Adjustable riveting clamp structure

Abstract

The utility model belongs to the field of riveting clamps, and provides an adjustable riveting clamp structure, which comprises a tooling plate, an adjusting block, a positioning block, a positioning block, a positioning block and a positioning block, and is characterized in that the tooling plate is provided with adjusting blocks in the length direction; the first positioning mechanism and the second positioning mechanism are arranged on the tool plate and can reciprocate in the length direction of the tool plate, one end of the part is arranged in the first positioning mechanism, and the other end of the part can stretch into and abut against the second positioning mechanism; and a locking block is movably arranged on the second positioning mechanism and is movably clamped to the adjusting block so as to limit the distance between the second positioning mechanism and the first positioning mechanism. Compared with the prior art, the fixture structure has the advantages that the locking block and the adjusting block are matched in a clamping manner, so that the fixture structure can meet the riveting assembly requirements of parts with different lengths and sizes, the tool cost is reduced, the shutdown waiting time of a production line and the maintenance workload required in the later period are reduced, and the production efficiency is improved. The flexibility and adaptability of the production line are improved, and guarantee is provided for the overall production efficiency.

Description

TECHNICAL FIELD

[0001] The utility model belongs to riveting fixture field, concretely relates to adjustable riveting fixture structure. BACKGROUND

[0002] In the traditional part riveting assembly process, for different length size parts, the usual practice is to design and manufacture special tooling, which means that each specific length or specification of parts needs a set of individually designed fixture to ensure its positioning accuracy and operating precision in the riveting process. However, this method brings many inconveniences:

[0003] 1. High tooling cost: designing special tooling for each part means increasing a lot of design, production and storage cost. In addition, with the expansion or updating of product line, new tooling resources may also need to be continuously invested.

[0004] 2. Low production efficiency: each time the production task is changed, the corresponding tooling needs to be adjusted or replaced, which not only prolongs the preparation time, but also may cause the production line to stop waiting, affecting the overall production efficiency.

[0005] 3. Complex maintenance: due to the existence of multiple types of tooling, daily maintenance and maintenance become complex and time-consuming. Each tooling needs to be checked, cleaned and calibrated regularly to ensure its long-term stable operation. At the same time, when a fault occurs, the repair progress may also be delayed due to the lack of spare parts.

[0006] 4. Lack of flexibility: traditional fixed tooling is difficult to quickly respond to changes in market demand or the needs of new product development, limiting the enterprise's reaction speed to market changes. INVENTION CONTENT

[0007] In view of the above-mentioned deficiencies existing in the prior art, the technical problem to be solved by the utility model is to provide an adjustable riveting fixture structure which can effectively reduce tooling cost and significantly improve the flexibility and efficiency of production.

[0008] The utility model solves its technical problems by adopting the technical scheme of providing an adjustable riveting fixture structure for realizing riveting assembly of parts of different lengths, comprising: a tooling plate configured with an adjusting block in the length direction;

[0009] A first positioning mechanism and a second positioning mechanism are provided on the tooling plate and can reciprocate along the length direction of the tooling plate. One end of the part is placed in the first positioning mechanism, and the other end can extend into and abut against the second positioning mechanism. A locking block is movably provided on the second positioning mechanism, and the locking block is movably connected to the adjusting block to limit the distance between the second positioning mechanism and the first positioning mechanism.

[0010] When the locking block is disengaged from the adjusting block, the second positioning mechanism can be moved along the length direction of the tool plate relative to the adjusting block to adjust the distance between the second positioning mechanism and the first positioning mechanism.

[0011] In the adjustable riveting clamp structure, the adjusting block is provided with a plurality of continuous protrusions along the length direction thereof, and the bottom end of the locking block is formed with a locking protrusion which is movably connected to the protrusions.

