Limiting mechanism of automobile hallstand assembly testing fixture

Abstract

The utility model relates to a limiting mechanism of an automobile hallstand assembly testing fixture, which comprises a bottom plate and a main body arranged at the top of the bottom plate, the main body comprises a first positioning assembly and a second positioning assembly which are respectively arranged front and back and are matched with each other, and the first positioning assembly comprises a first positioning unit and a second positioning unit which are respectively arranged left and right. The second positioning assembly comprises a third positioning unit and a fourth positioning unit which are arranged front and back. According to the utility model, the automobile hallstand assembly can be automatically positioned and fixed without manual operation, so that the operation steps are simplified to achieve the effect of saving time and labor, the working efficiency is improved, and the positioning precision is improved to ensure the accuracy of size verification.

Description

Technical Field

[0001] The utility model relates to a limiting mechanism of an automobile coat rack assembly inspection tool. Background Art

[0002] The interior space design of cars is becoming more and more user-friendly, and many interior decorations that facilitate people's travel have been expanded according to needs. Car coat racks are common interior decorations that have appeared and become popular in recent years. Their function is to provide people with a bracket for hanging clothes, hats and other items in the car. The car coat rack consists of a bracket assembly and an external decorative cover. In order to ensure that the dimensional accuracy of the car coat rack assembly meets the design requirements, the dimensional accuracy of the car coat rack assembly must be verified with the help of matching inspection fixtures.

[0003] The existing matching inspection fixtures are basically manually operated when positioning and fixing the matching automobile coat rack assembly, so the operation steps are relatively cumbersome, time-consuming and labor-intensive, which leads to low work efficiency and low positioning accuracy, which in turn affects the accuracy of size verification and needs further improvement. Utility Model Content

[0004] In view of the current status of the above-mentioned prior art, the technical problem to be solved by the utility model is to provide a limiting mechanism for an automobile coat rack assembly inspection fixture which simplifies the operating steps to save time and effort and improve work efficiency, and improves the positioning accuracy to ensure the accuracy of dimensional verification.

[0005] The technical solution adopted by the utility model to solve the above technical problems is: a limiting mechanism of an automobile coat rack assembly inspection fixture, characterized in that it includes a bottom plate and a main body arranged on the top of the bottom plate, the main body includes a first positioning assembly and a second positioning assembly respectively arranged front and back and cooperating with each other, the first positioning assembly includes a first positioning unit and a second positioning unit respectively arranged left and right, and the second positioning assembly includes a third positioning unit and a fourth positioning unit respectively arranged front and back;

[0006] The first positioning unit includes a first support frame fixed on the bottom plate, a first positioning cylinder fixed on the first support frame, a first pressing arm transversely fixed on the telescopic end of the first positioning cylinder, a second pressing arm transversely fixed on the end of the first pressing arm, and a pressing sleeve fixed on the lower side of the end of the second pressing arm, and the telescopic end of the first positioning cylinder is vertically arranged upward;

[0007] The second positioning unit includes a second support frame fixed on the bottom plate and capable of adjusting the fixed position horizontally in the front, back, left and right directions, a first bracket fixed on the second support frame, a second positioning cylinder fixed on the second support frame and located below the first bracket, and a first positioning column vertically inserted in the first bracket and located below the pressing sleeve and cooperating with the pressing sleeve, wherein the telescopic end of the second positioning cylinder is vertically arranged upward and fixed to the lower end of the first positioning column;

[0008] The third positioning unit includes a third support frame fixed on the bottom plate and capable of adjusting the fixed position horizontally in the front, back, left and right directions, two stop blocks respectively fixed on the left and right sides of the third support frame and capable of adjusting the fixed position vertically in the upper and lower directions, and a second positioning column fixed on the top of the third support frame and capable of adjusting the fixed position vertically in the upper and lower directions;

[0009] The fourth positioning unit includes a fourth support frame fixed on the base plate and capable of adjusting the fixed position laterally forward, backward, left and right, a welding clamping cylinder vertically fixed on the fourth support frame, and a third pressure arm fixed on the swinging end of the welding clamping cylinder, wherein the swinging end of the welding clamping cylinder is arranged upward.

