Pull rod tension strain control system of horizontal extrusion casting machine

Abstract

A pull rod tension strain control system of a horizontal extrusion casting machine comprises a tail plate and a pull rod, one end of the pull rod is installed on the tail plate, the pull rod tension strain control system further comprises a driving device and an adjusting piece which are arranged on the tail plate, the driving device is in driving connection with the adjusting piece, the adjusting piece is sleeved on the pull rod, and a strain sensor used for detecting strain capacity of the pull rod is arranged on the pull rod. The driving device drives the adjusting piece to rotate, and the adjusting piece adjusts the dependent variable of the pull rod when rotating. The driving device comprises a driver and a transmission assembly, the driver is in driving connection with the transmission assembly, and the transmission assembly is in transmission connection with the adjusting parts. The driving device and the adjusting piece are arranged on the tail plate, the strain sensor used for detecting the strain capacity of the pull rod is arranged on the pull rod, when the tail plate is adjusted, the strain capacity of the pull rod is detected through the strain sensor, then the strain capacity of the pull rod is adjusted through the driving device and the adjusting piece, and movement of the tail plate is controlled. The dependent variable of the pull rod is kept in a reasonable range, and the mold locking effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of squeeze casting machines, and particularly relates to a tension strain control system for tie rods of a horizontal squeeze casting machine. Background Art

[0002] When a traditional horizontal squeeze casting machine closes the mold, the tail plate needs to be adjusted to adapt to different thickness molds. Specifically, the tail plate and the middle plate move axially under the drive of the mold adjustment mechanism to adjust the final distance between the tail plate, the middle plate and the head plate. Tie rods are arranged between the tail plate and the head plate. When the tail plate is adjusted, the tie rods will be subjected to the pulling force of the tail plate and thus deform. However, the deformation of the tie rods needs to be within a reasonable range, that is, the strain of the tie rods cannot exceed a certain value. If it exceeds a certain value, the mold clamping effect will be affected. Therefore, how to control the strain of the tie rods is the problem to be solved in this solution.

[0003] Therefore, it is necessary to make further improvements. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a tension strain control system for tie rods of a horizontal squeeze casting machine with simple structure, stable and reliable performance, convenient adjustment, good mold clamping effect and strong practicability, so as to overcome the deficiencies of the prior art.

[0005] A tension strain control system for tie rods of a horizontal squeeze casting machine designed according to this purpose includes a tail plate and tie rods. One end of the tie rods is installed on the tail plate. Its characteristics are that: it also includes a driving device and an adjusting part arranged on the tail plate. The driving device is drivingly connected to the adjusting part. The adjusting part is sleeved on the tie rods. A strain sensor for detecting the strain of the tie rods is arranged on the tie rods. The driving device drives the adjusting part to rotate, and when the adjusting part rotates, it adjusts the strain of the tie rods.

[0006] The driving device includes a driver and a transmission component. The driver is drivingly connected to the transmission component, and the transmission component is respectively drivingly connected to each adjusting part.

[0007] The transmission component includes a driving gear and a transmission gear. A mating tooth is arranged on the outside of the adjusting part. The driver is drivingly connected to the driving gear. The driving gear meshes with the transmission gear, and the transmission gear meshes with each adjusting part through the mating tooth respectively.

[0008] A first thread part is arranged on the inner side of the adjusting part, and a second thread part is arranged on the outside of one end of the tie rods. The adjusting part and the tie rods are in threaded adjustment cooperation through the first thread part and the second thread part.

[0009] It also includes a control device. The control device is electrically connected to the strain sensor and the driver respectively. The control device controls the operation of the driver according to the strain detected by the strain sensor.

[0010] It further includes a middle plate and a head plate. The other end of the pull rod is installed on the head plate. The middle plate is located between the head plate and the tail plate. The pull rod passes through the middle plate, and the middle plate and the tail plate are connected by a machine hinge.

[0011] An adjusting fitting is arranged on the head plate. The adjusting fitting is sleeved on the other end of the pull rod. A third thread part is arranged on the inner side of the adjusting fitting, and a fourth thread part is arranged on the outer side of the other end of the pull rod. The adjusting fitting and the pull rod are in threaded adjustment cooperation through the third thread part and the fourth thread part.

[0012] A protective cover is arranged on one side of the tail plate. An accommodation cavity is formed between the tail plate and the protective cover, and the driving gear is installed in the accommodation cavity.

[0013] A plurality of pressing plates are distributed on one side of the tail plate. An accommodation position is formed between the tail plate and the pressing plates, and the pressing plates press the adjusting part in the accommodation position.

[0014] A notch is arranged on the protective cover. The notch communicates with the accommodation cavity, and the driver and the driving gear are installed on the notch.

