A tearing apparatus for weld strength testing

Abstract

The application discloses a tearing device for welding strength detection, which comprises a rack, wherein the rack is provided with a first layer and a second layer, the first layer is located below the second layer, the first layer is provided with a driving element and a transmission shaft, the driving element is arranged on the first layer and is in driving connection with the transmission shaft, two chains are arranged at the two ends of the transmission shaft respectively, the chains pass through the second layer and are connected with two chain wheels arranged on the second layer, and the two chain wheels on the same side are in triangular distribution with the transmission shaft; a product positioning structure is arranged on the second layer, one side of the product positioning structure is provided with a cross bar, the two ends of the cross bar are connected with the two chains respectively and can move synchronously with the chains, a hook is arranged on the cross bar, the product positioning structure is used for placing a product to be detected, the product to be detected comprises a frame and a back plate connected by welding, the hook is used for hanging the back plate, and the product positioning structure is used for fixing the frame. The tearing device can separate the back plate from the frame, so that the welding strength detection can be realized subsequently.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tearing, in particular to a tearing device for welding strength detection. BACKGROUND

[0002] In the production of a seat, a back plate and a frame are connected by welding, and the product to be detected includes the back plate and the frame. In order to detect whether the welding strength between the back plate and the frame of the product to be detected is qualified, the welded back plate and frame can be torn, and then the tearing condition is observed to detect whether the welding strength between the back plate and the frame is qualified. SUMMARY

[0003] In view of the above problems in the prior art, the present application aims to provide a tearing device for welding strength detection.

[0004] The specific technical solutions are as follows:

[0005] A tearing device for welding strength detection mainly comprises a rack.

[0006] The rack has a first layer and a second layer, the first layer is below the second layer, the first layer is provided with a driving member and a transmission shaft, the driving member is arranged on the first layer and is drivingly connected with the transmission shaft, two ends of the transmission shaft are each provided with a chain, the chain passes through the second layer and is connected with two chain wheels arranged on the second layer, and the two chain wheels on the same side are in triangular distribution with the transmission shaft.

[0007] A product positioning structure is arranged on the second layer, one side of the product positioning structure is provided with a horizontal rod, two ends of the horizontal rod are respectively connected with two chains and can move synchronously with the chains, a hook is arranged on the horizontal rod, the product positioning structure can place a product to be detected, the product to be detected includes a frame and a back plate connected by welding, the hook is used to hang the back plate, and the product positioning structure is used to fix the frame.

[0008] The tearing device for welding strength detection described above further has the following features: a tensioning structure for tensioning the chain is further included, the tensioning structure comprises a tensioning wheel, a vertical plate, an inclined plate and a mounting plate, the vertical plate is arranged on the first layer, one end of the inclined plate is connected with the upper end of the vertical plate, the other end of the inclined plate is connected with one side of a cover arranged below the second layer, an elongated slot is arranged on the inclined plate, the tensioning wheel has a central shaft, one end of the central shaft is arranged in the elongated slot and can slide in the elongated slot, and the other end of the central shaft is connected with the other side of the cover.

[0009] The tear device for welding strength detection has the characteristics that the product positioning structure comprises a plurality of transverse insertion shafts and a plurality of vertical columns arranged on the second layer, the insertion shafts are matched with the transverse insertion holes on the frame, and the vertical columns are used for supporting the product to be detected.

[0010] The tear device for welding strength detection has the characteristics that a sensor is arranged near each chain wheel, each sensor is electrically connected with a controller, the sensor is used for sensing the cross rod, and the controller receives the signal of the sensor and controls the rotating direction of the output end of the driving member.

[0011] The tear device for welding strength detection has the characteristics that the hook is matched with the groove or hole on the back plate.

[0012] The tear device for welding strength detection has the characteristics that the hook is matched with the groove or hole on the back plate.

[0013] The tear device for welding strength detection has the characteristics that the driving member is a motor, and the motor is connected with the transmission shaft through a steering gear set.

[0014] The tear device for welding strength detection has the characteristics that the first layer further places a plurality of different types of spare product positioning structures.

[0015] The technical scheme has the following advantages:

[0016] The tear device for welding strength detection fixes the frame of the product to be detected, hooks the hook arranged on the cross rod connected with the chain to one side of the back plate, and moves along with the chain, so that the back plate and the frame are torn and separated in the moving process, and the welding strength detection is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The first direction structure diagram of the tear device for welding strength detection is provided.