[0010] Preferably, the second positioning assembly also includes a fifth positioning unit, the fifth positioning unit includes a fifth support frame fixed on the base plate and capable of adjusting the fixed position laterally forward, backward, left and right, and an orienting module obliquely arranged on the fifth support frame, the orienting module includes a second support block fixed on the fifth support frame, a third positioning cylinder fixed on the lower side of the second support block, a support seat fixed on the upper side of the second support block, and a third positioning column interspersed between the second support block and the support seat, the telescopic end of the third positioning column is inclined forward and upward and fixed to the lower end of the third positioning column.

[0011] Preferably, a bent section is formed at the end of the third pressing arm facing forward and downward, and a detachable pressing block is fixed to the lower side of the bent section.

[0012] Preferably, the tops of the two limit blocks are each formed with a side block symmetrically arranged upwards, and correspondingly, a washer is fixed on both the left and right sides of the end of the bending section.

[0013] Preferably, the first positioning unit also includes a lifting plate laterally fixed on the telescopic end of the first positioning cylinder and a movable plate laterally fixed on the lifting plate and capable of adjusting the fixed position laterally forward, backward, left and right, and the root of the first pressing arm is fixed on the movable plate.

[0014] Preferably, a first step column is vertically arranged upward from the center of the upper end of the first positioning column, and a second step column is vertically arranged upward from the center of the end of the first step column and cooperates with the end of the pressing sleeve.

[0015] Preferably, a third step column is vertically arranged upwardly from the center of the end of the second positioning column.

[0016] Preferably, a fourth step column is vertically arranged upward at the center of the upper end of the third positioning column and cooperates with the pressing block.

[0017] Compared with the prior art, the advantages of the present invention are that the present invention can automatically complete the positioning and fixing of the automobile coat rack assembly without manual operation, thereby simplifying the operating steps to achieve the effect of saving time and labor and improving work efficiency, and improving the positioning accuracy to ensure the accuracy of size verification. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a right front side structural diagram of the utility model;

[0019] Figure 2 It is the left rear side structural diagram of the utility model. DETAILED DESCRIPTION

[0020] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprise" and the like mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0021] In order to keep the following description of the embodiments of the present invention clear and concise, the present invention omits detailed descriptions of known functions and known components.

[0022] like Figures 1-2 As shown, a limiting mechanism of a car coat rack assembly inspection fixture comprises a bottom plate 1 and a main body 2 arranged on the top of the bottom plate 1, the main body 2 comprises a first positioning assembly and a second positioning assembly respectively arranged front and back and cooperating with each other, the first positioning assembly comprises a first positioning unit and a second positioning unit respectively arranged left and right, and the second positioning assembly comprises a third positioning unit and a fourth positioning unit respectively arranged front and back;

[0023] The first positioning unit includes a first support frame 28 fixed on the bottom plate 1, a first positioning cylinder 29 fixed on the first support frame 28, a first pressing arm 210 laterally fixed on the telescopic end of the first positioning cylinder 29, a second pressing arm 211 laterally fixed on the end of the first pressing arm 210, and a pressing sleeve 212 fixed on the lower side of the end of the second pressing arm 211, and the telescopic end of the first positioning cylinder 29 is vertically arranged upward;

[0024] The second positioning unit includes a second support frame 24 fixed on the bottom plate 1 and capable of adjusting the fixed position in a horizontal direction in the front, back, left and right directions, a first bracket 25 fixed on the second support frame 24, a second positioning cylinder 26 fixed on the second support frame 24 and located below the first bracket 25, and a first positioning column 27 vertically inserted in the first bracket 25 and located below the pressing sleeve 212 and cooperating with the pressing sleeve 212, and the telescopic end of the second positioning cylinder 26 is vertically arranged upward and fixed to the lower end of the first positioning column 27;

[0025] The third positioning unit includes a third support frame 21 fixed on the bottom plate 1 and capable of adjusting the fixed position horizontally forward, backward, left and right, two stop blocks 22 respectively fixed on the left and right sides of the third support frame 21 and capable of adjusting the fixed position vertically, and a second positioning column 23 fixed on the top of the third support frame 21 and capable of adjusting the fixed position vertically;

[0026] The fourth positioning unit includes a fourth support frame 218 fixed on the base plate 1 and capable of adjusting the fixed position laterally forward, backward, left and right, a welding clamping cylinder 219 vertically fixed on the fourth support frame 218, and a third pressure arm 220 fixed on the swing end of the welding clamping cylinder 219, and the swing end of the welding clamping cylinder 219 is set upward.