[0015] In the utility model, by arranging a driving device and an adjusting part on the tail plate, and arranging a strain sensor for detecting the strain of the pull rod on the pull rod, when the tail plate is adjusted, the strain of the pull rod is detected by the strain sensor, and then the strain of the pull rod is adjusted by the driving device and the adjusting part, and the movement of the tail plate is controlled, so that the strain of the pull rod is kept within a reasonable range, that is, it will not exceed a certain value, improving the mold clamping effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view of the tensile strain control system in an embodiment of the utility model.

[0017] Figure 2 It is a schematic diagram of the overall structure of the tensile strain control system in an embodiment of the utility model.

[0018] Figure 3 It is a schematic diagram of a partial structure of the tensile strain control system in an embodiment of the utility model.

[0019] Figure 4 It is a cross-sectional view of the tensile strain control system in an embodiment of the utility model.

[0020] Figure 5 It is Figure 4 an enlarged schematic diagram of the structure at A in

[0021] Figure 6 It is a disassembled schematic diagram of the pull rod, the adjusting part and the adjusting fitting in an embodiment of the utility model.

[0022] Figure 7 It is a partial structure cross-sectional view of the tensile strain control system in an embodiment of the utility model.

[0023] Figure 8 This is a schematic diagram of the overall structure of the tail plate part in an embodiment of the present utility model. Specific implementation manner

[0024] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0025] See Figures 1-8 , in the tension strain control system of the tie rod of this horizontal squeeze casting machine, it includes a tail plate 1 and a tie rod 2. One end of the tie rod 2 is installed on the tail plate 1. It also includes a driving device a and an adjusting member 3 provided on the tail plate 1. The driving device a is drivingly connected to the adjusting member 3. The adjusting member 3 is sleeved on one end of the tie rod 2. A strain sensor 4 for detecting the strain of the tie rod 2 is provided on the tie rod 2. The driving device a drives the adjusting member 3 to rotate, and when the adjusting member 3 rotates, it adjusts the strain of the tie rod 2.

[0026] The driving device a includes a driver 8 and a transmission component. The driver 8 is drivingly connected to the transmission component. The transmission component is respectively drivingly connected to each adjusting member 3. The driver 8 is a hydraulic motor (oil motor).

[0027] The transmission component includes a driving gear 5 and a transmission gear 6. A mating tooth 7 is provided on the outside of the adjusting member 3. The driver 8 is drivingly connected to the driving gear 5. The driving gear 5 meshes with the transmission gear 6. The transmission gear 6 meshes with each adjusting member 3 through the mating tooth 7 respectively. The driver 8 drives the driving gear 5 to rotate, thereby driving the transmission gear 6 to rotate, and the transmission gear 6 drives each adjusting member 3 to rotate.

[0028] A first thread portion is provided on the inner side of the adjusting member 3, and a second thread portion is provided on the outside of one end of the tie rod 2. The adjusting member 3 and the tie rod 2 are threadedly adjusted and matched through the first thread portion and the second thread portion. Thus, when the adjusting member 3 rotates, the strain of the tie rod 2 can be adjusted; the adjusting member 3 is an adjusting nut.

[0029] It further includes a control device. The control device is electrically connected to the strain sensor 4 and the driver 8 respectively. The strain sensor 4 sends the detected strain of the tie rod 2 to the control device. The control device controls the operation of the driver 8 according to the strain detected by the strain sensor 4, thereby adjusting the strain of the tie rod; the control device is a control circuit board.

[0030] It further includes an intermediate plate 9 and a head plate 10. The other end of the tie rod 2 is installed on the head plate 10. The intermediate plate 9 is located between the head plate 10 and the tail plate 1. The tie rod 2 passes through the intermediate plate 9. The intermediate plate 9 and the tail plate 1 are connected by a machine hinge 11. When the tail plate 1 moves and adjusts, it drives the intermediate plate 9 to move through the machine hinge 11.

[0031] A clamping cylinder 18 is provided on the tail plate 1. The clamping cylinder 18 is drivingly connected to the toggle 11. The clamping cylinder 18 drives the middle plate 9 to move through the toggle 11 to achieve mold clamping and mold opening.

[0032] An adjusting fitting 12 is provided on the front plate 10. The adjusting fitting 12 is sleeved on the other end of the tie rod 2. A third thread portion is provided on the inner side of the adjusting fitting 12, and a fourth thread portion is provided on the outer side of the other end of the tie rod 2. The adjusting fitting 12 and the tie rod 2 are threadedly adjusted and matched through the third thread portion and the fourth thread portion. When the strain of the tie rod 2 is adjusted, the adjusting fitting 12 rotates accordingly, making the adjustment of the tie rod 2 more stable; the adjusting fitting 12 is a nut.

