Simple clamping device for screw connection

Abstract

The simple clamping device comprises a lead screw motor assembly, a jaw assembly and a limiting assembly, the lead screw motor assembly is horizontally arranged and comprises a motor base, a coupler, a lead screw, an installation platform and a supporting base, the installation platform is arranged between the motor base and the supporting base, and the jaw assembly is arranged on the motor base. The coupler is arranged in the motor base, one end of the lead screw is connected with the coupler, the other end of the lead screw is connected with the supporting base, the jaw assembly comprises a movable jaw and a fixed jaw, and the fixed jaw is fixed to a mounting platform on one side of the supporting base. The movable jaw is arranged on a base of the fixed jaw in a sliding mode, the bottom of the movable jaw is correspondingly connected with a lead screw nut on the lead screw, and the limiting assembly is arranged on the side edge of the jaw assembly. According to the utility model, more reliable connection and installation are ensured, the installation efficiency and the accuracy of installation and positioning are greatly improved, the structural design is reasonable, the screw hole fixing device is suitable for installation of screw holes of different specifications, and installation, maintenance and use are convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the installation and assembly field, especially relate to a kind of simple clamping device for screw connection between guide rail and hole site of plate. BACKGROUND

[0002] In batch production or large-scale assembly operation, the speed of manual screw connection is relatively slow, and the positioning and clamping are unreliable, which is difficult to meet the needs of efficient production, thereby increasing production cost and production cycle, and reducing the market competitiveness of enterprises. UTILITY MODEL CONTENT

[0003] The utility model mainly solves the technical problem to provide a kind of simple clamping device for screw connection, guarantee that the screw connection between plate and guide rail is more reliable, greatly improve screw installation efficiency and the accuracy of installation positioning, and the structure design is reasonable, suitable for the installation of different specifications screw hole, clamping is reliable, easy to install and maintain, convenient to use.

[0004] To solve the above technical problems, one technical scheme of the utility model is provided: provide a kind of simple clamping device for screw connection, including screw rod motor assembly, jaw assembly and limiting assembly, the screw rod motor assembly is horizontally arranged, including motor base, shaft coupling, screw rod, installation platform and support base, the installation platform is arranged between the motor base and support base, the shaft coupling is arranged in motor base, one end of the screw rod is connected with the shaft coupling, the other end is connected with the support base, the jaw assembly includes movable jaw and fixed jaw, the fixed jaw is fixed on the installation platform on the one side of support base, the movable jaw is slidably arranged on the base of fixed jaw and the bottom is connected with the screw nut on the screw rod, the limiting assembly is arranged on the side of jaw assembly.

[0005] In a preferred embodiment of the utility model, the jaw assembly further includes movable quick-change clamp and fixed quick-change clamp.

[0006] In a preferred embodiment of the utility model, the movable quick-change clamp is bonded on the top of movable jaw installation side, and the fixed quick-change clamp is bonded on the top of fixed jaw installation side.

[0007] In a preferred embodiment of the utility model, the movable quick-change clamp or fixed quick-change clamp is further provided with a plurality of quick-change chuck inserts at intervals on the connecting side.

[0008] In a preferred embodiment of the utility model, the limiting assembly includes air pump, telescopic air cylinder, guide plate, slide bar, acrylic plate, connecting plate and pin.

[0009] In a preferred embodiment of the utility model, the air pump is arranged in front of the fixed jaw, the telescopic air cylinder is obliquely fixed on the top of the air pump and parallel to the front side of the fixed jaw, the guide plate is parallel to the front side of the fixed jaw and is fixed on the fixed jaw through the locking piece, the guide plate is provided with a 7-shaped guide groove on the mounting side of the fixed jaw, the driving end of the telescopic air cylinder is correspondingly connected with the sliding rod arranged in the guide groove, the driving end of the telescopic air cylinder is further connected with the connecting plate parallel to the front side of the fixed jaw, and the connecting plate is fixed with the acrylic plate through the pin on one side of the fixed jaw.