[0012] In the adjustable riveting clamp structure, the first positioning mechanism and the second positioning mechanism each include:

[0013] A moving block is provided on the tool plate with a slide rail and a driving member, and the bottom wall of the moving block is symmetrically provided with a slide block which is movably connected to the slide rail, and the output end of the driving member is connected to the moving block on the first positioning mechanism.

[0014] A fixing seat is mounted on the moving block, and a U-shaped groove is formed in the fixing seat for placing the part.

[0015] In the adjustable riveting clamp structure, the locking block further includes an extension arm and a connecting arm, the extension arm extends out of the second positioning mechanism to drive the locking protrusion to disengage or connect to the protrusions, and the connecting arm is movably connected to the second positioning mechanism to limit the rotation direction of the extension arm.

[0016] In the adjustable riveting clamp structure, the second positioning mechanism further includes a mounting seat, a connecting shaft is provided in the mounting seat, a connecting hole is formed in the connecting arm, and the connecting shaft penetrates through and is connected to the connecting hole.

[0017] In the adjustable riveting clamp structure, the bottom end of the mounting seat extends a positioning portion, a positioning pin is mounted on the positioning portion, a waist-shaped groove is formed in the bottom wall of the connecting arm, and the positioning pin is movably inserted into the waist-shaped groove.

[0018] In the adjustable riveting clamp structure, the top end of the fixing seat further forms symmetrically arranged extension blocks which are located at the top openings of the U-shaped grooves to prevent the parts from disengaging out of the fixing seat.

[0019] In the adjustable riveting clamp structure, a resilient member is further connected between the connecting arm and the positioning portion.

[0020] In the adjustable riveting clamp structure, a clearance groove is further formed between the extension arm and the connecting arm, one side of the clearance groove is formed with a circular arc transition surface, and the other side is formed with a clearance inclined surface.

[0021] In the adjustable riveting clamp structure, a clearance groove is further formed between the extension arm and the connecting arm, one side of the clearance groove is formed with a circular arc transition surface, and the other side is formed with a clearance inclined surface.

[0022] Compared with the prior art, the adjustable riveting clamp structure has the following beneficial effects:

[0023] (1) The adjustable riveting clamp structure of the utility model can adapt to the riveting assembly requirements of parts of different lengths and sizes through the clamping cooperation of the locking block and the adjusting block, without the need to design a single tooling for each length of parts, thereby reducing the tooling cost, reducing the production line downtime waiting time and the required maintenance workload in the later period, greatly improving the flexibility and adaptability of the production line, and providing protection for the overall production efficiency.

[0024] (2) The positioning pin is inserted into the waist-shaped hole, which can guide and avoid the rotating direction of the locking tooth when the locking tooth is disengaged from the convex tooth, and limit the maximum disengagement distance of the locking tooth relative to the convex tooth, thereby avoiding the influence of the overall operation efficiency due to the existence of a large amount of idle stroke during the reset clamping process.

[0025] (3) The design of the elastic member can always maintain a certain locking force between the locking tooth and the convex tooth after determining the positions of the two fixed seats, thereby greatly ensuring the stability of the clamp structure when clamping the parts. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a perspective view of the utility model;

[0027] Figure 2 is a schematic view of the installation structure of the first positioning mechanism on the tooling plate;

[0028] Figure 3 is an exploded view of the moving block, the mounting seat and the locking block;

[0029] Figure 4 is a schematic view of the structure of the locking block.

[0030] In the drawing, 1 is a tooling plate; 10 is an adjusting block; 100 is a convex tooth; 11 is a sliding rail; 12 is a driving member;

[0031] 2 is a first positioning mechanism;

[0032] 3, second positioning mechanism; 30, locking block; 300, locking tooth; 301, extension arm; 302, connecting arm; 302a, connecting hole; 302b, waist-shaped groove; 31, mounting seat; 310, connecting shaft; 311, positioning part; 312, positioning pin; 32, elastic member; 330, let-position recess; 330a, circular arc transition surface; 330b, let-position inclined surface;

[0033] 40, moving block; 400, guide groove; 41, sliding block; 42, fixed seat; 420, U-shaped groove; 421, extension block; 43, anti-dropping block. DETAILED DESCRIPTION

[0034] The following is a specific embodiment of the present application and in conjunction with the drawings, the technical solutions of the present application are further described, but the present application is not limited to these embodiments.

