Cover plate clamping and fixing mechanism

Abstract

The utility model relates to the technical field of cover plate machining, and discloses a cover plate clamping and fixing mechanism which comprises an operation table, the two sides, away from each other, of the top of the operation table are connected with fixing plates used for limiting a cover plate in a sliding mode, and the tops of the fixing plates are provided with clamping assemblies used for longitudinally clamping the cover plate; sliding grooves are formed in the two sides, close to each other, of the top of the operation table, rotating rods are rotationally connected to the two sides, away from each other, of inner cavities of the sliding grooves, one ends of the rotating rods penetrate through the side walls of the sliding grooves and extend to one side of the operation table, and first gears are fixedly connected to the two sides, away from each other, of the outer side walls of the rotating rods. A second gear is fixedly connected to the side, away from the operation table, of the outer side wall of the rotating rod. According to the scheme, a pneumatic, hydraulic or electric mode can be avoided, the cover plate is clamped, the use cost is reduced, the practicability of the clamping and fixing mechanism is improved, the cover plate is conveniently clamped and fixed, and use is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of cover plate processing, in particular to a cover plate clamping and fixing mechanism. Background Art

[0002] Automobile cover panels usually refer to automobile parts that constitute the automobile body or cab, and cover the special-shaped surface and interior of the engine and chassis. Their main functions include protecting the engine and its surrounding pipeline accessories from adverse effects such as impact, corrosion, rain, and electrical interference; reducing the impact of airflow on the car and improving driving stability; as part of the vehicle's appearance, they enhance the visual effect and reflect the overall automobile concept; during the current processing of automobile cover panels, the cover panels are usually limited by a clamping and fixing mechanism to facilitate welding and punching operations.

[0003] The utility model patent with patent application publication number 201920437653.4 discloses a welding positioning and clamping mechanism for an automobile cover plate, which relates to the field of welding technology; a fixed plate, a working plate and a movable plate are sequentially arranged on the upper surface of the slide along its length direction, a baffle is arranged on one side of the working plate, the movable plate and the fixed plate are both located in the same horizontal plane with the baffle, a connecting plate is fixedly connected to the side of the movable plate facing the working plate, and the connecting plate and the working plate are located in the same horizontal plane; the movable plate and the fixed plate are both provided with the same clamp, both side ends of the fixed plate are provided with sinking grooves, and the bottom of the sinking groove is provided with an electromagnetic disk, one end of the sinking rod is fixedly connected to a clamping rod, and the other end is slidably plugged with the sinking groove, one end of the spring sleeved on the sinking rod is fixedly connected to the fixed plate, and the other end is fixedly connected to the clamping rod; the structure is simple, easy to move, and easy to disassemble.

[0004] According to the above mechanism, the current positioning and clamping mechanisms mostly use pneumatic, hydraulic or electric methods to clamp the cover plate, and the use cost of hydraulic and electric methods is relatively high, and the subsequent maintenance cost is high, which reduces the practicality of the clamping and fixing mechanism. For this reason, we propose a cover plate clamping and fixing mechanism. Utility Model Content

[0005] The purpose of the utility model is to provide a cover plate clamping and fixing mechanism to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned invention object, the utility model provides the following technical solutions:

[0007] The present application is specifically as follows: a cover plate clamping and fixing mechanism, comprising: an operating table, wherein two sides of the top of the operating table are slidably connected with fixing plates for limiting the cover plate, and the top of the fixing plate is provided with a clamping assembly for longitudinally clamping the cover plate; two sides of the top of the operating table are close to each other, and the inner cavity of the sliding groove is rotatably connected with a rotating rod on two sides away from each other, one end of the rotating rod passes through the side wall of the sliding groove and extends to one side of the operating table, the outer side wall of the rotating rod is fixedly connected with a first gear on two sides away from each other, and the outer side wall of the rotating rod is fixedly connected with a second gear on a side away from the operating table, a driving assembly for driving the rotating rod to rotate is provided on the operating table, and a transmission assembly for transmitting two sets of second gears is provided on the side of the operating table close to the second gear.

[0008] As a preferred technical solution of the present application, the clamping assembly includes a clamping plate, the top of the fixed plate is fixedly connected with guide rods on two sides away from each other, the clamping plate is slidably connected between the two groups of guide rods, and the top of the fixed plate is rotatably connected with a threaded rod for threadedly connecting the clamping plate.

[0009] As a preferred technical solution of the present application, the driving assembly includes a connecting rod and a mounting frame, the connecting rod is fixedly connected to one end of the rotating rod, the mounting frame is fixedly connected to one side of the operating table, the connecting rod is rotatably connected to the inner cavity of the mounting frame, and a driving member is arranged in the mounting frame.

[0010] As a preferred technical solution of the present application, the driving member includes a worm wheel and a worm, the worm wheel is fixedly connected to the outer side wall of the connecting rod, and the worm is rotatably connected between the inner side walls of the mounting frame and meshed with the worm wheel.