[0027] The second positioning assembly also includes a fifth positioning unit, which includes a fifth support frame 213 fixed on the base plate 1 and capable of adjusting the fixed position horizontally forward, backward, left and right, and an orientation module obliquely arranged on the fifth support frame 213. The orientation module includes a second support block 215 fixed on the fifth support frame 213, a third positioning cylinder 214 fixed on the lower side of the second support block 215, a bracket 216 fixed on the upper side of the second support block 215, and a third positioning column 217 interspersed between the second support block 215 and the bracket 216. The telescopic end of the third positioning column 217 is inclined forward and upward and fixed to the lower end of the third positioning column 217.

[0028] A bending section 22011 is formed at the end of the third pressing arm 220 facing forward and downward, and a detachable pressing block 222 is fixed to the lower side of the bending section 22011 .

[0029] The tops of the two limit blocks 22 are each formed with a side block 2201 symmetrically arranged upwards. Correspondingly, a washer 221 is fixed on both the left and right sides of the end of the bending section 22011.

[0030] The first positioning unit also includes a lifting plate 223 laterally fixed on the telescopic end of the first positioning cylinder 29 and a movable plate 224 laterally fixed on the lifting plate 223 and capable of adjusting the fixed position laterally forward, backward, left and right. The root of the first pressing arm 210 is fixed on the movable plate 224.

[0031] A first step column 271 is vertically arranged upward at the center of the upper end of the first positioning column 27 , and a second step column 272 is vertically arranged upward at the center of the end of the first step column 271 and cooperates with the end of the pressing sleeve 212 .

[0032] A third step column 231 is vertically formed at the center of the end of the second positioning column 23 .

[0033] A fourth step column 2171 is vertically arranged upward at the center of the upper end of the third positioning column 217 and cooperates with the pressing block 222 .

[0034] Working principle:

[0035] The telescopic end of the first positioning cylinder 29 in the first positioning unit is driven to extend outward to drive the first pressure arm 210 to move upward with the help of the lifting plate 223 and the movable plate 224, and then the pressure sleeve 212 is driven to move upward with the help of the second pressure arm 211; and at the same time, the telescopic end of the second positioning cylinder 26 in the second positioning unit is driven to retract inward to drive the first positioning column 27 to move downward; and at the same time, the swing end of the welding clamping cylinder 219 in the fourth positioning unit is driven to swing upward to drive the pressure block 222 to swing upward with the help of the third pressure arm 220; and then at the same time, the telescopic end of the third positioning cylinder 214 in the orienting module in the fifth positioning unit is driven to retract inward to drive the third positioning column 217 to move obliquely backward and downward.

[0036] Next, the front and rear sides of the bottom of the automobile coat rack assembly are placed on the top of the first bracket 25 and the third support frame 21 respectively, and the end of the second positioning column 23 is fitted to the bottom of the automobile coat rack assembly, and the third step column 231 is inserted into the through hole at the bottom of the automobile coat rack assembly. At this time, the rear end of the automobile coat rack assembly is embedded between the two side blocks 2201 to complete the initial positioning.

[0037] Finally, the telescopic end of the first positioning cylinder 29 is driven to retract inward to drive the pressing sleeve 212 to move downward and press it against the top of the automobile coat rack assembly in the same way; and at the same time, the telescopic end of the second positioning cylinder 26 is driven to extend outward to drive the first positioning column 27 to move upward in the same way, so that the end of the first step column 271 is pressed against the bottom of the automobile coat rack assembly, and the second step column 272 is inserted into the countersunk hole at the bottom of the automobile coat rack assembly; and at the same time, the swing end of the welding clamping cylinder 219 is driven to swing downward to drive the pressing block 222 to swing downward. At this time, the end of the bending section 22011 extends into the automobile coat rack assembly. The inside of the automobile coat rack assembly, and the ends of the two washers 221 are respectively fitted on the left and right inner walls of the automobile coat rack assembly; and then the telescopic end of the third positioning cylinder 214 is driven to extend outward to drive the third positioning column 217 to move obliquely forward and upward, so that the upper end of the third positioning column 217 is tilted upward and pressed against the rear lower outer wall of the automobile coat rack assembly, and at the same time, the fourth step column 2171 is inserted into the through hole located on the rear lower side of the automobile coat rack assembly, so that the limiting and fixing of the automobile coat rack assembly is completed, and then the size of the automobile coat rack assembly can be detected with the help of the matching inspection fixture.