[0035] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), if the certain posture changes, the directional indications also change accordingly.

[0036] As Figures 1 to 4 shown, the utility model discloses an adjustable riveting clamp structure for realizing the riveting assembly of different length parts, comprising: a tool plate 1, which is provided with an adjusting block 10 in the length direction; a first positioning mechanism 2 and a second positioning mechanism 3, which are arranged on the tool plate 1 and can reciprocate along the length direction of the tool plate 1, one end of the part is placed in the first positioning mechanism 2, and the other end can extend into and abut against the second positioning mechanism 3; a locking block 30 movably arranged on the second positioning mechanism 3, the locking block 30 movably connected to the adjusting block 10 to limit the distance between the second positioning mechanism 3 and the first positioning mechanism 2; when the locking block 30 is separated from the adjusting block 10, the second positioning mechanism 3 can move relative to the adjusting block 10 along the length direction of the tool plate 1 to adjust the distance between the second positioning mechanism 3 and the first positioning mechanism 2.

[0037] The clamp structure in the embodiment can complete the required riveting assembly process for parts of different lengths, specifically, as Figures 1 to 4As shown, before placing and fixing the part to be riveted, one end of the part can be placed in the first positioning mechanism 2 to ensure its stability; at this time, the second positioning mechanism 3 can adjust its position relative to the first positioning mechanism 2 according to the actual length of the part. First, the worker can rotate and lift the locking block 30 relative to the tool plate 1 to make it disengage from the clamping state of the adjusting block 10, and then allow the second positioning mechanism 3 to move along the length direction of the tool plate 1 relative to the adjusting block 10. When the distance between the second positioning mechanism 3 and the first positioning mechanism 2 is suitable for the length requirement of the part to be riveted, the locking block 30 can be released and fixed to the appropriate adjusting block 10 position to ensure that the first positioning mechanism 2 and the second positioning mechanism 3 can complete the stable fixation of the part. As can be seen, for each different length of the part, only the position of the second positioning mechanism 3 needs to be adjusted according to the above steps to quickly switch from one specification to another without the need to replace the entire fixture or design a new tool. This adjustable riveting fixture structure can quickly adapt to parts of various lengths and sizes without changing the basic structure, greatly improving the flexibility and response speed of the production line, reducing the need to design and manufacture special tools for each specific length of the part, and reducing the design, production and inventory management costs of the tool.

[0038] The adjusting block 10 is arrayed with a plurality of continuous protrusions 100 along its length direction, and the bottom end of the locking block 30 is formed with a locking tooth 300 which is movably clamped on the protrusion 100.

[0039] Preferably, as shown in Figure 1 , Figure 3 and Figure 4 , the protrusions 100 in the embodiment are connected and arranged along the length direction of the tool plate 1, so that stepless adjustment can be achieved in a larger range to meet the requirements of various lengths and sizes. It is also because the mechanical interlocking structure is formed between the protrusions 100 and the locking teeth 300 that good stability can be maintained when a large external force (such as impact force during riveting) is applied, effectively preventing accidental movement of the second positioning mechanism 3 and ensuring the consistency of riveting quality. In addition, the structure is relatively simple as a whole, which is convenient for users to operate, effectively reduces the non-production time and improves the work efficiency.

[0040] Further preferably, the protrusions 100 and the locking teeth 300 in the embodiment are both inclinedly arranged in the same direction, and as a result, with the close meshing between the protrusions 100 and the locking teeth 300, the stability of the second positioning mechanism 3 at the required position can be ensured even in a high-pressure or vibration environment.

