block moving along the height direction at the side of the length direction of the 2 high-speed rail luggage rack supports, and the limiting block is used for abutting and cooperating with the side of the length direction of the 2 high-speed rail luggage rack supports.

[0007] In the preferred embodiment of the utility model, the side away from the pressing block of the spacer is provided with a first cylinder, the first cylinder has a first telescopic rod, the first telescopic rod is provided with a transition pipe at the end close to the pressing block, the pressing block is provided with a first mounting hole, the first mounting hole is provided with a first countersunk screw, and the first countersunk screw is used for screwing with the first telescopic rod through the transition pipe.

[0008] In the preferred embodiment of the utility model, the spacer plate is provided with a telescopic hole, and the telescopic hole is used for sliding fit with the first telescopic rod and the transition pipe.

[0009] In the preferred embodiment of the utility model, the telescopic hole is provided with a guide post on both sides, and the spacer plate is provided with a guide hole corresponding to the guide post.

[0010] In the preferred embodiment of the utility model, the spacer plate is provided with a telescopic hole, and the telescopic hole is used for sliding fit with the first telescopic rod and the transition pipe.

[0011] In the preferred embodiment of the utility model, the spacer plate is provided with a telescopic hole, and the telescopic hole is used for sliding fit with the first telescopic rod and the transition pipe.

[0012] In the preferred embodiment of the utility model, the spacer plate is provided with a telescopic hole, and the telescopic hole is used for sliding fit with the first telescopic rod and the transition pipe.

[0013] In the preferred embodiment of the utility model, the spacer plate is provided with a telescopic hole, and the telescopic hole is used for sliding fit with the first telescopic rod and the transition pipe.

[0014] Beneficial effects:

[0015] By placing the high-speed rail luggage rack support at an acute angle, the horizontal projection size of the high-speed rail luggage rack support is greatly reduced, the machining center is effectively adapted to a smaller machining range, and the situation that multiple clamping machining is required due to exceeding the machining range is avoided. The above structure not only simplifies the machining process, but also significantly improves the efficiency of single machining, shortens the machining cycle, and improves the production efficiency.

[0016] Further, the utility model adopts the combined design of the pressing block and the spacer block, the pressing block is driven by the first cylinder to realize effective clamping of the workpiece, and the spacer block is driven by the second cylinder to provide accurate positioning for the workpiece in the length direction, so that the stability and accuracy of the workpiece in the machining process are ensured, and the size error and machining defects caused by improper clamping are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is an axial measurement structure diagram of the high-speed rail luggage rack support;

[0018] Figure 2 It is an axial measurement diagram of the high-speed rail luggage rack support machining jig in at least one embodiment of the utility model;

[0019] Figure 3 is a partial exploded view of the high-speed rail luggage rack support jig in at least one embodiment of the present application;

[0020] Figure 4 is Figure 3 is a partial enlarged view of position A in the middle;

[0021] Figure 5 is an axonometric view of the limiting block in at least one embodiment of the present application. DETAILED DESCRIPTION

[0022] The drawings in the present disclosure are not strictly drawn to scale, and the number of spacers 2, the number of pressing blocks 4, and the number of high-speed rail luggage supports are not limited to the number shown in the drawings. The specific dimensions and number of each structure can be determined according to actual needs. The drawings described in the present disclosure are only structural schematic diagrams.

[0023] As shown in Figures 2-5 , the embodiment provides a high-speed rail luggage rack support 3 machining jig, which comprises a base 1, five spacers 2 are arranged at the top of the base 1, two high-speed rail luggage rack supports 3 are arranged at the top of the spacers 2, a pressing block 4 is arranged at the end of the spacer 2 away from the base 1 and moves in the height direction, the pressing block 4 is used for abutting and cooperating with the side of the two high-speed rail luggage rack supports 3 away from the spacer 2, so as to realize clamping of the high-speed rail luggage rack support 3 to be machined, two first installation grooves 21 are formed at the end of the spacer 2 away from the base 1, two second installation grooves 43 are formed at the end of the pressing block 4 close to the spacer 2, and the first installation groove 21 and the second installation groove 43 are both in profile cooperation with the high-speed rail luggage rack support 3.

[0024] Among them, the two high-speed rail luggage rack supports are arranged at an acute angle with each other, and the two high-speed rail luggage rack supports 3 are arranged at an acute angle with the top surface of the base 1, so that the horizontal projection length of the high-speed rail luggage support is smaller, and the smaller size machining center can effectively process it.

[0025] Further, by arranging five spacers, the high-speed rail luggage rack supports 3 of different lengths to be machined can be effectively supported, thereby effectively improving the utilization rate of the jig.

[0026] In addition, the base 1 is provided with a limiting block 5 moving in the height direction at one side of the length direction of the two high-speed rail luggage rack supports 3, the limiting block 5 is used for abutting and cooperating with the one side of the length direction of the two high-speed rail luggage rack supports 3, and the limiting block 5 can provide length direction positioning when the high-speed rail luggage rack is clamped.