[0018] Figure 2 The second direction structure diagram of the tear device for welding strength detection is provided.

[0019] Figure 3 The third direction structure diagram of the tear device for welding strength detection is provided.

[0020] Figure 4 The third direction structure diagram of the tear device for welding strength detection is provided. Figure 1Partial structure schematic view of the tearing equipment for welding strength detection in the welding strength detection device;

[0021] Figure 5 First direction structure schematic view of the product positioning structure placing the product to be tested provided by the present application;

[0022] Figure 6 Second direction structure schematic view of the product positioning structure placing the product to be tested provided by the present application.

[0023] In the drawings: 1, rack; 11, first layer; 12, second layer; 131, vertical plate; 132, inclined plate; 1321, long slot; 133, adjusting plate; 134, mounting block; 135, adjusting piece; 14, bearing seat; 2, driving piece; 3, transmission shaft; 4, chain; 41, tensioning wheel; 411, fastener; 47, L-shaped plate; 5, chain wheel; 6, product positioning structure; 7, cross rod; 8, hook; 9, insertion shaft; 91, vertical base; 10, stand column; 20, sensor; 30, roller; 100, product to be tested; 110, frame; 120, back plate. DETAILED DESCRIPTION

[0024] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] In the description of the present application, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like appear, the indicated orientation or positional relationship 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 therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, if the terms "first", "second", "third" appear, they are only for description purposes and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, if the terms "mounting", "connecting", "connection" appear, they should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] Please refer to Figures 1 to 6 , show a preferred embodiment, show a welding strength detection tear equipment, comprising: rack 1;

[0028] Rack 1 has a first layer 11 and a second layer 12, the first layer 11 is located below the second layer 12, the first layer 11 is provided with a driving member 2 and a transmission shaft 3, the driving member 2 is arranged on the first layer 11 and is drivingly connected with the transmission shaft 3, both ends of the transmission shaft 3 are provided with a chain 4, the chain 4 passes through the second layer 12 and is connected with two chain wheels 5 located on the second layer 12, the two chain wheels 5 on the same side are triangularly distributed with the transmission shaft 3;

[0029] Specifically, the rack 1 is a frame structure, which can be adopted in the prior art and will not be described here.

[0030] Optionally, the driving member 2 is a motor, and the motor is drivingly connected with the transmission shaft 3 through a steering gear set (not shown in the figure). Preferably, in order to realize the stability of the transmission shaft 3, a plurality of bearing seats 14 are arranged at both ends of the transmission shaft 3, and the bearing seats 14 are used for supporting the transmission shaft 3. For example, in the embodiment, four bearing seats 14 are arranged, two at each end of the transmission shaft 3, and the two ends of the transmission shaft 3 are symmetrically arranged, so that the two ends of the transmission shaft 3 are horizontal and can rotate smoothly to realize transmission. Optionally, the transmission shaft 3 can be arranged as a long shaft or can be arranged by connecting two symmetrical short shafts.

[0031] Specifically, both ends of the transmission shaft 3 are provided with a structure capable of assembling the chain 4, which can be a chain wheel 5 but is not limited to the chain wheel 5, so as to realize the connection between the transmission shaft 3 and the chain 4. The chain wheel 5 referred to below is located on the second layer 12. The two chain wheels 5 on the same side are triangularly arranged with the transmission shaft 3, so that the shape of the chain 4 being opened is triangular. Optionally, the center shaft of the chain wheel 5 is arranged on the second layer 12 through a bearing seat 14, for example, the bearing seat 14 is arranged on the second layer 12, one end of the center shaft is movably arranged in the bearing hole of the bearing seat 14, and the other end is sleeved with the chain wheel 5.

[0032] Preferably, the two chains 4 are arranged side by side, and the center shafts of the two chain wheels 5 are arranged in line, and the axis of the transmission shaft 3 is parallel to the axes of all the center shafts of the chain wheels 5.

[0033] Optionally, in the embodiment, the two chain wheels 5 on the same side located on the second layer 12 are arranged at the same height, but in other embodiments, the two chain wheels 5 on the same side located on the second layer 12 can be arranged at different heights.