[0041] The locking block 30 further comprises an extension arm 301 and a connecting arm 302. The extension arm 301 extends out of the second positioning mechanism 3 to drive the locking teeth 300 to disengage or engage the convex teeth 100. The connecting arm 302 is movably connected to the second positioning mechanism 3 to limit the rotation direction of the extension arm 301.

[0042] As shown in Figure 3 and Figure 4 , the extension arm 301 in the embodiment is exposed outside the overall structure of the second positioning mechanism 3. This design allows the operator to directly control the action of the locking block 30 through external operation, simplifying the locking and unlocking process, reducing the operation difficulty, and improving the work efficiency. At the same time, the connecting arm 302 is movably connected inside the second positioning mechanism 3, thereby limiting the distance when the extension arm 301 drives the locking teeth 300 to disengage the convex teeth 100, ensuring that the locking block 30 can accurately engage or disengage the convex teeth 100 according to the predetermined path, thereby achieving more precise position adjustment, effectively avoiding unnecessary rotation or deviation of the locking block 30 during operation, ensuring the stability in the locked state, improving the assembly precision, and ensuring the consistency of the riveting quality.

[0043] Preferably, the second positioning mechanism 3 in the embodiment further comprises a mounting seat 31. The mounting seat 31 is provided with a connecting shaft 310, and the connecting arm 302 is formed with a connecting hole 302a. The connecting shaft 310 penetrates and connects to the connecting hole 302a. The design of the connecting shaft 310 penetrating the connecting hole 302a ensures the stable connection between the locking block 30 and the second positioning mechanism 3, and limits the rotation path of the locking block 30 by the connecting shaft 310, so that the locking block 30 can more accurately engage or disengage the convex teeth 100 during operation. Moreover, compared with the traditional bolt or other fixing methods, the design of the connecting shaft 310 and the connecting hole 302a reduces the number of moving parts, reduces the possibility of wear and tear, simplifies daily maintenance work, and prolongs the service life of the equipment.

[0044] Further preferably, the embodiment further extends a positioning part 311 at the bottom end of the mounting seat 31. The positioning part 311 is provided with a positioning pin 312, and the bottom wall of the connecting arm 302 is provided with a waist-shaped groove 302b. The positioning pin 312 is movably inserted into the waist-shaped groove 302b. Figure 3 and Figure 4As shown, when the worker lifts the extension arm 301 to rotate around the connecting shaft 310, the connecting arm 302 gradually approaches the positioning pin 312 around the connecting shaft 310, and through the active cooperation of the waist-shaped groove 302b and the positioning pin 312, it is ensured that the connecting arm 302 can slide along the predetermined path during operation, effectively preventing the accuracy and stability of the meshing of the locking teeth 300 and the convex teeth 100 from being affected by accidental lateral deviation. Moreover, the waist-shaped groove 302b effectively avoids positional interference between the connecting arm 302 and the positioning pin 312 during rotation, and at the same time, the rotation angle of the connecting arm 302 is limited by the positioning pin 312, preventing the overall production rhythm from being prolonged due to excessive idle stroke during the resetting process of the extension arm 301 driving the locking teeth 300.

[0045] Further preferably, as shown in Figure 3 In this embodiment, a resilient member 32 is connected between the connecting arm 302 and the positioning portion 311. During the process of the extension arm 301 driving the locking teeth 300 to disengage from the convex teeth 100, the connecting arm 302 will inevitably rotate synchronously with the extension arm 301 and gradually approach the positioning portion 311. In this process, the connecting arm 302 gradually presses the resilient member 32, that is, during this adjustment process, the resilient member 32 is always in a compressed state. After the second positioning mechanism 3 is adjusted to the required position, the elastic resetting action of the resilient member 32 can help the locking block 30 to be re-coupled into the convex teeth 100 and provide appropriate pre-tightening force when it is re-coupled, ensuring smooth and stable operation. It should be noted that the resilient member 32 in this embodiment can be replaced by other elastic devices such as compression springs and return springs.

