Lead screw clamping equipment

Abstract

The utility model discloses a lead screw clamping device which comprises a rack, a hydraulic machine, a tool and an electric cabinet. The machine frame comprises a vertical frame, a table top and a positioning tool. The hydraulic machine comprises a clamping connector, a hydraulic machine body, an oil pipe and an oil press. The positioning tool is arranged on the table board and is connected with the table board into a whole through screws; the hydraulic machine body is placed below the table top, the clamping connector is installed at the end of the hydraulic machine body, the oil press is independently installed, and the hydraulic machine body is connected with the oil press through an oil pipe. The electric control box is mounted in the vertical frame; the tool is installed on the table top and connected with the table top into a whole through screws, and the tool, the hydraulic machine body and the oil press are all electrically connected with the electric cabinet. According to the technical scheme, the three positioning blocks are used for holding and positioning to form a circle, the positioning spring plays a role in buffering positioning and protecting the lead screw, the first clamping head is used for clamping in three aspects, the clamping ring is accurately clamped into the clamping groove of the lead screw, and the product requirement is met.

Description

Technical Field

[0001] The utility model relates to a screw rod clamping device. Background Art

[0002] The electric tailgate is driven open or closed by an electric support rod. Fig.10 As shown, the electric support rod includes a nut assembly 31, a bearing 32, a retaining ring 33, and a screw 34. The tailgate is opened or closed by rotating the screw. The screw is long and thin, and is easily deformed during processing and has unstable dimensions.

[0003] How to protect the screw rod from deformation while ensuring the clamping size and facilitating operation is a technical difficulty. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a screw rod clamping device which can protect the screw rod from deformation and is convenient to operate.

[0005] The utility model is realized by the following technical solutions:

[0006] A screw clamping device comprises a frame, a hydraulic press, a tooling and an electric control box; the frame comprises a vertical frame, a table top and a positioning tooling, the hydraulic press comprises a clamping joint, a hydraulic body, an oil pipe and an oil press; the table top is a flat plate, the table top is laid on the vertical frame and is connected to the vertical frame as a whole with screws; the positioning tooling is on the table top and is connected to the table top as a whole with screws; the hydraulic body is placed under the table top, the clamping joint is installed at the end of the hydraulic body, the oil press is installed independently, and the hydraulic body and the oil press are connected by an oil pipe; the electric control box is installed inside the vertical frame; the tooling is installed on the table top and is connected to the table top as a whole with screws, and the tooling, hydraulic body and oil press are all electrically connected to the electric control box.

[0007] Preferably, the tooling includes a mobile positioning tooling, a clamping tooling, a catheter positioning mechanism and a displacement sensor module; the mobile positioning tooling is fixed to the table, the clamping tooling is fixedly connected to the hydraulic body, and the catheter positioning mechanism and the displacement sensor module are both fixedly connected to the hydraulic body.

[0008] Preferably, the movable positioning tooling includes a translation cylinder, a linear bearing, a movable plate, a downward pressure cylinder, a downward pressure positioning block and a cylinder fixing column; the downward pressure positioning block is connected to the downward pressure cylinder through a thread, the downward pressure cylinder is connected to the cylinder fixing column through a screw, the cylinder fixing column is connected to the movable plate through a screw, the movable plate is fixed on the linear bearing through a screw, the linear bearing is fixed to the table top through a screw, the translation cylinder is connected to the movable plate through a screw, and the translation cylinder is fixed to the table top through a screw.

[0009] Preferably, the clamping tooling comprises a first clamping joint, a positioning block and a spring; the positioning block is installed inside the first clamping joint, the spring is installed behind the positioning block, and the first clamping joint is provided with 3 sets.

[0010] Preferably, the catheter positioning mechanism includes a catheter, a positioning pin, a first spring, a copper sleeve, a nut and a screw; the catheter is fixed to the hydraulic body by screws, the first spring is passed through the positioning pin, the positioning pin is fixed to the bottom of the hydraulic body by a nut, and the copper sleeve is embedded in the bottom of the hydraulic body.

[0011] 1. About clamping: clamping is also called crimping, which belongs to the crimping process. Through the process of changing the position of the first clamping joint, the circumference of the workpiece is continuously squeezed to make it plastically deformed. Its advantages are small clamping force and controllable clamping process. Of course, compared with stamping and crimping, clamping takes longer. However, the advantages of the clamping process are: low noise, low equipment power, small dimensional deviation after clamping, no deformation of parts, and flexible rotation of the rotating parts after clamping.

[0012] 2. Common clamping devices include hydraulic clamping devices, pneumatic clamping devices, electric clamping devices, etc. Generally speaking, hydraulic clamping devices are stable, pneumatic clamping devices are fast, and electric clamping devices are portable. This achievement uses hydraulic clamping devices.