[0033] A shield 13 is provided on one side of the tail plate 1. An accommodation cavity 14 is formed between the tail plate 1 and the shield 13. The driving gear 5 is installed in the accommodation cavity 14, making the structure of the tail plate 1 part more compact.

[0034] A number of pressure plates 15 are distributed on one side of the tail plate 1. An accommodation position 16 is formed between the tail plate 1 and the pressure plates 15. When the pressure plates 15 are fixed on the tail plate 1, the pressure plates 15 press the adjusting member 3 in the accommodation position 16, also making the structure of the tail plate 1 part more compact.

[0035] A notch 17 is provided on the shield 13. The notch 17 communicates with the accommodation cavity 14. The driver 8 and the driving gear 5 are installed on the notch 17. The driver 8 is fixed on the tail plate 1, and the driving gear 5 is rotatably installed on the tail plate 1.

[0036] The above is the preferred solution of the present invention, showing and describing the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A tie rod tension strain control system for a horizontal squeeze casting machine, comprising a tail plate (1) and a tie rod (2), wherein one end of the tie rod (2) is mounted on the tail plate (1), and is characterized in that: The invention also comprises a driving device (a) and an adjusting member (3) arranged on the tail plate (1), wherein the driving device (a) drives the adjusting member (3), the adjusting member (3) is sleeved on the pull rod (2), the pull rod (2) is provided with a strain sensor (4) for detecting the strain amount of the pull rod (2), the driving device (a) drives the adjusting member (3) to rotate, and the adjusting member (3) adjusts the strain amount of the pull rod (2) when rotating.

2. The tie rod tension strain control system of the horizontal squeeze casting machine according to claim 1, characterized in that: The driving device (a) comprises a driver (8) and a transmission assembly, wherein the driver (8) is drivingly connected to the transmission assembly, and the transmission assembly is drivingly connected to each adjusting member (3) respectively.

3. The tie rod tension strain control system of the horizontal squeeze casting machine according to claim 2, characterized in that: The transmission assembly comprises a driving gear (5) and a transmission gear (6); a matching tooth (7) is arranged on the outer side of the adjusting member (3); a driver (8) drives and connects the driving gear (5); the driving gear (5) and the transmission gear (6) are meshed with each other; and the transmission gear (6) is respectively meshed with each adjusting member (3) through the matching tooth (7).

4. The tie rod tension strain control system of the horizontal squeeze casting machine according to claim 3, characterized in that: A first threaded portion is provided on the inner side of the adjusting member (3), and a second threaded portion is provided on the outer side of one end of the pull rod (2). The adjusting member (3) and the pull rod (2) are thread-adjustably matched via the first threaded portion and the second threaded portion.

5. The tie rod tension strain control system of the horizontal squeeze casting machine according to claim 3, characterized in that: It also includes a control device, which is electrically connected to the strain sensor (4) and the driver (8) respectively, and controls the operation of the driver (8) according to the amount of strain detected by the strain sensor (4).

6. The tie rod tension strain control system of the horizontal squeeze casting machine according to claim 4, characterized in that: It also includes a middle plate (9) and a head plate (10), the other end of the pull rod (2) is mounted on the head plate (10), the middle plate (9) is located between the head plate (10) and the tail plate (1), the pull rod (2) is passed through the middle plate (9), and the middle plate (9) and the tail plate (1) are connected via a hinge (11).

7. The tie rod tension strain control system of the horizontal squeeze casting machine according to claim 6, characterized in that: An adjusting fitting (12) is provided on the head plate (10), the adjusting fitting (12) is sleeved on the other end of the pull rod (2), a third threaded portion is provided on the inner side of the adjusting fitting (12), a fourth threaded portion is provided on the outer side of the other end of the pull rod (2), and the adjusting fitting (12) and the pull rod (2) are thread-adjustably matched via the third threaded portion and the fourth threaded portion.

8. The tie rod tension strain control system of a horizontal squeeze casting machine according to claim 3, characterized in that: A shield (13) is provided on one side of the tail plate (1), a receiving chamber (14) is formed between the tail plate (1) and the shield (13), and the driving gear (5) is installed in the receiving chamber (14).

9. The tie rod tension strain control system of the horizontal squeeze casting machine according to claim 8, characterized in that: A plurality of pressing plates (15) are distributed on one side of the tail plate (1), and a receiving position (16) is formed between the tail plate (1) and the pressing plate (15). The pressing plate (15) presses the adjusting member (3) onto the receiving position (16).

10. The tie rod tension strain control system of the horizontal squeeze casting machine according to claim 9, characterized in that: A notch (17) is provided on the shield (13), the notch (17) is in communication with the accommodating chamber (14), and the driver (8) and the driving gear (5) are mounted on the notch (17).

Images