[0046] The extension arm 301 and the connecting arm 302 also form a let-out groove 330. One side of the let-out groove 330 forms a circular arc transition surface 330a, and the other side forms a let-out inclined surface 330b.

[0047] Further preferably, as shown in Figure 3 and Figure 4 The design of the let-out groove 330 allows the extension arm 301 and the connecting arm 302 to be distributed on both sides of the locking teeth 300, thereby providing sufficient operating space for the worker to operate the extension arm 301 to control the meshing or disengagement of the locking teeth 300 and the convex teeth 100. Moreover, the design of the circular arc transition surface 330a ensures smooth transition of the locking block 30 during rotation, reduces friction, and improves the accuracy of the locking block 30 during coupling and disengagement. The let-out inclined surface 330b effectively prevents mutual interference between parts, thereby improving the stability of the overall structure.

[0048] The first positioning mechanism 2 and the second positioning mechanism 3 each comprise a moving block 40, the tool plate 1 is provided with a sliding rail 11 and a driving member 12, the bottom wall of the moving block 40 is symmetrically provided with a sliding block 41, the sliding block 41 is movably connected to the sliding rail 11, and the output end of the driving member 12 is connected to the moving block 40 on the first positioning mechanism 2; a fixed seat 42 is installed on the moving block 40, and the fixed seat 42 is formed with a U-shaped groove 420, and the U-shaped groove 420 can be used to place parts.

[0049] As shown in Figures 1 to 2 the fixed seat 42 on the first positioning mechanism 2 and the fixed seat 42 on the second positioning mechanism 3 can both realize adjustment of the position relative to the tool plate 1, and the difference is that the first positioning mechanism 2 mainly performs fine adjustment, that is, the moving block 40 is pushed to move along the length direction of the guide rail through the output end of the driving member 12, so that the adjustment of the reference of the upper fixed seat 42 on the first positioning mechanism 2 is completed, and in this process, the sliding block 41 is movably connected to the sliding rail 11, so that the moving block 40 can stably move along the predetermined path, and even in a high-pressure or vibration environment, good stability can be maintained, and the consistency of the riveting quality is ensured; as for the second positioning mechanism 3, after the above-mentioned locking teeth 300 are separated from the protruding teeth 100, the worker can pull the entire second positioning mechanism 3 to move along the length direction of the guide rail, and after reaching the predetermined position, the locking teeth 300 can be locked in the corresponding protruding teeth 100 by relying on the elastic member 32, so that the stability between the two fixed seats 42 is ensured, and in combination with the design of the U-shaped groove 420, the parts to be riveted can be accurately positioned and assembled in the two adjusted fixed seats 42, and the flexibility and required assembly precision during assembly are improved. Preferably, as shown in Figure 3 the bottom of the moving block 40 is formed with a guide groove 400, and in the second positioning mechanism 3, the connecting arm 302 is movably arranged in the guide groove 400, and the guide groove 400 plays a guiding and limiting effect when the connecting arm 302 rotates around the connecting shaft 310, further improving the accuracy and stability of the active engagement between the locking teeth 300 and the protruding teeth 100.

[0050] Preferably, the top end of the fixed seat 42 is further formed with symmetrically arranged extension blocks 421, and the extension blocks 421 are located at the top opening of the U-shaped groove 420, so as to prevent the parts from falling out of the fixed seat 42. The extension blocks 421 narrow the opening part of the U-shaped groove 420, preventing the parts from accidentally falling off due to vibration or other external forces during operation, protecting the safety of the operator, and further improving the stability of the entire riveting process.

[0051] Further preferably, the side wall of the fixing seat 42 is further connected with a anti-falling block 43 located at the side end opening of the U-shaped groove 420 to limit the parts in the two fixing seats 42. As can be seen, in addition to the above-mentioned extension block 421 limiting the parts from falling off from the top end opening of the U-shaped groove, the anti-falling block 43 is arranged at the side end opening of the U-shaped groove 420 in the embodiment, which effectively prevents the parts from sliding out of the side opening of the U-shaped groove 420 in the length direction during operation, and at the same time ensures the safety of the operator, and also has a positioning effect on the assembly of the parts, further simplifies the operation process and difficulty, and improves the tool efficiency.