[0013] The beneficial effects of the utility model are:

[0014] Advantage 1: The three positioning blocks are tightly positioned to form a circle. The positioning spring buffers the positioning and protects the screw rod. The first clamping joint is clamped in three aspects to accurately clamp the clamping ring into the clamping groove of the screw rod to meet the product requirements.

[0015] The second advantage is that the catheter positioning mechanism contains a spring and a copper sleeve, which provide buffering protection for the product and further reduce the probability of deformation of the screw. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 It is a side view of the utility model;

[0019] Figure 3 It is a structural schematic diagram of tooling 3;

[0020] Figure 4 It is a structural schematic diagram of the mobile positioning tooling;

[0021] Figure 5 This is the main view of the clamping tooling;

[0022] Figure 6 It is a top view of the clamping tooling;

[0023] Figure 7 is a structural schematic diagram of a catheter positioning mechanism;

[0024] Figure 8 is a schematic diagram of the cooperation between the first clamping joint and the lead screw;

[0025] Fig. 9 The figure is a schematic diagram of fixing the lead screw;

[0026] Fig.10 This is the structural diagram of the lead screw. DETAILED DESCRIPTION

[0027] All features disclosed in this specification, or steps in all methods or processes disclosed, except mutually exclusive features and / or steps, can be combined in any manner.

[0028] Any feature disclosed in this specification (including any additional claims, abstract and drawings), unless otherwise stated, may be replaced by other equivalent or alternative features with similar purposes. That is, unless otherwise stated, each feature is only an example of a series of equivalent or similar features.

[0029] In the description of the present invention, it should be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "center", "end", "length", "outer end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In addition, in the description of the present invention, “plurality” means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "set", "socket", "connect", "penetrate", "plug in" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] like Figure 1 and Figure 2 The screw clamping device shown includes a frame 1, a hydraulic press 2, a tool 3 and an electric control box 4; the frame 1 includes a stand 5, a table 6, and a positioning tool 7, and the hydraulic press 2 includes a clamping joint 8, a hydraulic body 9, an oil pipe 10 and an oil press 11; the table 6 is a flat plate, the table 6 is laid on the stand 5, and is connected to the stand 5 as a whole with screws; the positioning tool 7 is above the table 6 and is connected to the table 6 as a whole with screws; the hydraulic body 9 is placed under the table 6, the clamping joint 8 is installed at the end of the hydraulic body 9, the oil press 11 is installed independently, and the hydraulic body 9 and the oil press 11 are connected by an oil pipe 10; the electric control box 4 is installed inside the stand 5; the tool 3 is installed on the table 6, and is connected to the table 6 as a whole with screws, and the tool 3, the hydraulic body 9, and the oil press 11 are all electrically connected to the electric control box 4.

[0033] See also Figure 3 As shown, the tooling 3 includes a mobile positioning tooling 12, a clamping tooling 13, a catheter positioning mechanism 14 and a displacement sensor module 15; the mobile positioning tooling 12 is fixed to the table 6, the clamping tooling 13 is fixedly connected to the hydraulic body 9, and the catheter positioning mechanism 14 and the displacement sensor module 15 are both fixedly connected to the hydraulic body 9.

[0034] See also Figure 4 As shown, the movable positioning tooling 12 includes a translation cylinder 16, a linear bearing 17, a movable plate 18, a pressing cylinder 19, a pressing positioning block 20 and a cylinder fixing column 21; the pressing positioning block 20 is connected to the pressing cylinder 19 by a thread, the pressing cylinder 19 is connected to the cylinder fixing column 21 by a screw, the cylinder fixing column 21 is connected to the moving plate 18 by a screw, the moving plate 18 is fixed on the linear bearing 17 by a screw, the linear bearing 17 is fixed on the table 6 by a screw, the translation cylinder 16 is connected to the moving plate 18 by a screw, and the translation cylinder 16 is fixed to the table 6 by a screw.

[0035] See also Figure 5 and Figure 6As shown, the clamping tool 13 includes a first clamping joint 22, a positioning block 23 and a spring 24; the positioning block 23 is installed inside the first clamping joint 22, and the spring 24 is installed behind the positioning block 23; the first clamping joint 22 is provided with 3 sets.

[0036] See also Figure 7 As shown, the catheter positioning mechanism 14 includes a catheter 25, a positioning pin 26, a first spring 27, a copper sleeve 28, a nut 29 and a screw 30; the catheter 25 is fixed to the hydraulic body 9 by the screw 30, the first spring 27 is passed on the positioning pin 26, the positioning pin 26 is fixed to the bottom of the hydraulic body 9 by the nut 29, and the copper sleeve 28 is embedded in the bottom of the hydraulic body 9.

[0037] See also Figure 8 As shown, there is a notch 35 on the screw rod 34 assembly for positioning, which is held in position by the positioning block 23, and the first clamping joint 22 is clamped with the clamping ring 33 in three aspects.

[0038] See also Fig.10 As shown, the nut assembly 31, the bearing 32, the retaining ring 33, and the screw 34.