[0027] Specifically, the cushion plate 2 is provided with a first cylinder 6 away from the pressing block 4, the first cylinder 6 has a first telescopic rod 61, the first telescopic rod 61 is provided with a transition pipe 62 at one end close to the pressing block 4, the pressing block 4 is provided with a first mounting hole 41, the first mounting hole 41 is provided with a first countersunk screw 63, the first countersunk screw 63 is used for threadedly cooperating with the first telescopic rod 61 through the transition pipe 62, and the first cylinder 6 is used for driving the pressing block 4 to move, so that the high-speed rail luggage rack support 3 to be machined is clamped.

[0028] Wherein, the telescopic hole 22 is formed at the cushion plate 2, and the telescopic hole 22 is used for slidingly cooperating with the first telescopic rod 61 and the transition pipe 62.

[0029] In addition, the telescopic hole 22 is provided with a guide column 64 on both sides, and the pressing block 4 is provided with a guide hole 42 correspondingly, the guide column 64 and the guide hole 42 are correspondingly slidingly matched, so that the pressing block 4 is guided.

[0030] In the embodiment, two second cylinders 7 are arranged below the limiting block 5 at intervals, the second cylinder 7 has a second telescopic rod 71, the limiting block 5 is provided with a second mounting hole 51 at intervals, the second mounting hole 51 is provided with a second countersunk screw 72, the second countersunk screw 72 is used for threadedly cooperating with the second telescopic rod 71 through the second mounting hole 51, and the second cylinder 7 is used for driving the limiting block 5 to move, so that the high-speed rail luggage rack support 3 to be machined is limited in the length direction.

[0031] In some embodiments, the limiting block 5 is provided with an abutting surface 52 at both ends in the width direction close to the high-speed rail luggage rack support 3, the abutting surface 52 is used for abutting cooperation with the high-speed rail luggage rack support 3, so as to improve the clamping positioning accuracy of the high-speed rail luggage rack support 3 to be machined in the length direction.

[0032] In some embodiments, the base 1 comprises a bottom plate 11 and a top plate 12 arranged at intervals in the height direction, and a plurality of side plates 13 are arranged at intervals in the length direction between the bottom plate 11 and the top plate 12, so as to preferably improve the structural strength of the base 1.

[0033] It is easy to understand that the skilled in the art can combine, split, recombine and the like on the basis of one or more embodiments provided in the present application to obtain other embodiments, and these embodiments do not exceed the protection scope of the present application.

Claims

1. A high-speed rail luggage rack support processing fixture, comprising a base, characterized in that, The base has multiple pads spaced apart on its top, and two high-speed rail luggage rack supports are spaced apart above the pads. The two high-speed rail luggage rack supports are set at acute angles to each other and at acute angles to the top surface of the base. A pressure block that moves along the height direction is provided at the end of the pad away from the base. The pressure block is used to abut against the side of the two high-speed rail luggage rack supports away from the pad. A limiting block that moves along the height direction is provided on the side of the base located along the length direction of the two high-speed rail luggage rack supports. The limiting block is used to abut against the side of the two high-speed rail luggage rack supports along the length direction.

2. The high-speed rail luggage rack bracket processing fixture according to claim 1, characterized in that, A first cylinder is provided on the side of the pad away from the pressure block. The first cylinder has a first telescopic rod. A transition tube is provided at the end of the first telescopic rod near the pressure block. A first mounting hole is provided on the pressure block. A first countersunk screw is provided at the first mounting hole. The first countersunk screw is used to pass through the transition tube and engage with the threaded first telescopic rod.

3. The high-speed rail luggage rack bracket processing fixture according to claim 2, characterized in that, An expansion joint is formed at the pad, which is used for sliding engagement with the first expansion rod and the transition tube.

4. The high-speed rail luggage rack bracket processing fixture according to claim 3, characterized in that, Guide posts are provided on both sides of the telescopic hole, and guide holes are provided at the pressure block. The guide posts and guide holes slide in a corresponding fit.

5. The high-speed rail luggage rack bracket processing fixture according to claim 1, characterized in that, Two second cylinders are spaced apart below the limiting block. Each second cylinder has a second telescopic rod. Second mounting holes are formed at intervals at the limiting block. Second countersunk screws are provided at the second mounting holes. The second countersunk screws are used to pass through the second mounting holes and engage with the second telescopic rods.

6. The high-speed rail luggage rack bracket processing fixture according to claim 1, characterized in that, The limiting block forms abutment surfaces at both ends of its width on the side closest to the high-speed rail luggage rack support. These abutment surfaces are used to abut and cooperate with the high-speed rail luggage rack support.

7. The high-speed rail luggage rack bracket processing fixture according to claim 1, characterized in that, The base includes a bottom plate and a top plate spaced apart along the height direction, and multiple side plates spaced apart between the bottom plate and the top plate along the length direction.

8. The high-speed rail luggage rack bracket processing fixture according to claim 1, characterized in that, Two first mounting slots are formed at intervals at the end of the pad away from the base, and two second mounting slots are formed at intervals at the end of the pressure block near the pad. Both the first and second mounting slots are conformally matched with the high-speed rail luggage rack bracket.

Images