[0011] As a preferred technical solution of the present application, the transmission assembly includes two groups of first tooth plates, which are slidably connected to the side of the operating table close to the second gear and mesh with the second gear. A connecting block is fixed between the two groups of first tooth plates.

[0012] As a preferred technical solution of the present application, two sets of second tooth plates are fixedly connected to the bottom of the fixed plate, and the second tooth plates are slidably connected to the inner cavity of the slide groove and meshed with the first gear.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the scheme of this application:

[0015] 1. The second gear and the rotating rod are driven to rotate by the driving assembly. Since the second gear is meshed with the second toothed plate, the two groups of second toothed plates are connected by a connecting block. Therefore, when one group of first toothed plates rotates, the first toothed plate is driven to move horizontally, and the second gear and the rotating rod of the other group are driven to rotate in the opposite direction by the first toothed plate, so that the two groups of first gears can rotate relative to each other. The second toothed plate is driven to slide in the slide groove by the relative rotation of the first gear, and the fixed plate and the clamping plate are driven to move relative horizontally, so as to clamp the cover plate, thereby avoiding the use of pneumatic, hydraulic or electric methods to clamp the cover plate, reducing the use cost and improving the practicality of the clamping and fixing mechanism.

[0016] 2. The worm is arranged to drive the worm wheel and the connecting rod to rotate, and the connecting rod drives the rotating rod and the first gear to rotate. The worm can drive the worm wheel to rotate, but the worm wheel cannot drive the worm to rotate, so that the rotating rod is self-locking, thereby facilitating the clamping and fixing of the cover plate, and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0018] In the attached picture:

[0019] Figure 1 A three-dimensional diagram of a cover plate clamping and fixing mechanism provided in the present application;

[0020] Figure 2 A partially disassembled schematic diagram of a cover plate clamping and fixing mechanism provided in the present application;

[0021] Figure 3 A schematic diagram of a fixing plate structure of a cover plate clamping and fixing mechanism provided in the present application.

[0022] In the figure: 100, operating table; 110, slide; 120, rotating rod; 121, first gear; 122, second gear; 130, connecting rod; 131, worm gear; 140, mounting frame; 141, worm; 150, first tooth plate; 151, connecting block; 200, fixing plate; 210, second tooth plate; 220, guide rod; 230, clamping plate; 240, threaded rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3 A cover plate clamping and fixing mechanism comprises: an operating table 100, two sides of the top of the operating table 100 are slidably connected with a fixing plate 200 for limiting the cover plate, and a clamping assembly for longitudinally clamping the cover plate is arranged on the top of the fixing plate 200; two sides of the top of the operating table 100 are close to each other and a slide groove 110 is provided, and the slide groove 110 facilitates the movement of the fixing plate 200, and the inner cavity of the slide groove 110 is rotatably connected with a rotating rod 120 on two sides away from each other, and the rotating rod 120 is used to drive the first gear 121 to rotate, and one end of the rotating rod 120 passes through the side wall of the slide groove 110, The first gear 121 is fixedly connected to the two sides of the outer wall of the rotating rod 120 away from each other. The first gear 121 is used to drive the fixed plate 200 to move through the second rack. The outer wall of the rotating rod 120 is fixedly connected to the side away from the operating platform 100 with a second gear 122. The second gear 122 is transmitted through the first toothed plate 150. A driving assembly for driving the rotating rod 120 to rotate is provided on the operating platform 100, and a transmission assembly for transmitting two groups of second gears 122 is provided on the side of the operating platform 100 close to the second gear 122.

[0025] See also Figure 1 and Figure 3 The clamping assembly includes a clamping plate 230, and the two sides of the top of the fixed plate 200 are fixedly connected with guide rods 220. The clamping plate 230 is slidably connected between the two groups of guide rods 220. The top of the fixed plate 200 is rotatably connected with a threaded rod 240 for threadedly connecting the clamping plate 230. The rotation of the threaded rod 240 drives the clamping plate 230 to slide longitudinally on the guide rod 220.

[0026] See also Figure 1 and Figure 2 The driving assembly includes a connecting rod 130 and a mounting bracket 140. The connecting rod 130 is fixedly connected to one end of the rotating rod 120. The mounting bracket 140 is fixedly connected to one side of the operating table 100. The connecting rod 130 is rotatably connected to the inner cavity of the mounting bracket 140. A driving member is provided in the mounting bracket 140, and the connecting rod 130 and the rotating rod 120 are driven to rotate by the driving member.

[0027] See also Figure 1 and Figure 2The driving member includes a worm wheel 131 and a worm 141. The worm wheel 131 is fixedly connected to the outer wall of the connecting rod 130. The worm 141 is rotatably connected between the inner walls of the mounting frame 140 and is meshed with the worm wheel 131. The worm 141 is driven to rotate by setting a turntable, and the worm 141 drives the worm wheel 131 and the connecting rod 130 to rotate.