[0034] Further, in order to realize smooth running of the chain 4, in the present embodiment, a tensioning structure for tensioning the chain 4 is further included, the tensioning structure including a tensioning wheel 41, a vertical plate 131, an inclined plate 132 and an adjusting plate 133, the vertical plate 131 being arranged on the first layer 11, the inclined plate 132 being connected with the upper end of the vertical plate 131 at one end, the other end of the inclined plate 132 being connected with a cover (not shown in the figure) arranged below the second layer 12 of the rack 1, wherein the cover is basically in the shape of a triangular box and is used for covering the chain wheel 5 and the chain 4, the inclined plate 132 is provided with an elongated slot 1321, the adjusting plate 133 is arranged in the same direction as the inclined plate 132 and is inclined, the inclined plate 132 is inclined towards the chain 4 and is used for pressing the chain 4, the adjusting plate 133 is adjustably arranged with the inclined plate 132 through a fastener 411, the fastener 411 passes through the elongated slot 1321 and is coaxially connected with the central shaft of the tensioning wheel 41 itself, the fastener 411 slides in the elongated slot 1321 to adjust the central position of the tensioning wheel 41, or the central shaft of the tensioning wheel 41 can be arranged to pass through the elongated slot 1321 and slide in the elongated slot 1321, the other end of the central shaft being connected with the other side of the cover. The adjusting plate 133 is provided with a mounting hole, which is a circular hole, and the circular hole can be aligned with the elongated slot 1321. Preferably, in order to facilitate adjustment of the position of the adjusting plate 133, the end of the adjusting plate 133 is provided with an adjusting piece 135, and the inclined plate 132 is provided with a mounting block 134, the adjusting piece 135 passes through the mounting block 134 and is connected with the adjusting plate 133, and the adjusting piece 135 is threadedly connected with the mounting block 134. In this way, the position of the tensioning wheel 41 can be adjusted to press the chain 4, thereby achieving the tensioning effect. Since the chain 4 will be loose after long-term use, the tensioning effect of the tensioning structure can keep the chain 4 in a tensioned state. Preferably, in order to increase the adjustability, the vertical plate 131 and the inclined plate 132 are arranged as plate structures with adjustable lengths, for example, a plurality of groups of mounting holes can be used for adjustment or the structure of the elongated slot as mentioned above can be used for adjustment, which will not be described here. The mounting plate 133 and the inclined plate 132 are further adjustably connected through the elongated slot arranged on the mounting plate 133.

[0035] The second layer 12 is provided with a product positioning structure 6, one side of the product positioning structure 6 being provided with a crossbar 7, both ends of the crossbar 7 being connected with two chains respectively and being capable of moving synchronously with the chain 4, the crossbar 7 being provided with a hook 8, and the product positioning structure 6 being capable of placing a product to be tested therein, wherein the product to be tested 100 includes a frame 110 and a back plate 120 connected by welding, and the hook 8 is used for hanging the back plate 120, and the product positioning structure 6 is used for fixing the frame 110.

[0036] Specifically, in the embodiment, the product positioning structure 6 comprises a plurality of horizontal insertion shafts 9 and a plurality of vertical columns 10, which are arranged on the second layer 12, the insertion shafts 9 are matched with the horizontal insertion holes on the frame 110, and the vertical columns 10 are used to support the product 100, specifically, the vertical columns 10 are used to support the backboard 120.

[0037] In an alternative embodiment, the turning of the chain 4 can be realized by controlling the motor to output the swinging movement. In an alternative embodiment, a sensor 20 is arranged near each chain wheel 5, each sensor 20 is electrically connected with a controller (not shown in the figure), and the sensor 20 is used to sense the horizontal rod 7, the controller receives the signal of the sensor 20 and controls the turning direction of the output end of the driving member 2. Alternatively, the sensor 20 can be a proximity switch, an infrared sensor or other types of sensors, which are only listed here and are not used to limit the present application. Alternatively, the horizontal rod 7 is connected with the chain 4 through the L-shaped plate 47.

[0038] Specifically, the hooks 8 are matched with the grooves or holes on the backboard 120.

[0039] Preferably, in the embodiment, the hooks 8 are provided with a plurality of hooks and can slide on the horizontal rod 7. This arrangement makes the hooks 8 meet a plurality of different types of backboards 120.