[0052] It should be noted that the driving member 12 in the embodiment can be replaced by other driving devices such as hydraulic drive and cylinder drive.

[0053] It should be noted that the descriptions such as "first", "second", "one" and the like in the present application are only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the technical features indicated or the number of the technical features indicated. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited. The terms "connection", "fixing" and the like should be understood in a broad sense, for example, "fixing" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through an intermediate medium; can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise specifically limited. 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.

[0054] In addition, the technical solutions of various embodiments of the present application can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection required by the present application.

[0055] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but without departing from the spirit of the present application or exceeding the scope defined by the appended claims.

Claims

1. An adjustable riveting clamp structure for riveting assembly of parts of different lengths, characterized in that, include: The tooling plate is equipped with adjusting blocks in the length direction; The first positioning mechanism and the second positioning mechanism are disposed on the tooling plate and can both reciprocate along the length of the tooling plate. One end of the part is placed in the first positioning mechanism and the other end can extend into and abut against the second positioning mechanism. A locking block is movably disposed on the second positioning mechanism and the locking block is movably engaged with the adjusting block to limit the distance between the second positioning mechanism and the first positioning mechanism. When the locking block disengages from the adjusting block, the second positioning mechanism can move relative to the adjusting block along the length direction of the tooling plate to adjust the distance between the second positioning mechanism and the first positioning mechanism.

2. The adjustable riveting clamp structure according to claim 1, characterized in that, The adjusting block has several continuous protruding teeth arranged in an array along its length direction, and the bottom end of the locking block has a locking tooth that is movably engaged with the protruding teeth.

3. The adjustable riveting clamp structure according to claim 1, characterized in that, Both the first positioning mechanism and the second positioning mechanism include: The movable block is provided with a slide rail and a driving component on the tooling plate. The bottom wall of the movable block is symmetrically provided with sliders, which are movably engaged with the slide rail. The output end of the driving component is connected to the movable block on the first positioning mechanism. A fixed base is installed on the movable block, and a U-shaped groove is formed in the fixed base for placing the part.

4. The adjustable riveting clamp structure according to claim 2, characterized in that, The locking block also includes an extension arm and a connecting arm. The extension arm extends out of the second positioning mechanism to drive the locking teeth to disengage from or engage with the protruding teeth. The connecting arm is movably connected to the second positioning mechanism to limit the rotation direction of the extension arm.

5. The adjustable riveting clamp structure according to claim 4, characterized in that, The second positioning mechanism further includes a mounting base, in which a connecting shaft is provided, and a connecting hole is formed on the connecting arm, through which the connecting shaft is connected.

6. The adjustable riveting clamp structure according to claim 5, characterized in that, The bottom end of the mounting base extends to a positioning part, on which a positioning pin is installed. The bottom wall of the connecting arm has a waist-shaped groove, and the positioning pin is movably inserted into the waist-shaped groove.

7. The adjustable riveting clamp structure according to claim 3, characterized in that, The top of the fixing base also has symmetrically arranged extension blocks, which are located at the top opening of the U-shaped groove to prevent the part from falling out of the fixing base.

8. The adjustable riveting clamp structure according to claim 6, characterized in that, An elastic element is also connected between the connecting arm and the positioning part.

9. The adjustable riveting clamp structure according to claim 5, characterized in that, A clearance groove is also formed between the extension arm and the connecting arm. One side of the clearance groove has an arc transition surface, and the other side has a clearance slope.

10. The adjustable riveting clamp structure according to claim 3, characterized in that, The side wall of the fixing seat is also connected to an anti-detachment block, which is located at the side opening of the U-shaped groove to confine the part within the two fixing seats.

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