[0010] The utility model discloses a simple and easy clamping device for screw connection, which guarantees the screw connection and installation between the plate and the guide rail to be more reliable, greatly improves the screw installation work efficiency and the accuracy of installation positioning, and is reasonable in structure design, suitable for the installation of screw holes of different specifications, reliable in clamping, convenient to install and maintain, and convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor, wherein:

[0012] Fig. 1 It is a perspective view of a preferred embodiment of the simple and easy clamping device for screw connection of the utility model;

[0013] Fig. 2 It is a front view of a preferred embodiment of the simple and easy clamping device for screw connection of the utility model;

[0014] Fig. 3 It is a top view of a preferred embodiment of the simple and easy clamping device for screw connection of the utility model. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be clearly and completely described as follows, obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0016] Please refer to Figs. 1-3 The utility model embodiment includes:

[0017] A simple clamping device for screw connection, comprising a screw rod 3 motor assembly, a jaw assembly and a limiting assembly.

[0018] The screw rod 3 motor assembly is horizontally arranged and comprises a motor base 1, a shaft coupling 2, a screw rod 3, a mounting platform 4 and a support base 5.

[0019] The mounting platform 4 is arranged between the motor base 1 and the support base 5, the shaft coupling 2 is arranged in the motor base 1, one end of the screw rod 3 is connected with the shaft coupling 2 and the other end is connected with the support base 5, and the motor is arranged to drive the shaft coupling 2 to rotate the screw rod 3.

[0020] The jaw assembly comprises a movable jaw 6, a fixed jaw 7, a movable quick-change clamp 8, a fixed quick-change clamp 9 and a quick-change clamp insert 10.

[0021] The fixed jaw 7 is fixed on the mounting platform 4 on one side of the support base 5, the movable jaw 6 is slidingly arranged on the base of the fixed jaw 7 and the bottom is connected with the screw rod nut on the screw rod 3, the movable jaw 6 is driven by the screw rod nut to approach or move away from the fixed jaw 7, and the opening and closing of the jaws are stable and accurate.

[0022] The movable quick-change clamp 8 is bonded to the top of the mounting side of the movable jaw 6, the fixed quick-change clamp 9 is bonded to the top of the mounting side of the fixed jaw 7, and the movable quick-change clamp 8 or the fixed quick-change clamp 9 is further provided with a plurality of quick-change clamp inserts 10 at intervals on the connecting side, the material of the movable quick-change clamp 8 and the fixed quick-change clamp 9 is polyurethane, the quick-change clamp insert 10 is provided in a hollow cylindrical structure for quick positioning and guiding of the screw 17, and the movable quick-change clamp 8, the fixed quick-change clamp 9 and the quick-change clamp insert 10 can be matched according to different specifications of the screw 17 and are convenient to replace after wear.

[0023] The limiting assembly is arranged on the side of the jaw assembly and is used for limiting the front side of the guide rail 18 in the jaw, comprising a gas pump 11, a telescopic air cylinder 12, a guide plate 13, a slide rod 14, an acrylic plate 15, a connecting plate 16 and a pin 17.

[0024] The gas pump 11 is arranged on the front side of the fixed jaw 7, the telescopic air cylinder 12 is obliquely fixed on the top of the gas pump 11 and is parallel to the front side of the fixed jaw 7, the gas pump 11 is used for supplying air to the telescopic air cylinder 12, and the telescopic air cylinder 12 is used for providing driving force for the movement of the limiting structure.

[0025] The guide plate 13 is parallel to the front side of the fixed jaw 7 and is fixed on the fixed jaw 7 through a locking part 18, the guide plate 13 is provided with a 7-shaped guide groove 19 on the mounting side of the fixed jaw 7, the driving end of the telescopic air cylinder 12 is correspondingly connected with a sliding rod 14 which is slidingly arranged in the guide groove 19, the driving end of the telescopic air cylinder 12 is also connected with a connecting plate 16 which is parallel to the front side of the fixed jaw 7, the connecting plate 16 is fixed with an acrylic plate 15 through a pin 17 on one side of the fixed jaw 7, and the acrylic plate 15 is driven by the telescopic air cylinder 12 to move to a required limiting position on the front side of the jaw.