[0028] See also Figure 1 and Figure 2 The transmission assembly includes two groups of first tooth plates 150, which are slidably connected to one side of the operating table 100 close to the second gear 122 and mesh with the second gear 122. A connecting block 151 is fixedly arranged between the two groups of first tooth plates 150, and one group of second gears 122 drives the other group of second gears 122 and the rotating rod 120 to rotate through the first tooth plates 150.

[0029] See also Figure 1 and Figure 2 Two sets of second tooth plates 210 are fixedly connected to the bottom of the fixed plate 200. The second tooth plates 210 are slidably connected to the inner cavity of the slide groove 110 and are meshed with the first gear 121. The rotation of the first gear 121 drives the second tooth plate 210 to slide in the slide groove 110 and drives the fixed plate 200 to move.

[0030] Specifically, when the present device is in use, the cover plate is first placed on the operating table 100, and then the worm 141 is driven to rotate by setting a turntable, and the worm 141 drives the worm wheel 131 and the connecting rod 130 to rotate, and the connecting rod 130 drives the rotating rod 120 and the second gear 122 to rotate. Since the second gear 122 is meshed with the first tooth plate 150, and the first tooth plate 150 is distributed up and down, the second gear 122 can drive the first tooth plate 150 to move when rotating, and at this time the first tooth plate 150 drives another group of the second gear 122 and the rotating rod 120 to rotate in the opposite direction, so that the two groups of rotating rods 120 rotate relative to each other, and the first gear 121 is driven to rotate relative to each other by the rotating rod 120, and the first gear 121 drives the second tooth plate 210 to slide relatively in the slide groove 110, and drives the fixed plate 200 to move relatively, so as to clamp and fix the cover plate, and finally the clamping plate 230 is driven to move longitudinally by rotating the threaded rod 240, and the longitudinal clamping of the cover plate by the clamping plate 230 is completed.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cover plate clamping and fixing mechanism, characterized in that: include: An operating table (100), wherein two sides of the top of the operating table (100) that are separated from each other are slidably connected with fixing plates (200) for limiting the position of the cover plate, and a clamping assembly for longitudinally clamping the cover plate is arranged on the top of the fixing plate (200); The top of the operating table (100) is provided with sliding grooves (110) on two sides close to each other, and the inner cavity of the sliding groove (110) is rotatably connected with a rotating rod (120) on two sides away from each other. One end of the rotating rod (120) passes through the side wall of the sliding groove (110) and extends to one side of the operating table (100). The outer side wall of the rotating rod (120) is fixedly connected with a first gear (121) on two sides away from each other, and the outer side wall of the rotating rod (120) is fixedly connected with a second gear (122) on a side away from the operating table (100). A driving component for driving the rotating rod (120) to rotate is provided on the operating table (100), and a transmission component for transmitting two sets of second gears (122) is provided on a side of the operating table (100) close to the second gear (122).

2. A cover plate clamping and fixing mechanism according to claim 1, characterized in that: The clamping assembly comprises a clamping plate (230), two sides of the top of the fixed plate (200) are fixedly connected with guide rods (220) away from each other, the clamping plate (230) is slidably connected between the two groups of guide rods (220), and the top of the fixed plate (200) is rotatably connected with a threaded rod (240) for threading the clamping plate (230).

3. The cover plate clamping and fixing mechanism according to claim 1, characterized in that: The driving assembly comprises a connecting rod (130) and a mounting frame (140), wherein the connecting rod (130) is fixedly connected to one end of a rotating rod (120), the mounting frame (140) is fixedly connected to one side of an operating table (100), the connecting rod (130) is rotatably connected to an inner cavity of the mounting frame (140), and a driving member is arranged inside the mounting frame (140).

4. A cover plate clamping and fixing mechanism according to claim 3, characterized in that: The driving member comprises a worm wheel (131) and a worm (141); the worm wheel (131) is fixedly connected to the outer side wall of the connecting rod (130); the worm (141) is rotatably connected between the inner side walls of the mounting frame (140) and is meshed with the worm wheel (131).

5. The cover plate clamping and fixing mechanism according to claim 1, characterized in that: The transmission assembly comprises two groups of first tooth plates (150), the first tooth plates (150) being slidably connected to a side of the operating table (100) close to the second gear (122) and meshing with the second gear (122), and a connecting block (151) being fixedly arranged between the two groups of first tooth plates (150).

6. The cover plate clamping and fixing mechanism according to claim 1, characterized in that: Two groups of second tooth plates (210) are fixedly connected to the bottom of the fixed plate (200); the second tooth plates (210) are slidably connected to the inner cavity of the sliding groove (110) and meshed with the first gear (121).

Images