[0040] Preferably, in the embodiment, the horizontal insertion shafts 9 of the product positioning structure 6 are also provided with a plurality of horizontal insertion shafts 9 and are arranged to be detachable, so that the product positioning structure 6 can meet the fixing of a plurality of different types of frames 110. Specifically, in the embodiment, the horizontal insertion shafts 9 are arranged on the vertical base 91, and the vertical base 91 is arranged to be detachable with the second layer 12. In an embodiment, the vertical base 91 is arranged to slide on the second layer 12, for example, the sliding connection between the vertical base 91 and the second layer 12 can be realized through a sliding block and a sliding rail structure. Preferably, the shape of the horizontal insertion shaft 9 is matched with the shape of the insertion hole or insertion slot on the frame 110. Alternatively, in the embodiment, the vertical base 91 is also arranged in other places, for example, it can be arranged below the chain 4 on the second layer 12, below the sensor 20, below the bearing seat 14 on the second layer 12, below the bearing seat 14 on the first layer 11, mainly to support the structures arranged above.

[0041] Further, the first layer 11 also places a plurality of different types of spare product positioning structures 6. The first layer 11 is also provided with a plurality of tool boxes for placing tools.

[0042] Further, the lower end of the rack 1 is provided with a rolling wheel 30 to realize the movement of the whole device. Further, the lower end of the rack 1 is provided with a rolling wheel 30 to realize the movement of the whole device.

[0043] The welding strength detection tearing device provided by the present application fixes the frame 110 of the product 100 to be detected, and the hook 8 arranged on the cross rod 7 connected with the chain 4 is hung on one side of the back plate 120 and moves along with the chain 4. In the moving process, the back plate 110 is torn and separated from the frame 120, so as to realize the detection of the subsequent welding strength.

[0044] The above is only the preferred embodiment of the present application, and does not limit the implementation and protection scope of the present application. It should be realized by those skilled in the art that any equivalent replacement and obvious change obtained by applying the content of the present application should be included in the protection scope of the present application.

Claims

1. A tearing device for testing welding strength, characterized in that, include: frame; The frame has a first layer and a second layer. The first layer is located below the second layer. The first layer is provided with a drive component and a transmission shaft. The drive component is located on the first layer and is drivenly connected to the transmission shaft. A chain is provided at each end of the transmission shaft. The chain passes through the second layer and is connected to two sprockets located on the second layer. The two sprockets on the same side are triangularly distributed with the transmission shaft. The second layer is provided with a product positioning structure. A crossbar is provided on one side of the product positioning structure. The two ends of the crossbar are respectively connected to the two chains and can move synchronously with the chains. A hook is provided on the crossbar. The product to be tested can be placed inside the product positioning structure. The product to be tested includes a welded frame and a back plate. The hook is used to hang the back plate. The product positioning structure is used to fix the frame. The hooks are provided in several parts and can slide on the crossbar; The first layer also contains several spare product positioning structures of different varieties and models.

2. The tearing device for welding strength testing according to claim 1, characterized in that, It also includes a tensioning structure for tensioning the chain, the tensioning structure including a tensioning wheel, a vertical plate, an inclined plate and a mounting plate, the vertical plate being disposed in the first layer, one end of the inclined plate being connected to the upper end of the vertical plate, the other end of the inclined plate being connected to one side of a cover disposed below the second layer, the inclined plate being provided with an elongated groove, the tensioning wheel having a central shaft, one end of the central shaft passing through the elongated groove and being able to slide within the elongated groove, the other end of the central shaft being connected to the other side of the cover.

3. The tearing device for testing welding strength according to claim 2, characterized in that, The product positioning structure includes several horizontal insertion shafts and several uprights disposed on the second layer. The insertion shafts are adapted to the horizontal insertion holes on the frame, and the uprights are used to support the product to be tested.

4. The tearing device for testing welding strength according to claim 3, characterized in that, A sensor is placed near each of the chain wheels, and each sensor is electrically connected to the controller. The sensor is used to sense the crossbar, and the controller receives the signal from the sensor and controls the rotation direction of the output end of the drive unit.

5. The tearing apparatus for testing weld strength according to any one of claims 1 to 4, characterized in that, The hook is adapted to the groove or hole that is present on the back plate itself.

6. The tearing apparatus for testing weld strength according to any one of claims 1 to 4, characterized in that, The driving component is a motor, and the motor is connected to the transmission shaft via a steering gear set.

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