[0026] Before work, the jaw is opened by a certain distance (slightly larger than the width of the guide rail 21 and the mounting plate 22), the guide rail 21 is put into the jaw from the rear side of the device, at this time, the telescopic air cylinder 12 in the limiting assembly is located at the leftmost high position to ensure that the acrylic plate 15 limits the movement of the guide rail 21 in the front and rear directions, the mounting plate 22 is placed above the guide rail 21 from the rear side, and the hole positions are aligned. After the mounting plate 22 and the guide rail 21 are placed, the motor drives the movable jaw 6 to move close to the fixed jaw 7, and when the movable jaw 6 is moved to an appropriate distance (slightly larger than the size of the screw cap of the screw 20), the screw 20 is put into the quick-change chuck insert 10, the motor continues to drive the movable jaw 6 to further reduce the distance between the movable jaw 6 and the fixed jaw 7, until the screw 20 is clamped, at this time, the screw 20 is manually tightened, after the screw 20 is tightened and installed, the telescopic air cylinder 12 moves backward and downward along the sliding groove track to move away the limiting baffle assembly, and after the movable jaw 6 and the fixed jaw 7 are separated, the connected guide rail 21 and mounting plate 22 are taken out from the side, and the above steps are repeated.

[0027] In summary, the simple clamping device for screw connection provided by the utility model ensures that the screw connection and installation between the plate and the guide rail are more reliable, greatly improves the screw installation work efficiency and the accuracy of installation positioning, and has reasonable structure design, is suitable for installation of screw holes of different specifications, is reliable in clamping, is convenient to install and maintain, and is convenient to use.

[0028] The above description is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A simple clamping device for screw connections, characterized in that The utility model provides a horizontal setting screw rod motor assembly, including motor base, shaft coupling, screw rod, installation platform and support base, installation platform is arranged between motor base and support base, shaft coupling is arranged in motor base, one end of screw rod is connected with shaft coupling, the other end is connected with support base, the utility model provides a pair of pincers, including movable pincers and fixed pincers, fixed pincers are fixed on the installation platform of support base one side, movable pincers are slidably arranged on the base of fixed pincers and are connected with screw rod nut on the bottom, the utility model provides a limiting assembly, which is arranged on the side of the pincers assembly.

2. The simple clamping device for screw connections according to claim 1, characterized in that The pincers assembly further comprises a movable quick-change clamp and a fixed quick-change clamp.

3. The simple clamping device for screw connections according to claim 2, characterized in that The movable quick-change clamp is bonded to the top of the movable pincers installation side, and the fixed quick-change clamp is bonded to the top of the fixed pincers installation side.

4. The simple clamping device for screw connections according to claim 3, characterized in that The movable quick-change clamp or the fixed quick-change clamp is further provided with a plurality of quick-change chuck inserts at intervals on the connecting side.

5. The simple clamping device for screw connections according to claim 1, characterized in that The limiting assembly comprises an air pump, a telescopic air cylinder, a guide plate, a sliding rod, an acrylic plate, a connecting plate and a pin.

6. The simple clamping device for screw connections according to claim 5, characterized in that The air pump is arranged on the front side of the fixed pincers, the telescopic air cylinder is inclined and fixed on the top of the air pump and parallel to the front side of the fixed pincers, the guide plate is parallel to the front side of the fixed pincers and is fixed on the fixed pincers by a locking member, the guide plate is provided with a 7-shaped guide groove on the installation side of the fixed pincers, the driving end of the telescopic air cylinder is connected with the sliding rod slidably arranged in the guide groove, the driving end of the telescopic air cylinder is further connected with the connecting plate parallel to the front side of the fixed pincers, and the connecting plate is fixed with the acrylic plate on one side of the fixed pincers by the pin.

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