[0038] The utility model can automatically complete the positioning and fixing of the automobile coat rack assembly without manual operation, thereby simplifying the operation steps to achieve the effect of saving time and labor and improving work efficiency, and improving the positioning accuracy to ensure the accuracy of size verification.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A limiting mechanism for an automobile coat rack assembly inspection fixture, characterized in that: It includes a bottom plate and a main body arranged on the top of the bottom plate, the main body includes a first positioning assembly and a second positioning assembly which are respectively arranged front and back and cooperate with each other, the first positioning assembly includes a first positioning unit and a second positioning unit which are respectively arranged left and right, and the second positioning assembly includes a third positioning unit and a fourth positioning unit which are respectively arranged front and back; The first positioning unit includes a first support frame fixed on the bottom plate, a first positioning cylinder fixed on the first support frame, a first pressing arm transversely fixed on the telescopic end of the first positioning cylinder, a second pressing arm transversely fixed on the end of the first pressing arm, and a pressing sleeve fixed on the lower side of the end of the second pressing arm, and the telescopic end of the first positioning cylinder is vertically arranged upward; The second positioning unit includes a second support frame fixed on the bottom plate and capable of adjusting the fixed position horizontally in the front, back, left and right directions, a first bracket fixed on the second support frame, a second positioning cylinder fixed on the second support frame and located below the first bracket, and a first positioning column vertically inserted in the first bracket and located below the pressing sleeve and cooperating with the pressing sleeve, wherein the telescopic end of the second positioning cylinder is vertically arranged upward and fixed to the lower end of the first positioning column; The third positioning unit includes a third support frame fixed on the bottom plate and capable of adjusting the fixed position horizontally in the front, back, left and right directions, two stop blocks respectively fixed on the left and right sides of the third support frame and capable of adjusting the fixed position vertically in the upper and lower directions, and a second positioning column fixed on the top of the third support frame and capable of adjusting the fixed position vertically in the upper and lower directions; The fourth positioning unit includes a fourth support frame fixed on the base plate and capable of adjusting the fixed position laterally forward, backward, left and right, a welding clamping cylinder vertically fixed on the fourth support frame, and a third pressure arm fixed on the swinging end of the welding clamping cylinder, wherein the swinging end of the welding clamping cylinder is arranged upward.

2. The limiting mechanism of the automobile coat rack assembly inspection fixture according to claim 1 is characterized in that: The second positioning assembly also includes a fifth positioning unit, which includes a fifth support frame fixed on the base plate and capable of adjusting the fixed position laterally forward, backward, left and right, and an orienting module obliquely arranged on the fifth support frame, the orienting module includes a second support block fixed on the fifth support frame, a third positioning cylinder fixed on the lower side of the second support block, a support seat fixed on the upper side of the second support block, and a third positioning column interspersed between the second support block and the support seat, the telescopic end of the third positioning column being inclined forward and upward and fixed to the lower end of the third positioning column.

3. The limiting mechanism of the automobile coat rack assembly inspection fixture according to claim 1 is characterized in that: A bending section is formed at the end of the third pressing arm facing forward and downward, and a detachable pressing block is fixed to the lower side of the bending section.

4. The limiting mechanism of the automobile coat rack assembly inspection fixture according to claim 3 is characterized in that: The tops of the two limit blocks are each formed with a side block symmetrically arranged upwards, and correspondingly, a gasket is fixed on both the left and right sides of the end of the bending section.

5. The limiting mechanism of the automobile coat rack assembly inspection fixture according to claim 1 is characterized in that: The first positioning unit also includes a lifting plate transversely fixed on the telescopic end of the first positioning cylinder and a movable plate transversely fixed on the lifting plate and capable of adjusting the fixed position transversely forward, backward, left and right. The root of the first pressing arm is fixed on the movable plate.

6. The limiting mechanism of the automobile coat rack assembly inspection fixture according to claim 1, characterized in that: A first step column is vertically arranged upwardly at the center of the upper end of the first positioning column, and a second step column is vertically arranged upwardly at the center of the end of the first step column and cooperates with the end of the pressing sleeve.

7. The limiting mechanism of the automobile coat rack assembly inspection fixture according to claim 1 is characterized in that: A third step column is vertically arranged upwardly at the center of the end of the second positioning column.

8. The limiting mechanism of the automobile coat rack assembly inspection fixture according to claim 2, characterized in that: A fourth step column is vertically arranged upward at the center of the upper end of the third positioning column and cooperates with the pressing block.

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