[0039] See also Fig. 9 and Fig.10 As shown, the specific operation process of the utility model is as follows:

[0040] 1. Start the equipment and manually place the product 36 to be clamped into the catheter positioning mechanism 14 of the clamp ring clamping equipment.

[0041] 2. Press the start button to start the equipment, the translation cylinder 16 works in place, driving the positioning tooling plate 18 to move forward, and then the downward cylinder 19 presses the product 36 to the clamping position;

[0042] 3. Press the start button again, the hydraulic mechanism starts to drive the three first clamping joints 22 to the set positioning parameter position, and the position data is provided by the displacement sensor module 15;

[0043] 4. After reaching the positioning position, the downward pressure cylinder 19 retracts to its original position, and then the translation cylinder 16 drives the positioning tooling plate 18 to retract to its original position.

[0044] 5. After the translation cylinder 16 reaches the original position, the hydraulic mechanism drives the three first clamping joints 22 to the set clamping parameter position, and the clamping ring is clamped. The position data is provided by the displacement sensor module 15. After the clamping is completed, the hydraulic mechanism returns to the original position, and the internal spring 27 of the catheter positioning mechanism 14 extends, pushing the product 36 to the top of the equipment for easy removal of the product, and the product is manually removed;

[0045] 6. Enter the next cycle and continue to manually place the product in the operating equipment.

[0046] Advantage 1: The three positioning blocks 23 are tightly positioned to form a circle. The positioning spring 24 buffers the positioning and protects the screw rod. The first clamping joint 22 is clamped in three aspects to accurately clamp the clamping ring into the clamping groove of the screw rod to meet the product requirements.

[0047] Advantage 2: The catheter positioning mechanism 14 includes a spring 27 and a copper sleeve 28 therein, which have a buffering and protective effect on the product.

[0048] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. A screw rod clamping device, characterized in that: The invention comprises a frame (1), a hydraulic press (2), a tool (3) and an electric control box (4); the frame (1) comprises a stand (5), a table (6) and a positioning tool (7); the hydraulic press (2) comprises a clamping joint (8), a hydraulic body (9), an oil pipe (10) and an oil press (11); the table (6) is a flat plate, the table (6) is laid on the stand (5) and is connected to the stand (5) by screws; the positioning tool (7) is on the table (6) and is connected to the table (6) by screws. The hydraulic machine body (9) is placed under the table (6), the clamping joint (8) is installed at the end of the hydraulic machine body (9), the oil press (11) is installed independently, and the hydraulic machine body (9) and the oil press (11) are connected by an oil pipe (10); the electric control box (4) is installed inside the stand (5); the tooling (3) is installed on the table (6) and connected to the table (6) by screws, and the tooling (3), the hydraulic machine body (9), and the oil press (11) are all electrically connected to the electric control box (4).

2. The screw rod clamping device according to claim 1, characterized in that: The tooling (3) comprises a movable positioning tooling (12), a clamping tooling (13), a catheter positioning mechanism (14) and a displacement sensor module (15); the movable positioning tooling (12) is fixed to the table (6), the clamping tooling (13) is fixedly connected to the hydraulic body (9), and the catheter positioning mechanism (14) and the displacement sensor module (15) are both fixedly connected to the hydraulic body (9).

3. The screw rod clamping device according to claim 2, characterized in that: The movable positioning tool (12) comprises a translation cylinder (16), a linear bearing (17), a movable plate (18), a downward pressing cylinder (19), a downward pressing positioning block (20) and a cylinder fixing column (21); the downward pressing positioning block (20) is connected to the downward pressing cylinder (19) by means of a thread, the downward pressing cylinder (19) is connected to the cylinder fixing column (21) by means of a screw, the cylinder fixing column (21) is connected to the translation cylinder (16) by means of a screw, the translation cylinder (16) is fixed to the linear bearing (17) by means of a screw, the linear bearing (17) is fixed to the table (6) by means of a screw, the translation cylinder (16) is connected to the translation plate (18) by means of a screw, and the translation cylinder (16) is fixed to the table (6) by means of a screw.

4. The screw rod clamping device according to claim 2, characterized in that: The clamping tool (13) comprises a first clamping joint (22), a positioning block (23) and a spring (24); the positioning block (23) is installed inside the first clamping joint (22), and the spring (24) is installed behind the positioning block (23); the first clamping joint (22) is provided with three sets.

5. The screw rod clamping device according to claim 2, characterized in that: The catheter positioning mechanism (14) comprises a catheter (25), a positioning needle (26), a first spring (27), a copper sleeve (28), a nut (29) and a screw (30); the catheter (25) is fixed to the hydraulic body (9) by means of the screw (30), the first spring (27) is inserted into the positioning needle (26), the positioning needle (26) is fixed to the bottom of the hydraulic body (9) by means of the nut (29), and the copper sleeve (28) is embedded in the bottom of the hydraulic body (9).

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